py3: add a __str__ method to Abort

This improves the rendering of some exceptions by avoiding raw
bytestrings, especially when using --traceback option.

mercurial/error.py

@@ -1,430 +1,433 b''
 # error.py - Mercurial exceptions
 #
 # Copyright 2005-2008 Matt Mackall <[e-mail]>
 #
 # This software may be used and distributed according to the terms of the
 # GNU General Public License version 2 or any later version.
 
 """Mercurial exceptions.
 
 This allows us to catch exceptions at higher levels without forcing
 imports.
 """
 
 from __future__ import absolute_import
 
 # Do not import anything but pycompat here, please
 from . import pycompat
 
 
 def _tobytes(exc):
     """Byte-stringify exception in the same way as BaseException_str()"""
     if not exc.args:
         return b''
     if len(exc.args) == 1:
         return pycompat.bytestr(exc.args[0])
     return b'(%s)' % b', '.join(b"'%s'" % pycompat.bytestr(a) for a in exc.args)
 
 
 class Hint(object):
     """Mix-in to provide a hint of an error
 
     This should come first in the inheritance list to consume a hint and
     pass remaining arguments to the exception class.
     """
 
     def __init__(self, *args, **kw):
         self.hint = kw.pop(r'hint', None)
         super(Hint, self).__init__(*args, **kw)
 
 
 class StorageError(Hint, Exception):
     """Raised when an error occurs in a storage layer.
 
     Usually subclassed by a storage-specific exception.
     """
 
     __bytes__ = _tobytes
 
 
 class RevlogError(StorageError):
     __bytes__ = _tobytes
 
 
 class SidedataHashError(RevlogError):
     def __init__(self, key, expected, got):
         self.sidedatakey = key
         self.expecteddigest = expected
         self.actualdigest = got
 
 
 class FilteredIndexError(IndexError):
     __bytes__ = _tobytes
 
 
 class LookupError(RevlogError, KeyError):
     def __init__(self, name, index, message):
         self.name = name
         self.index = index
         # this can't be called 'message' because at least some installs of
         # Python 2.6+ complain about the 'message' property being deprecated
         self.lookupmessage = message
         if isinstance(name, bytes) and len(name) == 20:
             from .node import short
 
             name = short(name)
         RevlogError.__init__(self, b'%s@%s: %s' % (index, name, message))
 
     def __bytes__(self):
         return RevlogError.__bytes__(self)
 
     def __str__(self):
         return RevlogError.__str__(self)
 
 
 class AmbiguousPrefixLookupError(LookupError):
     pass
 
 
 class FilteredLookupError(LookupError):
     pass
 
 
 class ManifestLookupError(LookupError):
     pass
 
 
 class CommandError(Exception):
     """Exception raised on errors in parsing the command line."""
 
     __bytes__ = _tobytes
 
 
 class InterventionRequired(Hint, Exception):
     """Exception raised when a command requires human intervention."""
 
     __bytes__ = _tobytes
 
 
 class Abort(Hint, Exception):
     """Raised if a command needs to print an error and exit."""
 
     __bytes__ = _tobytes
 
+    def __str__(self):
+        return pycompat.sysstr(self.__bytes__())
+
 
 class HookLoadError(Abort):
     """raised when loading a hook fails, aborting an operation
 
     Exists to allow more specialized catching."""
 
 
 class HookAbort(Abort):
     """raised when a validation hook fails, aborting an operation
 
     Exists to allow more specialized catching."""
 
 
 class ConfigError(Abort):
     """Exception raised when parsing config files"""
 
 
 class UpdateAbort(Abort):
     """Raised when an update is aborted for destination issue"""
 
 
 class MergeDestAbort(Abort):
     """Raised when an update is aborted for destination issues"""
 
 
 class NoMergeDestAbort(MergeDestAbort):
     """Raised when an update is aborted because there is nothing to merge"""
 
 
 class ManyMergeDestAbort(MergeDestAbort):
     """Raised when an update is aborted because destination is ambiguous"""
 
 
 class ResponseExpected(Abort):
     """Raised when an EOF is received for a prompt"""
 
     def __init__(self):
         from .i18n import _
 
         Abort.__init__(self, _(b'response expected'))
 
 
 class OutOfBandError(Hint, Exception):
     """Exception raised when a remote repo reports failure"""
 
     __bytes__ = _tobytes
 
 
 class ParseError(Hint, Exception):
     """Raised when parsing config files and {rev,file}sets (msg[, pos])"""
 
     __bytes__ = _tobytes
 
 
 class PatchError(Exception):
     __bytes__ = _tobytes
 
 
 class UnknownIdentifier(ParseError):
     """Exception raised when a {rev,file}set references an unknown identifier"""
 
     def __init__(self, function, symbols):
         from .i18n import _
 
         ParseError.__init__(self, _(b"unknown identifier: %s") % function)
         self.function = function
         self.symbols = symbols
 
 
 class RepoError(Hint, Exception):
     __bytes__ = _tobytes
 
 
 class RepoLookupError(RepoError):
     pass
 
 
 class FilteredRepoLookupError(RepoLookupError):
     pass
 
 
 class CapabilityError(RepoError):
     pass
 
 
 class RequirementError(RepoError):
     """Exception raised if .hg/requires has an unknown entry."""
 
 
 class StdioError(IOError):
     """Raised if I/O to stdout or stderr fails"""
 
     def __init__(self, err):
         IOError.__init__(self, err.errno, err.strerror)
 
     # no __bytes__() because error message is derived from the standard IOError
 
 
 class UnsupportedMergeRecords(Abort):
     def __init__(self, recordtypes):
         from .i18n import _
 
         self.recordtypes = sorted(recordtypes)
         s = b' '.join(self.recordtypes)
         Abort.__init__(
             self,
             _(b'unsupported merge state records: %s') % s,
             hint=_(
                 b'see https://mercurial-scm.org/wiki/MergeStateRecords for '
                 b'more information'
             ),
         )
 
 
 class UnknownVersion(Abort):
     """generic exception for aborting from an encounter with an unknown version
     """
 
     def __init__(self, msg, hint=None, version=None):
         self.version = version
         super(UnknownVersion, self).__init__(msg, hint=hint)
 
 
 class LockError(IOError):
     def __init__(self, errno, strerror, filename, desc):
         IOError.__init__(self, errno, strerror, filename)
         self.desc = desc
 
     # no __bytes__() because error message is derived from the standard IOError
 
 
 class LockHeld(LockError):
     def __init__(self, errno, filename, desc, locker):
         LockError.__init__(self, errno, b'Lock held', filename, desc)
         self.locker = locker
 
 
 class LockUnavailable(LockError):
     pass
 
 
 # LockError is for errors while acquiring the lock -- this is unrelated
 class LockInheritanceContractViolation(RuntimeError):
     __bytes__ = _tobytes
 
 
 class ResponseError(Exception):
     """Raised to print an error with part of output and exit."""
 
     __bytes__ = _tobytes
 
 
 class UnknownCommand(Exception):
     """Exception raised if command is not in the command table."""
 
     __bytes__ = _tobytes
 
 
 class AmbiguousCommand(Exception):
     """Exception raised if command shortcut matches more than one command."""
 
     __bytes__ = _tobytes
 
 
 # derived from KeyboardInterrupt to simplify some breakout code
 class SignalInterrupt(KeyboardInterrupt):
     """Exception raised on SIGTERM and SIGHUP."""
 
 
 class SignatureError(Exception):
     __bytes__ = _tobytes
 
 
 class PushRaced(RuntimeError):
     """An exception raised during unbundling that indicate a push race"""
 
     __bytes__ = _tobytes
 
 
 class ProgrammingError(Hint, RuntimeError):
     """Raised if a mercurial (core or extension) developer made a mistake"""
 
     def __init__(self, msg, *args, **kwargs):
         # On Python 3, turn the message back into a string since this is
         # an internal-only error that won't be printed except in a
         # stack traces.
         msg = pycompat.sysstr(msg)
         super(ProgrammingError, self).__init__(msg, *args, **kwargs)
 
     __bytes__ = _tobytes
 
 
 class WdirUnsupported(Exception):
     """An exception which is raised when 'wdir()' is not supported"""
 
     __bytes__ = _tobytes
 
 
 # bundle2 related errors
 class BundleValueError(ValueError):
     """error raised when bundle2 cannot be processed"""
 
     __bytes__ = _tobytes
 
 
 class BundleUnknownFeatureError(BundleValueError):
     def __init__(self, parttype=None, params=(), values=()):
         self.parttype = parttype
         self.params = params
         self.values = values
         if self.parttype is None:
             msg = b'Stream Parameter'
         else:
             msg = parttype
         entries = self.params
         if self.params and self.values:
             assert len(self.params) == len(self.values)
             entries = []
             for idx, par in enumerate(self.params):
                 val = self.values[idx]
                 if val is None:
                     entries.append(val)
                 else:
                     entries.append(b"%s=%r" % (par, pycompat.maybebytestr(val)))
         if entries:
             msg = b'%s - %s' % (msg, b', '.join(entries))
         ValueError.__init__(self, msg)
 
 
 class ReadOnlyPartError(RuntimeError):
     """error raised when code tries to alter a part being generated"""
 
     __bytes__ = _tobytes
 
 
 class PushkeyFailed(Abort):
     """error raised when a pushkey part failed to update a value"""
 
     def __init__(
         self, partid, namespace=None, key=None, new=None, old=None, ret=None
     ):
         self.partid = partid
         self.namespace = namespace
         self.key = key
         self.new = new
         self.old = old
         self.ret = ret
         # no i18n expected to be processed into a better message
         Abort.__init__(
             self, b'failed to update value for "%s/%s"' % (namespace, key)
         )
 
 
 class CensoredNodeError(StorageError):
     """error raised when content verification fails on a censored node
 
     Also contains the tombstone data substituted for the uncensored data.
     """
 
     def __init__(self, filename, node, tombstone):
         from .node import short
 
         StorageError.__init__(self, b'%s:%s' % (filename, short(node)))
         self.tombstone = tombstone
 
 
 class CensoredBaseError(StorageError):
     """error raised when a delta is rejected because its base is censored
 
     A delta based on a censored revision must be formed as single patch
     operation which replaces the entire base with new content. This ensures
     the delta may be applied by clones which have not censored the base.
     """
 
 
 class InvalidBundleSpecification(Exception):
     """error raised when a bundle specification is invalid.
 
     This is used for syntax errors as opposed to support errors.
     """
 
     __bytes__ = _tobytes
 
 
 class UnsupportedBundleSpecification(Exception):
     """error raised when a bundle specification is not supported."""
 
     __bytes__ = _tobytes
 
 
 class CorruptedState(Exception):
     """error raised when a command is not able to read its state from file"""
 
     __bytes__ = _tobytes
 
 
 class PeerTransportError(Abort):
     """Transport-level I/O error when communicating with a peer repo."""
 
 
 class InMemoryMergeConflictsError(Exception):
     """Exception raised when merge conflicts arose during an in-memory merge."""
 
     __bytes__ = _tobytes
 
 
 class WireprotoCommandError(Exception):
     """Represents an error during execution of a wire protocol command.
 
     Should only be thrown by wire protocol version 2 commands.
 
     The error is a formatter string and an optional iterable of arguments.
     """
 
     def __init__(self, message, args=None):
         self.message = message
         self.messageargs = args

tests/test-flagprocessor.t

@@ -1,304 +1,304 b''
 # Create server
   $ hg init server
   $ cd server
   $ cat >> .hg/hgrc << EOF
   > [extensions]
   > extension=$TESTDIR/flagprocessorext.py
   > EOF
   $ cd ../
 
 # Clone server and enable extensions
   $ hg clone -q server client
   $ cd client
   $ cat >> .hg/hgrc << EOF
   > [extensions]
   > extension=$TESTDIR/flagprocessorext.py
   > EOF
 
 # Commit file that will trigger the noop extension
   $ echo '[NOOP]' > noop
   $ hg commit -Aqm "noop"
 
 # Commit file that will trigger the base64 extension
   $ echo '[BASE64]' > base64
   $ hg commit -Aqm 'base64'
 
 # Commit file that will trigger the gzip extension
   $ echo '[GZIP]' > gzip
   $ hg commit -Aqm 'gzip'
 
 # Commit file that will trigger noop and base64
   $ echo '[NOOP][BASE64]' > noop-base64
   $ hg commit -Aqm 'noop+base64'
 
 # Commit file that will trigger noop and gzip
   $ echo '[NOOP][GZIP]' > noop-gzip
   $ hg commit -Aqm 'noop+gzip'
 
 # Commit file that will trigger base64 and gzip
   $ echo '[BASE64][GZIP]' > base64-gzip
   $ hg commit -Aqm 'base64+gzip'
 
 # Commit file that will trigger base64, gzip and noop
   $ echo '[BASE64][GZIP][NOOP]' > base64-gzip-noop
   $ hg commit -Aqm 'base64+gzip+noop'
 
 # TEST: ensure the revision data is consistent
   $ hg cat noop
   [NOOP]
   $ hg debugdata noop 0
   [NOOP]
 
   $ hg cat -r . base64
   [BASE64]
   $ hg debugdata base64 0
   W0JBU0U2NF0K (no-eol)
 
   $ hg cat -r . gzip
   [GZIP]
   $ hg debugdata gzip 0
   x\x9c\x8bv\x8f\xf2\x0c\x88\xe5\x02\x00\x08\xc8\x01\xfd (no-eol) (esc)
 
   $ hg cat -r . noop-base64
   [NOOP][BASE64]
   $ hg debugdata noop-base64 0
   W05PT1BdW0JBU0U2NF0K (no-eol)
 
   $ hg cat -r . noop-gzip
   [NOOP][GZIP]
   $ hg debugdata noop-gzip 0
   x\x9c\x8b\xf6\xf3\xf7\x0f\x88\x8dv\x8f\xf2\x0c\x88\xe5\x02\x00\x1dH\x03\xf1 (no-eol) (esc)
 
   $ hg cat -r . base64-gzip
   [BASE64][GZIP]
   $ hg debugdata base64-gzip 0
   eJyLdnIMdjUziY12j/IMiOUCACLBBDo= (no-eol)
 
   $ hg cat -r . base64-gzip-noop
   [BASE64][GZIP][NOOP]
   $ hg debugdata base64-gzip-noop 0
   eJyLdnIMdjUziY12j/IMiI328/cPiOUCAESjBi4= (no-eol)
 
 # Push to the server
   $ hg push
   pushing to $TESTTMP/server
   searching for changes
   adding changesets
   adding manifests
   adding file changes
   added 7 changesets with 7 changes to 7 files
 
 Ensure the data got to the server OK
 
   $ cd ../server
   $ hg cat -r 6e48f4215d24 noop
   [NOOP]
   $ hg debugdata noop 0
   [NOOP]
 
   $ hg cat -r 6e48f4215d24 base64
   [BASE64]
   $ hg debugdata base64 0
   W0JBU0U2NF0K (no-eol)
 
   $ hg cat -r 6e48f4215d24 gzip
   [GZIP]
   $ hg debugdata gzip 0
   x\x9c\x8bv\x8f\xf2\x0c\x88\xe5\x02\x00\x08\xc8\x01\xfd (no-eol) (esc)
 
   $ hg cat -r 6e48f4215d24 noop-base64
   [NOOP][BASE64]
   $ hg debugdata noop-base64 0
   W05PT1BdW0JBU0U2NF0K (no-eol)
 
   $ hg cat -r 6e48f4215d24 noop-gzip
   [NOOP][GZIP]
   $ hg debugdata noop-gzip 0
   x\x9c\x8b\xf6\xf3\xf7\x0f\x88\x8dv\x8f\xf2\x0c\x88\xe5\x02\x00\x1dH\x03\xf1 (no-eol) (esc)
 
   $ hg cat -r 6e48f4215d24 base64-gzip
   [BASE64][GZIP]
   $ hg debugdata base64-gzip 0
   eJyLdnIMdjUziY12j/IMiOUCACLBBDo= (no-eol)
 
   $ hg cat -r 6e48f4215d24 base64-gzip-noop
   [BASE64][GZIP][NOOP]
   $ hg debugdata base64-gzip-noop 0
   eJyLdnIMdjUziY12j/IMiI328/cPiOUCAESjBi4= (no-eol)
 
 # Initialize new client (not cloning) and setup extension
   $ cd ..
   $ hg init client2
   $ cd client2
   $ cat >> .hg/hgrc << EOF
   > [paths]
   > default = $TESTTMP/server
   > [extensions]
   > extension=$TESTDIR/flagprocessorext.py
   > EOF
 
 # Pull from server and update to latest revision
   $ hg pull default
   pulling from $TESTTMP/server
   requesting all changes
   adding changesets
   adding manifests
   adding file changes
   added 7 changesets with 7 changes to 7 files
   new changesets 07b1b9442c5b:6e48f4215d24
   (run 'hg update' to get a working copy)
   $ hg update
   7 files updated, 0 files merged, 0 files removed, 0 files unresolved
 
 # TEST: ensure the revision data is consistent
   $ hg cat noop
   [NOOP]
   $ hg debugdata noop 0
   [NOOP]
 
   $ hg cat -r . base64
   [BASE64]
   $ hg debugdata base64 0
   W0JBU0U2NF0K (no-eol)
 
   $ hg cat -r . gzip
   [GZIP]
   $ hg debugdata gzip 0
   x\x9c\x8bv\x8f\xf2\x0c\x88\xe5\x02\x00\x08\xc8\x01\xfd (no-eol) (esc)
 
   $ hg cat -r . noop-base64
   [NOOP][BASE64]
   $ hg debugdata noop-base64 0
   W05PT1BdW0JBU0U2NF0K (no-eol)
 
   $ hg cat -r . noop-gzip
   [NOOP][GZIP]
   $ hg debugdata noop-gzip 0
   x\x9c\x8b\xf6\xf3\xf7\x0f\x88\x8dv\x8f\xf2\x0c\x88\xe5\x02\x00\x1dH\x03\xf1 (no-eol) (esc)
 
   $ hg cat -r . base64-gzip
   [BASE64][GZIP]
   $ hg debugdata base64-gzip 0
   eJyLdnIMdjUziY12j/IMiOUCACLBBDo= (no-eol)
 
   $ hg cat -r . base64-gzip-noop
   [BASE64][GZIP][NOOP]
   $ hg debugdata base64-gzip-noop 0
   eJyLdnIMdjUziY12j/IMiI328/cPiOUCAESjBi4= (no-eol)
 
 # TEST: ensure a missing processor is handled
   $ echo '[FAIL][BASE64][GZIP][NOOP]' > fail-base64-gzip-noop
   $ hg commit -Aqm 'fail+base64+gzip+noop'
   abort: missing processor for flag '0x1'!
   [255]
   $ rm fail-base64-gzip-noop
 
 # TEST: ensure we cannot register several flag processors on the same flag
   $ cat >> .hg/hgrc << EOF
   > [extensions]
   > extension=$TESTDIR/flagprocessorext.py
   > duplicate=$TESTDIR/flagprocessorext.py
   > EOF
   $ hg debugrebuilddirstate
   Traceback (most recent call last):
     File "*/mercurial/extensions.py", line *, in _runextsetup (glob)
       extsetup(ui)
     File "*/tests/flagprocessorext.py", line *, in extsetup (glob)
       REVIDX_NOOP, (noopdonothingread, noopdonothing, validatehash,)
     File "*/mercurial/revlogutils/flagutil.py", line *, in addflagprocessor (glob)
       insertflagprocessor(flag, processor, flagprocessors)
     File "*/mercurial/revlogutils/flagutil.py", line *, in insertflagprocessor (glob)
       raise error.Abort(msg)
-  mercurial.error.Abort: b"cannot register multiple processors on flag '0x8'." (py3 !)
+  mercurial.error.Abort: cannot register multiple processors on flag '0x8'. (py3 !)
   Abort: cannot register multiple processors on flag '0x8'. (no-py3 !)
   *** failed to set up extension duplicate: cannot register multiple processors on flag '0x8'.
   $ hg st 2>&1 | egrep 'cannot register multiple processors|flagprocessorext'
     File "*/tests/flagprocessorext.py", line *, in extsetup (glob)
-  mercurial.error.Abort: b"cannot register multiple processors on flag '0x8'." (py3 !)
+  mercurial.error.Abort: cannot register multiple processors on flag '0x8'. (py3 !)
   Abort: cannot register multiple processors on flag '0x8'. (no-py3 !)
   *** failed to set up extension duplicate: cannot register multiple processors on flag '0x8'.
     File "*/tests/flagprocessorext.py", line *, in b64decode (glob)
 
   $ cd ..
 
 # TEST: bundle repo
   $ hg init bundletest
   $ cd bundletest
 
   $ cat >> .hg/hgrc << EOF
   > [extensions]
   > flagprocessor=$TESTDIR/flagprocessorext.py
   > EOF
 
   $ for i in 0 single two three 4; do
   >   echo '[BASE64]a-bit-longer-'$i > base64
   >   hg commit -m base64-$i -A base64
   > done
 
   $ hg update 2 -q
   $ echo '[BASE64]a-bit-longer-branching' > base64
   $ hg commit -q -m branching
 
 #if repobundlerepo
   $ hg bundle --base 1 bundle.hg
   4 changesets found
   $ hg --config extensions.strip= strip -r 2 --no-backup --force -q
   $ hg -R bundle.hg log --stat -T '{rev} {desc}\n' base64
   5 branching
    base64 |  2 +-
    1 files changed, 1 insertions(+), 1 deletions(-)
   
   4 base64-4
    base64 |  2 +-
    1 files changed, 1 insertions(+), 1 deletions(-)
   
   3 base64-three
    base64 |  2 +-
    1 files changed, 1 insertions(+), 1 deletions(-)
   
   2 base64-two
    base64 |  2 +-
    1 files changed, 1 insertions(+), 1 deletions(-)
   
   1 base64-single
    base64 |  2 +-
    1 files changed, 1 insertions(+), 1 deletions(-)
   
   0 base64-0
    base64 |  1 +
    1 files changed, 1 insertions(+), 0 deletions(-)
   
 
   $ hg bundle -R bundle.hg --base 1 bundle-again.hg -q
   $ hg -R bundle-again.hg log --stat -T '{rev} {desc}\n' base64
   5 branching
    base64 |  2 +-
    1 files changed, 1 insertions(+), 1 deletions(-)
   
   4 base64-4
    base64 |  2 +-
    1 files changed, 1 insertions(+), 1 deletions(-)
   
   3 base64-three
    base64 |  2 +-
    1 files changed, 1 insertions(+), 1 deletions(-)
   
   2 base64-two
    base64 |  2 +-
    1 files changed, 1 insertions(+), 1 deletions(-)
   
   1 base64-single
    base64 |  2 +-
    1 files changed, 1 insertions(+), 1 deletions(-)
   
   0 base64-0
    base64 |  1 +
    1 files changed, 1 insertions(+), 0 deletions(-)
   
   $ rm bundle.hg bundle-again.hg
 #endif
 
 # TEST: hg status
 
   $ hg status
   $ hg diff

tests/test-hook.t

@@ -1,1390 +1,1390 b''
 commit hooks can see env vars
 (and post-transaction one are run unlocked)
 
 
   $ cat > $TESTTMP/txnabort.checkargs.py <<EOF
   > from mercurial import pycompat
   > def showargs(ui, repo, hooktype, **kwargs):
   >     kwargs = pycompat.byteskwargs(kwargs)
   >     ui.write(b'%s Python hook: %s\n' % (hooktype,
   >                                         b','.join(sorted(kwargs))))
   > EOF
 
   $ hg init a
   $ cd a
   $ cat > .hg/hgrc <<EOF
   > [hooks]
   > commit = sh -c "HG_LOCAL= HG_TAG= printenv.py --line commit"
   > commit.b = sh -c "HG_LOCAL= HG_TAG= printenv.py --line commit.b"
   > precommit = sh -c  "HG_LOCAL= HG_NODE= HG_TAG= printenv.py --line precommit"
   > pretxncommit = sh -c "HG_LOCAL= HG_TAG= printenv.py --line pretxncommit"
   > pretxncommit.tip = hg -q tip
   > pre-identify = sh -c "printenv.py --line pre-identify 1"
   > pre-cat = sh -c "printenv.py --line pre-cat"
   > post-cat = sh -c "printenv.py --line post-cat"
   > pretxnopen = sh -c "HG_LOCAL= HG_TAG= printenv.py --line pretxnopen"
   > pretxnclose = sh -c "HG_LOCAL= HG_TAG= printenv.py --line pretxnclose"
   > txnclose = sh -c "HG_LOCAL= HG_TAG= printenv.py --line txnclose"
   > txnabort.0 = python:$TESTTMP/txnabort.checkargs.py:showargs
   > txnabort.1 = sh -c "HG_LOCAL= HG_TAG= printenv.py --line txnabort"
   > txnclose.checklock = sh -c "hg debuglock > /dev/null"
   > EOF
   $ echo a > a
   $ hg add a
   $ hg commit -m a
   precommit hook: HG_HOOKNAME=precommit
   HG_HOOKTYPE=precommit
   HG_PARENT1=0000000000000000000000000000000000000000
   
   pretxnopen hook: HG_HOOKNAME=pretxnopen
   HG_HOOKTYPE=pretxnopen
   HG_TXNID=TXN:$ID$
   HG_TXNNAME=commit
   
   pretxncommit hook: HG_HOOKNAME=pretxncommit
   HG_HOOKTYPE=pretxncommit
   HG_NODE=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b
   HG_PARENT1=0000000000000000000000000000000000000000
   HG_PENDING=$TESTTMP/a
   
   0:cb9a9f314b8b
   pretxnclose hook: HG_HOOKNAME=pretxnclose
   HG_HOOKTYPE=pretxnclose
   HG_PENDING=$TESTTMP/a
   HG_PHASES_MOVED=1
   HG_TXNID=TXN:$ID$
   HG_TXNNAME=commit
   
   txnclose hook: HG_HOOKNAME=txnclose
   HG_HOOKTYPE=txnclose
   HG_PHASES_MOVED=1
   HG_TXNID=TXN:$ID$
   HG_TXNNAME=commit
   
   commit hook: HG_HOOKNAME=commit
   HG_HOOKTYPE=commit
   HG_NODE=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b
   HG_PARENT1=0000000000000000000000000000000000000000
   
   commit.b hook: HG_HOOKNAME=commit.b
   HG_HOOKTYPE=commit
   HG_NODE=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b
   HG_PARENT1=0000000000000000000000000000000000000000
   
 
   $ hg clone . ../b
   updating to branch default
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ cd ../b
 
 changegroup hooks can see env vars
 
   $ cat > .hg/hgrc <<EOF
   > [hooks]
   > prechangegroup = sh -c "printenv.py --line prechangegroup"
   > changegroup = sh -c "printenv.py --line changegroup"
   > incoming = sh -c "printenv.py --line incoming"
   > EOF
 
 pretxncommit and commit hooks can see both parents of merge
 
   $ cd ../a
   $ echo b >> a
   $ hg commit -m a1 -d "1 0"
   precommit hook: HG_HOOKNAME=precommit
   HG_HOOKTYPE=precommit
   HG_PARENT1=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b
   
   pretxnopen hook: HG_HOOKNAME=pretxnopen
   HG_HOOKTYPE=pretxnopen
   HG_TXNID=TXN:$ID$
   HG_TXNNAME=commit
   
   pretxncommit hook: HG_HOOKNAME=pretxncommit
   HG_HOOKTYPE=pretxncommit
   HG_NODE=ab228980c14deea8b9555d91c9581127383e40fd
   HG_PARENT1=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b
   HG_PENDING=$TESTTMP/a
   
   1:ab228980c14d
   pretxnclose hook: HG_HOOKNAME=pretxnclose
   HG_HOOKTYPE=pretxnclose
   HG_PENDING=$TESTTMP/a
   HG_TXNID=TXN:$ID$
   HG_TXNNAME=commit
   
   txnclose hook: HG_HOOKNAME=txnclose
   HG_HOOKTYPE=txnclose
   HG_TXNID=TXN:$ID$
   HG_TXNNAME=commit
   
   commit hook: HG_HOOKNAME=commit
   HG_HOOKTYPE=commit
   HG_NODE=ab228980c14deea8b9555d91c9581127383e40fd
   HG_PARENT1=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b
   
   commit.b hook: HG_HOOKNAME=commit.b
   HG_HOOKTYPE=commit
   HG_NODE=ab228980c14deea8b9555d91c9581127383e40fd
   HG_PARENT1=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b
   
   $ hg update -C 0
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ echo b > b
   $ hg add b
   $ hg commit -m b -d '1 0'
   precommit hook: HG_HOOKNAME=precommit
   HG_HOOKTYPE=precommit
   HG_PARENT1=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b
   
   pretxnopen hook: HG_HOOKNAME=pretxnopen
   HG_HOOKTYPE=pretxnopen
   HG_TXNID=TXN:$ID$
   HG_TXNNAME=commit
   
   pretxncommit hook: HG_HOOKNAME=pretxncommit
   HG_HOOKTYPE=pretxncommit
   HG_NODE=ee9deb46ab31e4cc3310f3cf0c3d668e4d8fffc2
   HG_PARENT1=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b
   HG_PENDING=$TESTTMP/a
   
   2:ee9deb46ab31
   pretxnclose hook: HG_HOOKNAME=pretxnclose
   HG_HOOKTYPE=pretxnclose
   HG_PENDING=$TESTTMP/a
   HG_TXNID=TXN:$ID$
   HG_TXNNAME=commit
   
   created new head
   txnclose hook: HG_HOOKNAME=txnclose
   HG_HOOKTYPE=txnclose
   HG_TXNID=TXN:$ID$
   HG_TXNNAME=commit
   
   commit hook: HG_HOOKNAME=commit
   HG_HOOKTYPE=commit
   HG_NODE=ee9deb46ab31e4cc3310f3cf0c3d668e4d8fffc2
   HG_PARENT1=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b
   
   commit.b hook: HG_HOOKNAME=commit.b
   HG_HOOKTYPE=commit
   HG_NODE=ee9deb46ab31e4cc3310f3cf0c3d668e4d8fffc2
   HG_PARENT1=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b
   
   $ hg merge 1
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   (branch merge, don't forget to commit)
   $ hg commit -m merge -d '2 0'
   precommit hook: HG_HOOKNAME=precommit
   HG_HOOKTYPE=precommit
   HG_PARENT1=ee9deb46ab31e4cc3310f3cf0c3d668e4d8fffc2
   HG_PARENT2=ab228980c14deea8b9555d91c9581127383e40fd
   
   pretxnopen hook: HG_HOOKNAME=pretxnopen
   HG_HOOKTYPE=pretxnopen
   HG_TXNID=TXN:$ID$
   HG_TXNNAME=commit
   
   pretxncommit hook: HG_HOOKNAME=pretxncommit
   HG_HOOKTYPE=pretxncommit
   HG_NODE=07f3376c1e655977439df2a814e3cc14b27abac2
   HG_PARENT1=ee9deb46ab31e4cc3310f3cf0c3d668e4d8fffc2
   HG_PARENT2=ab228980c14deea8b9555d91c9581127383e40fd
   HG_PENDING=$TESTTMP/a
   
   3:07f3376c1e65
   pretxnclose hook: HG_HOOKNAME=pretxnclose
   HG_HOOKTYPE=pretxnclose
   HG_PENDING=$TESTTMP/a
   HG_TXNID=TXN:$ID$
   HG_TXNNAME=commit
   
   txnclose hook: HG_HOOKNAME=txnclose
   HG_HOOKTYPE=txnclose
   HG_TXNID=TXN:$ID$
   HG_TXNNAME=commit
   
   commit hook: HG_HOOKNAME=commit
   HG_HOOKTYPE=commit
   HG_NODE=07f3376c1e655977439df2a814e3cc14b27abac2
   HG_PARENT1=ee9deb46ab31e4cc3310f3cf0c3d668e4d8fffc2
   HG_PARENT2=ab228980c14deea8b9555d91c9581127383e40fd
   
   commit.b hook: HG_HOOKNAME=commit.b
   HG_HOOKTYPE=commit
   HG_NODE=07f3376c1e655977439df2a814e3cc14b27abac2
   HG_PARENT1=ee9deb46ab31e4cc3310f3cf0c3d668e4d8fffc2
   HG_PARENT2=ab228980c14deea8b9555d91c9581127383e40fd
   
 
 test generic hooks
 
   $ hg id
   pre-identify hook: HG_ARGS=id
   HG_HOOKNAME=pre-identify
   HG_HOOKTYPE=pre-identify
   HG_OPTS={'bookmarks': None, 'branch': None, 'id': None, 'insecure': None, 'num': None, 'remotecmd': '', 'rev': '', 'ssh': '', 'tags': None, 'template': ''}
   HG_PATS=[]
   
   abort: pre-identify hook exited with status 1
   [255]
   $ hg cat b
   pre-cat hook: HG_ARGS=cat b
   HG_HOOKNAME=pre-cat
   HG_HOOKTYPE=pre-cat
   HG_OPTS={'decode': None, 'exclude': [], 'include': [], 'output': '', 'rev': '', 'template': ''}
   HG_PATS=['b']
   
   b
   post-cat hook: HG_ARGS=cat b
   HG_HOOKNAME=post-cat
   HG_HOOKTYPE=post-cat
   HG_OPTS={'decode': None, 'exclude': [], 'include': [], 'output': '', 'rev': '', 'template': ''}
   HG_PATS=['b']
   HG_RESULT=0
   
 
   $ cd ../b
   $ hg pull ../a
   pulling from ../a
   searching for changes
   prechangegroup hook: HG_HOOKNAME=prechangegroup
   HG_HOOKTYPE=prechangegroup
   HG_SOURCE=pull
   HG_TXNID=TXN:$ID$
   HG_TXNNAME=pull
   file:/*/$TESTTMP/a (glob)
   HG_URL=file:$TESTTMP/a
   
   adding changesets
   adding manifests
   adding file changes
   added 3 changesets with 2 changes to 2 files
   new changesets ab228980c14d:07f3376c1e65
   changegroup hook: HG_HOOKNAME=changegroup
   HG_HOOKTYPE=changegroup
   HG_NODE=ab228980c14deea8b9555d91c9581127383e40fd
   HG_NODE_LAST=07f3376c1e655977439df2a814e3cc14b27abac2
   HG_SOURCE=pull
   HG_TXNID=TXN:$ID$
   HG_TXNNAME=pull
   file:/*/$TESTTMP/a (glob)
   HG_URL=file:$TESTTMP/a
   
   incoming hook: HG_HOOKNAME=incoming
   HG_HOOKTYPE=incoming
   HG_NODE=ab228980c14deea8b9555d91c9581127383e40fd
   HG_SOURCE=pull
   HG_TXNID=TXN:$ID$
   HG_TXNNAME=pull
   file:/*/$TESTTMP/a (glob)
   HG_URL=file:$TESTTMP/a
   
   incoming hook: HG_HOOKNAME=incoming
   HG_HOOKTYPE=incoming
   HG_NODE=ee9deb46ab31e4cc3310f3cf0c3d668e4d8fffc2
   HG_SOURCE=pull
   HG_TXNID=TXN:$ID$
   HG_TXNNAME=pull
   file:/*/$TESTTMP/a (glob)
   HG_URL=file:$TESTTMP/a
   
   incoming hook: HG_HOOKNAME=incoming
   HG_HOOKTYPE=incoming
   HG_NODE=07f3376c1e655977439df2a814e3cc14b27abac2
   HG_SOURCE=pull
   HG_TXNID=TXN:$ID$
   HG_TXNNAME=pull
   file:/*/$TESTTMP/a (glob)
   HG_URL=file:$TESTTMP/a
   
   (run 'hg update' to get a working copy)
 
 tag hooks can see env vars
 
   $ cd ../a
   $ cat >> .hg/hgrc <<EOF
   > pretag = sh -c "printenv.py --line pretag"
   > tag = sh -c "HG_PARENT1= HG_PARENT2= printenv.py --line tag"
   > EOF
   $ hg tag -d '3 0' a
   pretag hook: HG_HOOKNAME=pretag
   HG_HOOKTYPE=pretag
   HG_LOCAL=0
   HG_NODE=07f3376c1e655977439df2a814e3cc14b27abac2
   HG_TAG=a
   
   precommit hook: HG_HOOKNAME=precommit
   HG_HOOKTYPE=precommit
   HG_PARENT1=07f3376c1e655977439df2a814e3cc14b27abac2
   
   pretxnopen hook: HG_HOOKNAME=pretxnopen
   HG_HOOKTYPE=pretxnopen
   HG_TXNID=TXN:$ID$
   HG_TXNNAME=commit
   
   pretxncommit hook: HG_HOOKNAME=pretxncommit
   HG_HOOKTYPE=pretxncommit
   HG_NODE=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10
   HG_PARENT1=07f3376c1e655977439df2a814e3cc14b27abac2
   HG_PENDING=$TESTTMP/a
   
   4:539e4b31b6dc
   pretxnclose hook: HG_HOOKNAME=pretxnclose
   HG_HOOKTYPE=pretxnclose
   HG_PENDING=$TESTTMP/a
   HG_TXNID=TXN:$ID$
   HG_TXNNAME=commit
   
   tag hook: HG_HOOKNAME=tag
   HG_HOOKTYPE=tag
   HG_LOCAL=0
   HG_NODE=07f3376c1e655977439df2a814e3cc14b27abac2
   HG_TAG=a
   
   txnclose hook: HG_HOOKNAME=txnclose
   HG_HOOKTYPE=txnclose
   HG_TXNID=TXN:$ID$
   HG_TXNNAME=commit
   
   commit hook: HG_HOOKNAME=commit
   HG_HOOKTYPE=commit
   HG_NODE=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10
   HG_PARENT1=07f3376c1e655977439df2a814e3cc14b27abac2
   
   commit.b hook: HG_HOOKNAME=commit.b
   HG_HOOKTYPE=commit
   HG_NODE=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10
   HG_PARENT1=07f3376c1e655977439df2a814e3cc14b27abac2
   
   $ hg tag -l la
   pretag hook: HG_HOOKNAME=pretag
   HG_HOOKTYPE=pretag
   HG_LOCAL=1
   HG_NODE=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10
   HG_TAG=la
   
   tag hook: HG_HOOKNAME=tag
   HG_HOOKTYPE=tag
   HG_LOCAL=1
   HG_NODE=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10
   HG_TAG=la
   
 
 pretag hook can forbid tagging
 
   $ cat >> .hg/hgrc <<EOF
   > pretag.forbid = sh -c "printenv.py --line pretag.forbid 1"
   > EOF
   $ hg tag -d '4 0' fa
   pretag hook: HG_HOOKNAME=pretag
   HG_HOOKTYPE=pretag
   HG_LOCAL=0
   HG_NODE=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10
   HG_TAG=fa
   
   pretag.forbid hook: HG_HOOKNAME=pretag.forbid
   HG_HOOKTYPE=pretag
   HG_LOCAL=0
   HG_NODE=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10
   HG_TAG=fa
   
   abort: pretag.forbid hook exited with status 1
   [255]
   $ hg tag -l fla
   pretag hook: HG_HOOKNAME=pretag
   HG_HOOKTYPE=pretag
   HG_LOCAL=1
   HG_NODE=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10
   HG_TAG=fla
   
   pretag.forbid hook: HG_HOOKNAME=pretag.forbid
   HG_HOOKTYPE=pretag
   HG_LOCAL=1
   HG_NODE=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10
   HG_TAG=fla
   
   abort: pretag.forbid hook exited with status 1
   [255]
 
 pretxncommit hook can see changeset, can roll back txn, changeset no
 more there after
 
   $ cat >> .hg/hgrc <<EOF
   > pretxncommit.forbid0 = sh -c "hg tip -q"
   > pretxncommit.forbid1 = sh -c "printenv.py --line pretxncommit.forbid 1"
   > EOF
   $ echo z > z
   $ hg add z
   $ hg -q tip
   4:539e4b31b6dc
   $ hg commit -m 'fail' -d '4 0'
   precommit hook: HG_HOOKNAME=precommit
   HG_HOOKTYPE=precommit
   HG_PARENT1=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10
   
   pretxnopen hook: HG_HOOKNAME=pretxnopen
   HG_HOOKTYPE=pretxnopen
   HG_TXNID=TXN:$ID$
   HG_TXNNAME=commit
   
   pretxncommit hook: HG_HOOKNAME=pretxncommit
   HG_HOOKTYPE=pretxncommit
   HG_NODE=6f611f8018c10e827fee6bd2bc807f937e761567
   HG_PARENT1=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10
   HG_PENDING=$TESTTMP/a
   
   5:6f611f8018c1
   5:6f611f8018c1
   pretxncommit.forbid hook: HG_HOOKNAME=pretxncommit.forbid1
   HG_HOOKTYPE=pretxncommit
   HG_NODE=6f611f8018c10e827fee6bd2bc807f937e761567
   HG_PARENT1=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10
   HG_PENDING=$TESTTMP/a
   
   transaction abort!
   txnabort Python hook: txnid,txnname
   txnabort hook: HG_HOOKNAME=txnabort.1
   HG_HOOKTYPE=txnabort
   HG_TXNID=TXN:$ID$
   HG_TXNNAME=commit
   
   rollback completed
   abort: pretxncommit.forbid1 hook exited with status 1
   [255]
   $ hg -q tip
   4:539e4b31b6dc
 
 (Check that no 'changelog.i.a' file were left behind)
 
   $ ls -1 .hg/store/
   00changelog.i
   00manifest.i
   data
   fncache (repofncache !)
   journal.phaseroots
   phaseroots
   undo
   undo.backup.fncache (repofncache !)
   undo.backupfiles
   undo.phaseroots
 
 
 precommit hook can prevent commit
 
   $ cat >> .hg/hgrc <<EOF
   > precommit.forbid = sh -c "printenv.py --line precommit.forbid 1"
   > EOF
   $ hg commit -m 'fail' -d '4 0'
   precommit hook: HG_HOOKNAME=precommit
   HG_HOOKTYPE=precommit
   HG_PARENT1=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10
   
   precommit.forbid hook: HG_HOOKNAME=precommit.forbid
   HG_HOOKTYPE=precommit
   HG_PARENT1=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10
   
   abort: precommit.forbid hook exited with status 1
   [255]
   $ hg -q tip
   4:539e4b31b6dc
 
 preupdate hook can prevent update
 
   $ cat >> .hg/hgrc <<EOF
   > preupdate = sh -c "printenv.py --line preupdate"
   > EOF
   $ hg update 1
   preupdate hook: HG_HOOKNAME=preupdate
   HG_HOOKTYPE=preupdate
   HG_PARENT1=ab228980c14d
   
   0 files updated, 0 files merged, 2 files removed, 0 files unresolved
 
 update hook
 
   $ cat >> .hg/hgrc <<EOF
   > update = sh -c "printenv.py --line update"
   > EOF
   $ hg update
   preupdate hook: HG_HOOKNAME=preupdate
   HG_HOOKTYPE=preupdate
   HG_PARENT1=539e4b31b6dc
   
   update hook: HG_ERROR=0
   HG_HOOKNAME=update
   HG_HOOKTYPE=update
   HG_PARENT1=539e4b31b6dc
   
   2 files updated, 0 files merged, 0 files removed, 0 files unresolved
 
 pushkey hook
 
   $ cat >> .hg/hgrc <<EOF
   > pushkey = sh -c "printenv.py --line pushkey"
   > EOF
   $ cd ../b
   $ hg bookmark -r null foo
   $ hg push -B foo ../a
   pushing to ../a
   searching for changes
   no changes found
   pretxnopen hook: HG_HOOKNAME=pretxnopen
   HG_HOOKTYPE=pretxnopen
   HG_TXNID=TXN:$ID$
   HG_TXNNAME=push
   
   pretxnclose hook: HG_BOOKMARK_MOVED=1
   HG_BUNDLE2=1
   HG_HOOKNAME=pretxnclose
   HG_HOOKTYPE=pretxnclose
   HG_PENDING=$TESTTMP/a
   HG_SOURCE=push
   HG_TXNID=TXN:$ID$
   HG_TXNNAME=push
   HG_URL=file:$TESTTMP/a
   
   pushkey hook: HG_BUNDLE2=1
   HG_HOOKNAME=pushkey
   HG_HOOKTYPE=pushkey
   HG_KEY=foo
   HG_NAMESPACE=bookmarks
   HG_NEW=0000000000000000000000000000000000000000
   HG_PUSHKEYCOMPAT=1
   HG_SOURCE=push
   HG_TXNID=TXN:$ID$
   HG_TXNNAME=push
   HG_URL=file:$TESTTMP/a
   
   txnclose hook: HG_BOOKMARK_MOVED=1
   HG_BUNDLE2=1
   HG_HOOKNAME=txnclose
   HG_HOOKTYPE=txnclose
   HG_SOURCE=push
   HG_TXNID=TXN:$ID$
   HG_TXNNAME=push
   HG_URL=file:$TESTTMP/a
   
   exporting bookmark foo
   [1]
   $ cd ../a
 
 listkeys hook
 
   $ cat >> .hg/hgrc <<EOF
   > listkeys = sh -c "printenv.py --line listkeys"
   > EOF
   $ hg bookmark -r null bar
   pretxnopen hook: HG_HOOKNAME=pretxnopen
   HG_HOOKTYPE=pretxnopen
   HG_TXNID=TXN:$ID$
   HG_TXNNAME=bookmark
   
   pretxnclose hook: HG_BOOKMARK_MOVED=1
   HG_HOOKNAME=pretxnclose
   HG_HOOKTYPE=pretxnclose
   HG_PENDING=$TESTTMP/a
   HG_TXNID=TXN:$ID$
   HG_TXNNAME=bookmark
   
   txnclose hook: HG_BOOKMARK_MOVED=1
   HG_HOOKNAME=txnclose
   HG_HOOKTYPE=txnclose
   HG_TXNID=TXN:$ID$
   HG_TXNNAME=bookmark
   
   $ cd ../b
   $ hg pull -B bar ../a
   pulling from ../a
   listkeys hook: HG_HOOKNAME=listkeys
   HG_HOOKTYPE=listkeys
   HG_NAMESPACE=bookmarks
   HG_VALUES={'bar': '0000000000000000000000000000000000000000', 'foo': '0000000000000000000000000000000000000000'}
   
   no changes found
   adding remote bookmark bar
   $ cd ../a
 
 test that prepushkey can prevent incoming keys
 
   $ cat >> .hg/hgrc <<EOF
   > prepushkey = sh -c "printenv.py --line prepushkey.forbid 1"
   > EOF
   $ cd ../b
   $ hg bookmark -r null baz
   $ hg push -B baz ../a
   pushing to ../a
   searching for changes
   listkeys hook: HG_HOOKNAME=listkeys
   HG_HOOKTYPE=listkeys
   HG_NAMESPACE=phases
   HG_VALUES={'cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b': '1', 'publishing': 'True'}
   
   listkeys hook: HG_HOOKNAME=listkeys
   HG_HOOKTYPE=listkeys
   HG_NAMESPACE=bookmarks
   HG_VALUES={'bar': '0000000000000000000000000000000000000000', 'foo': '0000000000000000000000000000000000000000'}
   
   no changes found
   pretxnopen hook: HG_HOOKNAME=pretxnopen
   HG_HOOKTYPE=pretxnopen
   HG_TXNID=TXN:$ID$
   HG_TXNNAME=push
   
   prepushkey.forbid hook: HG_BUNDLE2=1
   HG_HOOKNAME=prepushkey
   HG_HOOKTYPE=prepushkey
   HG_KEY=baz
   HG_NAMESPACE=bookmarks
   HG_NEW=0000000000000000000000000000000000000000
   HG_PUSHKEYCOMPAT=1
   HG_SOURCE=push
   HG_TXNID=TXN:$ID$
   HG_TXNNAME=push
   HG_URL=file:$TESTTMP/a
   
   abort: prepushkey hook exited with status 1
   [255]
   $ cd ../a
 
 test that prelistkeys can prevent listing keys
 
   $ cat >> .hg/hgrc <<EOF
   > prelistkeys = sh -c "printenv.py --line prelistkeys.forbid 1"
   > EOF
   $ hg bookmark -r null quux
   pretxnopen hook: HG_HOOKNAME=pretxnopen
   HG_HOOKTYPE=pretxnopen
   HG_TXNID=TXN:$ID$
   HG_TXNNAME=bookmark
   
   pretxnclose hook: HG_BOOKMARK_MOVED=1
   HG_HOOKNAME=pretxnclose
   HG_HOOKTYPE=pretxnclose
   HG_PENDING=$TESTTMP/a
   HG_TXNID=TXN:$ID$
   HG_TXNNAME=bookmark
   
   txnclose hook: HG_BOOKMARK_MOVED=1
   HG_HOOKNAME=txnclose
   HG_HOOKTYPE=txnclose
   HG_TXNID=TXN:$ID$
   HG_TXNNAME=bookmark
   
   $ cd ../b
   $ hg pull -B quux ../a
   pulling from ../a
   prelistkeys.forbid hook: HG_HOOKNAME=prelistkeys
   HG_HOOKTYPE=prelistkeys
   HG_NAMESPACE=bookmarks
   
   abort: prelistkeys hook exited with status 1
   [255]
   $ cd ../a
   $ rm .hg/hgrc
 
 prechangegroup hook can prevent incoming changes
 
   $ cd ../b
   $ hg -q tip
   3:07f3376c1e65
   $ cat > .hg/hgrc <<EOF
   > [hooks]
   > prechangegroup.forbid = sh -c "printenv.py --line prechangegroup.forbid 1"
   > EOF
   $ hg pull ../a
   pulling from ../a
   searching for changes
   prechangegroup.forbid hook: HG_HOOKNAME=prechangegroup.forbid
   HG_HOOKTYPE=prechangegroup
   HG_SOURCE=pull
   HG_TXNID=TXN:$ID$
   HG_TXNNAME=pull
   file:/*/$TESTTMP/a (glob)
   HG_URL=file:$TESTTMP/a
   
   abort: prechangegroup.forbid hook exited with status 1
   [255]
 
 pretxnchangegroup hook can see incoming changes, can roll back txn,
 incoming changes no longer there after
 
   $ cat > .hg/hgrc <<EOF
   > [hooks]
   > pretxnchangegroup.forbid0 = hg tip -q
   > pretxnchangegroup.forbid1 = sh -c "printenv.py --line pretxnchangegroup.forbid 1"
   > EOF
   $ hg pull ../a
   pulling from ../a
   searching for changes
   adding changesets
   adding manifests
   adding file changes
   4:539e4b31b6dc
   pretxnchangegroup.forbid hook: HG_HOOKNAME=pretxnchangegroup.forbid1
   HG_HOOKTYPE=pretxnchangegroup
   HG_NODE=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10
   HG_NODE_LAST=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10
   HG_PENDING=$TESTTMP/b
   HG_SOURCE=pull
   HG_TXNID=TXN:$ID$
   HG_TXNNAME=pull
   file:/*/$TESTTMP/a (glob)
   HG_URL=file:$TESTTMP/a
   
   transaction abort!
   rollback completed
   abort: pretxnchangegroup.forbid1 hook exited with status 1
   [255]
   $ hg -q tip
   3:07f3376c1e65
 
 outgoing hooks can see env vars
 
   $ rm .hg/hgrc
   $ cat > ../a/.hg/hgrc <<EOF
   > [hooks]
   > preoutgoing = sh -c "printenv.py --line preoutgoing"
   > outgoing = sh -c "printenv.py --line outgoing"
   > EOF
   $ hg pull ../a
   pulling from ../a
   searching for changes
   preoutgoing hook: HG_HOOKNAME=preoutgoing
   HG_HOOKTYPE=preoutgoing
   HG_SOURCE=pull
   
   outgoing hook: HG_HOOKNAME=outgoing
   HG_HOOKTYPE=outgoing
   HG_NODE=539e4b31b6dc99b3cfbaa6b53cbc1c1f9a1e3a10
   HG_SOURCE=pull
   
   adding changesets
   adding manifests
   adding file changes
   adding remote bookmark quux
   added 1 changesets with 1 changes to 1 files
   new changesets 539e4b31b6dc
   (run 'hg update' to get a working copy)
   $ hg rollback
   repository tip rolled back to revision 3 (undo pull)
 
 preoutgoing hook can prevent outgoing changes
 
   $ cat >> ../a/.hg/hgrc <<EOF
   > preoutgoing.forbid = sh -c "printenv.py --line preoutgoing.forbid 1"
   > EOF
   $ hg pull ../a
   pulling from ../a
   searching for changes
   preoutgoing hook: HG_HOOKNAME=preoutgoing
   HG_HOOKTYPE=preoutgoing
   HG_SOURCE=pull
   
   preoutgoing.forbid hook: HG_HOOKNAME=preoutgoing.forbid
   HG_HOOKTYPE=preoutgoing
   HG_SOURCE=pull
   
   abort: preoutgoing.forbid hook exited with status 1
   [255]
 
 outgoing hooks work for local clones
 
   $ cd ..
   $ cat > a/.hg/hgrc <<EOF
   > [hooks]
   > preoutgoing = sh -c "printenv.py --line preoutgoing"
   > outgoing = sh -c "printenv.py --line outgoing"
   > EOF
   $ hg clone a c
   preoutgoing hook: HG_HOOKNAME=preoutgoing
   HG_HOOKTYPE=preoutgoing
   HG_SOURCE=clone
   
   outgoing hook: HG_HOOKNAME=outgoing
   HG_HOOKTYPE=outgoing
   HG_NODE=0000000000000000000000000000000000000000
   HG_SOURCE=clone
   
   updating to branch default
   3 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ rm -rf c
 
 preoutgoing hook can prevent outgoing changes for local clones
 
   $ cat >> a/.hg/hgrc <<EOF
   > preoutgoing.forbid = sh -c "printenv.py --line preoutgoing.forbid 1"
   > EOF
   $ hg clone a zzz
   preoutgoing hook: HG_HOOKNAME=preoutgoing
   HG_HOOKTYPE=preoutgoing
   HG_SOURCE=clone
   
   preoutgoing.forbid hook: HG_HOOKNAME=preoutgoing.forbid
   HG_HOOKTYPE=preoutgoing
   HG_SOURCE=clone
   
   abort: preoutgoing.forbid hook exited with status 1
   [255]
 
   $ cd "$TESTTMP/b"
 
   $ cat > hooktests.py <<EOF
   > from __future__ import print_function
   > from mercurial import (
   >     error,
   >     pycompat,
   > )
   > 
   > uncallable = 0
   > 
   > def printargs(ui, args):
   >     a = list(pycompat.byteskwargs(args).items())
   >     a.sort()
   >     ui.write(b'hook args:\n')
   >     for k, v in a:
   >        ui.write(b'  %s %s\n' % (k, v))
   > 
   > def passhook(ui, repo, **args):
   >     printargs(ui, args)
   > 
   > def failhook(ui, repo, **args):
   >     printargs(ui, args)
   >     return True
   > 
   > class LocalException(Exception):
   >     pass
   > 
   > def raisehook(**args):
   >     raise LocalException('exception from hook')
   > 
   > def aborthook(**args):
   >     raise error.Abort(b'raise abort from hook')
   > 
   > def brokenhook(**args):
   >     return 1 + {}
   > 
   > def verbosehook(ui, **args):
   >     ui.note(b'verbose output from hook\n')
   > 
   > def printtags(ui, repo, **args):
   >     ui.write(b'[%s]\n' % b', '.join(sorted(repo.tags())))
   > 
   > class container(object):
   >     unreachable = 1
   > EOF
 
   $ cat > syntaxerror.py << NO_CHECK_EOF
   > (foo
   > NO_CHECK_EOF
 
 test python hooks
 
 #if windows
   $ PYTHONPATH="$TESTTMP/b;$PYTHONPATH"
 #else
   $ PYTHONPATH="$TESTTMP/b:$PYTHONPATH"
 #endif
   $ export PYTHONPATH
 
   $ echo '[hooks]' > ../a/.hg/hgrc
   $ echo 'preoutgoing.broken = python:hooktests.brokenhook' >> ../a/.hg/hgrc
   $ hg pull ../a 2>&1 | grep 'raised an exception'
   error: preoutgoing.broken hook raised an exception: unsupported operand type(s) for +: 'int' and 'dict'
 
   $ echo '[hooks]' > ../a/.hg/hgrc
   $ echo 'preoutgoing.raise = python:hooktests.raisehook' >> ../a/.hg/hgrc
   $ hg pull ../a 2>&1 | grep 'raised an exception'
   error: preoutgoing.raise hook raised an exception: exception from hook
 
   $ echo '[hooks]' > ../a/.hg/hgrc
   $ echo 'preoutgoing.abort = python:hooktests.aborthook' >> ../a/.hg/hgrc
   $ hg pull ../a
   pulling from ../a
   searching for changes
   error: preoutgoing.abort hook failed: raise abort from hook
   abort: raise abort from hook
   [255]
 
   $ echo '[hooks]' > ../a/.hg/hgrc
   $ echo 'preoutgoing.fail = python:hooktests.failhook' >> ../a/.hg/hgrc
   $ hg pull ../a
   pulling from ../a
   searching for changes
   hook args:
     hooktype preoutgoing
     source pull
   abort: preoutgoing.fail hook failed
   [255]
 
   $ echo '[hooks]' > ../a/.hg/hgrc
   $ echo 'preoutgoing.uncallable = python:hooktests.uncallable' >> ../a/.hg/hgrc
   $ hg pull ../a
   pulling from ../a
   searching for changes
   abort: preoutgoing.uncallable hook is invalid: "hooktests.uncallable" is not callable
   [255]
 
   $ echo '[hooks]' > ../a/.hg/hgrc
   $ echo 'preoutgoing.nohook = python:hooktests.nohook' >> ../a/.hg/hgrc
   $ hg pull ../a
   pulling from ../a
   searching for changes
   abort: preoutgoing.nohook hook is invalid: "hooktests.nohook" is not defined
   [255]
 
   $ echo '[hooks]' > ../a/.hg/hgrc
   $ echo 'preoutgoing.nomodule = python:nomodule' >> ../a/.hg/hgrc
   $ hg pull ../a
   pulling from ../a
   searching for changes
   abort: preoutgoing.nomodule hook is invalid: "nomodule" not in a module
   [255]
 
   $ echo '[hooks]' > ../a/.hg/hgrc
   $ echo 'preoutgoing.badmodule = python:nomodule.nowhere' >> ../a/.hg/hgrc
   $ hg pull ../a
   pulling from ../a
   searching for changes
   abort: preoutgoing.badmodule hook is invalid: import of "nomodule" failed
   (run with --traceback for stack trace)
   [255]
 
   $ echo '[hooks]' > ../a/.hg/hgrc
   $ echo 'preoutgoing.unreachable = python:hooktests.container.unreachable' >> ../a/.hg/hgrc
   $ hg pull ../a
   pulling from ../a
   searching for changes
   abort: preoutgoing.unreachable hook is invalid: import of "hooktests.container" failed
   (run with --traceback for stack trace)
   [255]
 
   $ echo '[hooks]' > ../a/.hg/hgrc
   $ echo 'preoutgoing.syntaxerror = python:syntaxerror.syntaxerror' >> ../a/.hg/hgrc
   $ hg pull ../a
   pulling from ../a
   searching for changes
   abort: preoutgoing.syntaxerror hook is invalid: import of "syntaxerror" failed
   (run with --traceback for stack trace)
   [255]
 
   $ hg pull ../a --traceback 2>&1 | egrep 'pulling|searching|^exception|Traceback|SyntaxError|ImportError|ModuleNotFoundError|HookLoadError|abort'
   pulling from ../a
   searching for changes
   exception from first failed import attempt:
   Traceback (most recent call last):
   SyntaxError: * (glob)
   exception from second failed import attempt:
   Traceback (most recent call last): (py3 !)
   SyntaxError: * (glob) (py3 !)
   Traceback (most recent call last):
   ImportError: No module named hgext_syntaxerror (no-py3 !)
   ImportError: No module named 'hgext_syntaxerror' (py3 no-py36 !)
   ModuleNotFoundError: No module named 'hgext_syntaxerror' (py36 !)
   Traceback (most recent call last):
   SyntaxError: * (glob) (py3 !)
   Traceback (most recent call last): (py3 !)
   ImportError: No module named 'hgext_syntaxerror' (py3 no-py36 !)
   ModuleNotFoundError: No module named 'hgext_syntaxerror' (py36 !)
   Traceback (most recent call last): (py3 !)
   HookLoadError: preoutgoing.syntaxerror hook is invalid: import of "syntaxerror" failed (no-py3 !)
-  mercurial.error.HookLoadError: b'preoutgoing.syntaxerror hook is invalid: import of "syntaxerror" failed' (py3 !)
+  mercurial.error.HookLoadError: preoutgoing.syntaxerror hook is invalid: import of "syntaxerror" failed (py3 !)
   abort: preoutgoing.syntaxerror hook is invalid: import of "syntaxerror" failed
 
   $ echo '[hooks]' > ../a/.hg/hgrc
   $ echo 'preoutgoing.pass = python:hooktests.passhook' >> ../a/.hg/hgrc
   $ hg pull ../a
   pulling from ../a
   searching for changes
   hook args:
     hooktype preoutgoing
     source pull
   adding changesets
   adding manifests
   adding file changes
   adding remote bookmark quux
   added 1 changesets with 1 changes to 1 files
   new changesets 539e4b31b6dc
   (run 'hg update' to get a working copy)
 
 post- python hooks that fail to *run* don't cause an abort
   $ rm ../a/.hg/hgrc
   $ echo '[hooks]' > .hg/hgrc
   $ echo 'post-pull.broken = python:hooktests.brokenhook' >> .hg/hgrc
   $ hg pull ../a
   pulling from ../a
   searching for changes
   no changes found
   error: post-pull.broken hook raised an exception: unsupported operand type(s) for +: 'int' and 'dict'
   (run with --traceback for stack trace)
 
 but post- python hooks that fail to *load* do
   $ echo '[hooks]' > .hg/hgrc
   $ echo 'post-pull.nomodule = python:nomodule' >> .hg/hgrc
   $ hg pull ../a
   pulling from ../a
   searching for changes
   no changes found
   abort: post-pull.nomodule hook is invalid: "nomodule" not in a module
   [255]
 
   $ echo '[hooks]' > .hg/hgrc
   $ echo 'post-pull.badmodule = python:nomodule.nowhere' >> .hg/hgrc
   $ hg pull ../a
   pulling from ../a
   searching for changes
   no changes found
   abort: post-pull.badmodule hook is invalid: import of "nomodule" failed
   (run with --traceback for stack trace)
   [255]
 
   $ echo '[hooks]' > .hg/hgrc
   $ echo 'post-pull.nohook = python:hooktests.nohook' >> .hg/hgrc
   $ hg pull ../a
   pulling from ../a
   searching for changes
   no changes found
   abort: post-pull.nohook hook is invalid: "hooktests.nohook" is not defined
   [255]
 
 make sure --traceback works
 
   $ echo '[hooks]' > .hg/hgrc
   $ echo 'commit.abort = python:hooktests.aborthook' >> .hg/hgrc
 
   $ echo aa > a
   $ hg --traceback commit -d '0 0' -ma 2>&1 | grep '^Traceback'
   Traceback (most recent call last):
 
   $ cd ..
   $ hg init c
   $ cd c
 
   $ cat > hookext.py <<EOF
   > def autohook(ui, **args):
   >     ui.write(b'Automatically installed hook\n')
   > 
   > def reposetup(ui, repo):
   >     repo.ui.setconfig(b"hooks", b"commit.auto", autohook)
   > EOF
   $ echo '[extensions]' >> .hg/hgrc
   $ echo 'hookext = hookext.py' >> .hg/hgrc
 
   $ touch foo
   $ hg add foo
   $ hg ci -d '0 0' -m 'add foo'
   Automatically installed hook
   $ echo >> foo
   $ hg ci --debug -d '0 0' -m 'change foo'
   committing files:
   foo
   committing manifest
   committing changelog
   updating the branch cache
   committed changeset 1:52998019f6252a2b893452765fcb0a47351a5708
   calling hook commit.auto: hgext_hookext.autohook
   Automatically installed hook
 
   $ hg showconfig hooks
   hooks.commit.auto=<function autohook at *> (glob)
 
 test python hook configured with python:[file]:[hook] syntax
 
   $ cd ..
   $ mkdir d
   $ cd d
   $ hg init repo
   $ mkdir hooks
 
   $ cd hooks
   $ cat > testhooks.py <<EOF
   > def testhook(ui, **args):
   >     ui.write(b'hook works\n')
   > EOF
   $ echo '[hooks]' > ../repo/.hg/hgrc
   $ echo "pre-commit.test = python:`pwd`/testhooks.py:testhook" >> ../repo/.hg/hgrc
 
   $ cd ../repo
   $ hg commit -d '0 0'
   hook works
   nothing changed
   [1]
 
   $ echo '[hooks]' > .hg/hgrc
   $ echo "update.ne = python:`pwd`/nonexistent.py:testhook" >> .hg/hgrc
   $ echo "pre-identify.npmd = python:`pwd`/:no_python_module_dir" >> .hg/hgrc
 
   $ hg up null
   loading update.ne hook failed:
   abort: $ENOENT$: '$TESTTMP/d/repo/nonexistent.py'
   [255]
 
   $ hg id
   loading pre-identify.npmd hook failed:
   abort: No module named repo! (no-py3 !)
   abort: No module named 'repo'! (py3 !)
   [255]
 
   $ cd ../../b
 
 make sure --traceback works on hook import failure
 
   $ cat > importfail.py <<EOF
   > import somebogusmodule
   > # dereference something in the module to force demandimport to load it
   > somebogusmodule.whatever
   > EOF
 
   $ echo '[hooks]' > .hg/hgrc
   $ echo 'precommit.importfail = python:importfail.whatever' >> .hg/hgrc
 
   $ echo a >> a
   $ hg --traceback commit -ma 2>&1 | egrep '^exception|ImportError|ModuleNotFoundError|Traceback|HookLoadError|abort'
   exception from first failed import attempt:
   Traceback (most recent call last):
   ImportError: No module named somebogusmodule (no-py3 !)
   ImportError: No module named 'somebogusmodule' (py3 no-py36 !)
   ModuleNotFoundError: No module named 'somebogusmodule' (py36 !)
   exception from second failed import attempt:
   Traceback (most recent call last): (py3 !)
   ImportError: No module named 'somebogusmodule' (py3 no-py36 !)
   ModuleNotFoundError: No module named 'somebogusmodule' (py36 !)
   Traceback (most recent call last): (py3 !)
   ImportError: No module named 'hgext_importfail' (py3 no-py36 !)
   ModuleNotFoundError: No module named 'hgext_importfail' (py36 !)
   Traceback (most recent call last): (py3 !)
   ImportError: No module named 'somebogusmodule' (py3 no-py36 !)
   ModuleNotFoundError: No module named 'somebogusmodule' (py36 !)
   Traceback (most recent call last):
   ImportError: No module named hgext_importfail (no-py3 !)
   ImportError: No module named 'hgext_importfail' (py3 no-py36 !)
   ModuleNotFoundError: No module named 'hgext_importfail' (py36 !)
   Traceback (most recent call last):
   HookLoadError: precommit.importfail hook is invalid: import of "importfail" failed (no-py3 !)
-  mercurial.error.HookLoadError: b'precommit.importfail hook is invalid: import of "importfail" failed' (py3 !)
+  mercurial.error.HookLoadError: precommit.importfail hook is invalid: import of "importfail" failed (py3 !)
   abort: precommit.importfail hook is invalid: import of "importfail" failed
 
 Issue1827: Hooks Update & Commit not completely post operation
 
 commit and update hooks should run after command completion.  The largefiles
 use demonstrates a recursive wlock, showing the hook doesn't run until the
 final release (and dirstate flush).
 
   $ echo '[hooks]' > .hg/hgrc
   $ echo 'commit = hg id' >> .hg/hgrc
   $ echo 'update = hg id' >> .hg/hgrc
   $ echo bb > a
   $ hg ci -ma
   223eafe2750c tip
   $ hg up 0 --config extensions.largefiles=
   The fsmonitor extension is incompatible with the largefiles extension and has been disabled. (fsmonitor !)
   cb9a9f314b8b
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
 
 make sure --verbose (and --quiet/--debug etc.) are propagated to the local ui
 that is passed to pre/post hooks
 
   $ echo '[hooks]' > .hg/hgrc
   $ echo 'pre-identify = python:hooktests.verbosehook' >> .hg/hgrc
   $ hg id
   cb9a9f314b8b
   $ hg id --verbose
   calling hook pre-identify: hooktests.verbosehook
   verbose output from hook
   cb9a9f314b8b
 
 Ensure hooks can be prioritized
 
   $ echo '[hooks]' > .hg/hgrc
   $ echo 'pre-identify.a = python:hooktests.verbosehook' >> .hg/hgrc
   $ echo 'pre-identify.b = python:hooktests.verbosehook' >> .hg/hgrc
   $ echo 'priority.pre-identify.b = 1' >> .hg/hgrc
   $ echo 'pre-identify.c = python:hooktests.verbosehook' >> .hg/hgrc
   $ hg id --verbose
   calling hook pre-identify.b: hooktests.verbosehook
   verbose output from hook
   calling hook pre-identify.a: hooktests.verbosehook
   verbose output from hook
   calling hook pre-identify.c: hooktests.verbosehook
   verbose output from hook
   cb9a9f314b8b
 
 new tags must be visible in pretxncommit (issue3210)
 
   $ echo 'pretxncommit.printtags = python:hooktests.printtags' >> .hg/hgrc
   $ hg tag -f foo
   [a, foo, tip]
 
 post-init hooks must not crash (issue4983)
 This also creates the `to` repo for the next test block.
 
   $ cd ..
   $ cat << EOF >> hgrc-with-post-init-hook
   > [hooks]
   > post-init = sh -c "printenv.py --line post-init"
   > EOF
   $ HGRCPATH=hgrc-with-post-init-hook hg init to
   post-init hook: HG_ARGS=init to
   HG_HOOKNAME=post-init
   HG_HOOKTYPE=post-init
   HG_OPTS={'insecure': None, 'remotecmd': '', 'ssh': ''}
   HG_PATS=['to']
   HG_RESULT=0
   
 
 new commits must be visible in pretxnchangegroup (issue3428)
 
   $ echo '[hooks]' >> to/.hg/hgrc
   $ echo 'prechangegroup = hg --traceback tip' >> to/.hg/hgrc
   $ echo 'pretxnchangegroup = hg --traceback tip' >> to/.hg/hgrc
   $ echo a >> to/a
   $ hg --cwd to ci -Ama
   adding a
   $ hg clone to from
   updating to branch default
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ echo aa >> from/a
   $ hg --cwd from ci -mb
   $ hg --cwd from push
   pushing to $TESTTMP/to
   searching for changes
   changeset:   0:cb9a9f314b8b
   tag:         tip
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     a
   
   adding changesets
   adding manifests
   adding file changes
   changeset:   1:9836a07b9b9d
   tag:         tip
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     b
   
   added 1 changesets with 1 changes to 1 files
 
 pretxnclose hook failure should abort the transaction
 
   $ hg init txnfailure
   $ cd txnfailure
   $ touch a && hg commit -Aqm a
   $ cat >> .hg/hgrc <<EOF
   > [hooks]
   > pretxnclose.error = exit 1
   > EOF
   $ hg strip -r 0 --config extensions.strip=
   0 files updated, 0 files merged, 1 files removed, 0 files unresolved
   saved backup bundle to * (glob)
   transaction abort!
   rollback completed
   strip failed, backup bundle stored in * (glob)
   abort: pretxnclose.error hook exited with status 1
   [255]
   $ hg recover
   no interrupted transaction available
   [1]
   $ cd ..
 
 check whether HG_PENDING makes pending changes only in related
 repositories visible to an external hook.
 
 (emulate a transaction running concurrently by copied
 .hg/store/00changelog.i.a in subsequent test)
 
   $ cat > $TESTTMP/savepending.sh <<EOF
   > cp .hg/store/00changelog.i.a  .hg/store/00changelog.i.a.saved
   > exit 1 # to avoid adding new revision for subsequent tests
   > EOF
   $ cd a
   $ hg tip -q
   4:539e4b31b6dc
   $ hg --config hooks.pretxnclose="sh $TESTTMP/savepending.sh" commit -m "invisible"
   transaction abort!
   rollback completed
   abort: pretxnclose hook exited with status 1
   [255]
   $ cp .hg/store/00changelog.i.a.saved .hg/store/00changelog.i.a
 
 (check (in)visibility of new changeset while transaction running in
 repo)
 
   $ cat > $TESTTMP/checkpending.sh <<EOF
   > echo '@a'
   > hg -R "$TESTTMP/a" tip -q
   > echo '@a/nested'
   > hg -R "$TESTTMP/a/nested" tip -q
   > exit 1 # to avoid adding new revision for subsequent tests
   > EOF
   $ hg init nested
   $ cd nested
   $ echo a > a
   $ hg add a
   $ hg --config hooks.pretxnclose="sh $TESTTMP/checkpending.sh" commit -m '#0'
   @a
   4:539e4b31b6dc
   @a/nested
   0:bf5e395ced2c
   transaction abort!
   rollback completed
   abort: pretxnclose hook exited with status 1
   [255]
 
 Hook from untrusted hgrc are reported as failure
 ================================================
 
   $ cat << EOF > $TESTTMP/untrusted.py
   > from mercurial import scmutil, util
   > def uisetup(ui):
   >     class untrustedui(ui.__class__):
   >         def _trusted(self, fp, f):
   >             if util.normpath(fp.name).endswith(b'untrusted/.hg/hgrc'):
   >                 return False
   >             return super(untrustedui, self)._trusted(fp, f)
   >     ui.__class__ = untrustedui
   > EOF
   $ cat << EOF >> $HGRCPATH
   > [extensions]
   > untrusted=$TESTTMP/untrusted.py
   > EOF
   $ hg init untrusted
   $ cd untrusted
 
 Non-blocking hook
 -----------------
 
   $ cat << EOF >> .hg/hgrc
   > [hooks]
   > txnclose.testing=echo txnclose hook called
   > EOF
   $ touch a && hg commit -Aqm a
   warning: untrusted hook txnclose.testing not executed
   $ hg log
   changeset:   0:3903775176ed
   tag:         tip
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     a
   
 
 Non-blocking hook
 -----------------
 
   $ cat << EOF >> .hg/hgrc
   > [hooks]
   > pretxnclose.testing=echo pre-txnclose hook called
   > EOF
   $ touch b && hg commit -Aqm a
   transaction abort!
   rollback completed
   abort: untrusted hook pretxnclose.testing not executed
   (see 'hg help config.trusted')
   [255]
   $ hg log
   changeset:   0:3903775176ed
   tag:         tip
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     a
   

tests/test-lfs-serve-access.t

@@ -1,508 +1,508 b''
 #require serve no-reposimplestore no-chg
 
   $ cat >> $HGRCPATH <<EOF
   > [extensions]
   > lfs=
   > [lfs]
   > track=all()
   > [web]
   > push_ssl = False
   > allow-push = *
   > EOF
 
 Serving LFS files can experimentally be turned off.  The long term solution is
 to support the 'verify' action in both client and server, so that the server can
 tell the client to store files elsewhere.
 
   $ hg init server
   $ hg --config "lfs.usercache=$TESTTMP/servercache" \
   >    --config experimental.lfs.serve=False -R server serve -d \
   >    -p $HGPORT --pid-file=hg.pid -A $TESTTMP/access.log -E $TESTTMP/errors.log
   $ cat hg.pid >> $DAEMON_PIDS
 
 Uploads fail...
 
   $ hg init client
   $ echo 'this-is-an-lfs-file' > client/lfs.bin
   $ hg -R client ci -Am 'initial commit'
   adding lfs.bin
   $ hg -R client push http://localhost:$HGPORT
   pushing to http://localhost:$HGPORT/
   searching for changes
   abort: LFS HTTP error: HTTP Error 400: no such method: .git!
   (check that lfs serving is enabled on http://localhost:$HGPORT/.git/info/lfs and "upload" is supported)
   [255]
 
 ... so do a local push to make the data available.  Remove the blob from the
 default cache, so it attempts to download.
   $ hg --config "lfs.usercache=$TESTTMP/servercache" \
   >    --config "lfs.url=null://" \
   >    -R client push -q server
   $ mv `hg config lfs.usercache` $TESTTMP/servercache
 
 Downloads fail...
 
   $ hg clone http://localhost:$HGPORT httpclone
   (remote is using large file support (lfs); lfs will be enabled for this repository)
   requesting all changes
   adding changesets
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to 1 files
   new changesets 525251863cad
   updating to branch default
   abort: LFS HTTP error: HTTP Error 400: no such method: .git!
   (check that lfs serving is enabled on http://localhost:$HGPORT/.git/info/lfs and "download" is supported)
   [255]
 
   $ "$PYTHON" $RUNTESTDIR/killdaemons.py $DAEMON_PIDS
 
   $ cat $TESTTMP/access.log $TESTTMP/errors.log
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=capabilities HTTP/1.1" 200 - (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=batch HTTP/1.1" 200 - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D525251863cad618e55d483555f3d00a2ca99597e x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$ partial-pull (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=phases x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$ partial-pull (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$ partial-pull (glob)
   $LOCALIP - - [$LOGDATE$] "POST /.git/info/lfs/objects/batch HTTP/1.1" 400 - (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=capabilities HTTP/1.1" 200 - (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=batch HTTP/1.1" 200 - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$ partial-pull (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=getbundle HTTP/1.1" 200 - x-hgarg-1:bookmarks=1&bundlecaps=HG20%2Cbundle2%3DHG20%250Abookmarks%250Achangegroup%253D01%252C02%252C03%250Adigests%253Dmd5%252Csha1%252Csha512%250Aerror%253Dabort%252Cunsupportedcontent%252Cpushraced%252Cpushkey%250Ahgtagsfnodes%250Alistkeys%250Aphases%253Dheads%250Apushkey%250Aremote-changegroup%253Dhttp%252Chttps%250Arev-branch-cache%250Astream%253Dv2&cg=1&common=0000000000000000000000000000000000000000&heads=525251863cad618e55d483555f3d00a2ca99597e&listkeys=bookmarks&phases=1 x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$ partial-pull (glob)
   $LOCALIP - - [$LOGDATE$] "POST /.git/info/lfs/objects/batch HTTP/1.1" 400 - (glob)
 
   $ rm -f $TESTTMP/access.log $TESTTMP/errors.log
   $ hg --config "lfs.usercache=$TESTTMP/servercache" -R server serve -d \
   >    -p $HGPORT --pid-file=hg.pid --prefix=subdir/mount/point \
   >    -A $TESTTMP/access.log -E $TESTTMP/errors.log
   $ cat hg.pid >> $DAEMON_PIDS
 
 Reasonable hint for a misconfigured blob server
 
   $ hg -R httpclone update default --config lfs.url=http://localhost:$HGPORT/missing
   abort: LFS HTTP error: HTTP Error 404: Not Found!
   (the "lfs.url" config may be used to override http://localhost:$HGPORT/missing)
   [255]
 
   $ hg -R httpclone update default --config lfs.url=http://localhost:$HGPORT2/missing
   abort: LFS error: *onnection *refused*! (glob) (?)
   abort: LFS error: $EADDRNOTAVAIL$! (glob) (?)
   abort: LFS error: No route to host! (?)
   (the "lfs.url" config may be used to override http://localhost:$HGPORT2/missing)
   [255]
 
 Blob URIs are correct when --prefix is used
 
   $ hg clone --debug http://localhost:$HGPORT/subdir/mount/point cloned2
   using http://localhost:$HGPORT/subdir/mount/point
   sending capabilities command
   (remote is using large file support (lfs); lfs will be enabled for this repository)
   query 1; heads
   sending batch command
   requesting all changes
   sending getbundle command
   bundle2-input-bundle: with-transaction
   bundle2-input-part: "changegroup" (params: 1 mandatory 1 advisory) supported
   adding changesets
   add changeset 525251863cad
   adding manifests
   adding file changes
   adding lfs.bin revisions
   bundle2-input-part: total payload size 648
   bundle2-input-part: "listkeys" (params: 1 mandatory) supported
   bundle2-input-part: "phase-heads" supported
   bundle2-input-part: total payload size 24
   bundle2-input-part: "cache:rev-branch-cache" (advisory) supported
   bundle2-input-part: total payload size 39
   bundle2-input-bundle: 4 parts total
   checking for updated bookmarks
   updating the branch cache
   added 1 changesets with 1 changes to 1 files
   new changesets 525251863cad
   updating to branch default
   resolving manifests
    branchmerge: False, force: False, partial: False
    ancestor: 000000000000, local: 000000000000+, remote: 525251863cad
   lfs: assuming remote store: http://localhost:$HGPORT/subdir/mount/point/.git/info/lfs
   Status: 200
   Content-Length: 371
   Content-Type: application/vnd.git-lfs+json
   Date: $HTTP_DATE$
   Server: testing stub value
   {
     "objects": [
       {
         "actions": {
           "download": {
             "expires_at": "$ISO_8601_DATE_TIME$"
             "header": {
               "Accept": "application/vnd.git-lfs"
             }
             "href": "http://localhost:$HGPORT/subdir/mount/point/.hg/lfs/objects/f03217a32529a28a42d03b1244fe09b6e0f9fd06d7b966d4d50567be2abe6c0e"
           }
         }
         "oid": "f03217a32529a28a42d03b1244fe09b6e0f9fd06d7b966d4d50567be2abe6c0e"
         "size": 20
       }
     ]
     "transfer": "basic"
   }
   lfs: downloading f03217a32529a28a42d03b1244fe09b6e0f9fd06d7b966d4d50567be2abe6c0e (20 bytes)
   Status: 200
   Content-Length: 20
   Content-Type: application/octet-stream
   Date: $HTTP_DATE$
   Server: testing stub value
   lfs: adding f03217a32529a28a42d03b1244fe09b6e0f9fd06d7b966d4d50567be2abe6c0e to the usercache
   lfs: processed: f03217a32529a28a42d03b1244fe09b6e0f9fd06d7b966d4d50567be2abe6c0e
   lfs: downloaded 1 files (20 bytes)
    lfs.bin: remote created -> g
   getting lfs.bin
   lfs: found f03217a32529a28a42d03b1244fe09b6e0f9fd06d7b966d4d50567be2abe6c0e in the local lfs store
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   (sent 3 HTTP requests and * bytes; received * bytes in responses) (glob)
 
   $ "$PYTHON" $RUNTESTDIR/killdaemons.py $DAEMON_PIDS
 
   $ cat $TESTTMP/access.log $TESTTMP/errors.log
   $LOCALIP - - [$LOGDATE$] "POST /missing/objects/batch HTTP/1.1" 404 - (glob)
   $LOCALIP - - [$LOGDATE$] "GET /subdir/mount/point?cmd=capabilities HTTP/1.1" 200 - (glob)
   $LOCALIP - - [$LOGDATE$] "GET /subdir/mount/point?cmd=batch HTTP/1.1" 200 - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$ partial-pull (glob)
   $LOCALIP - - [$LOGDATE$] "GET /subdir/mount/point?cmd=getbundle HTTP/1.1" 200 - x-hgarg-1:bookmarks=1&bundlecaps=HG20%2Cbundle2%3DHG20%250Abookmarks%250Achangegroup%253D01%252C02%252C03%250Adigests%253Dmd5%252Csha1%252Csha512%250Aerror%253Dabort%252Cunsupportedcontent%252Cpushraced%252Cpushkey%250Ahgtagsfnodes%250Alistkeys%250Aphases%253Dheads%250Apushkey%250Aremote-changegroup%253Dhttp%252Chttps%250Arev-branch-cache%250Astream%253Dv2&cg=1&common=0000000000000000000000000000000000000000&heads=525251863cad618e55d483555f3d00a2ca99597e&listkeys=bookmarks&phases=1 x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$ partial-pull (glob)
   $LOCALIP - - [$LOGDATE$] "POST /subdir/mount/point/.git/info/lfs/objects/batch HTTP/1.1" 200 - (glob)
   $LOCALIP - - [$LOGDATE$] "GET /subdir/mount/point/.hg/lfs/objects/f03217a32529a28a42d03b1244fe09b6e0f9fd06d7b966d4d50567be2abe6c0e HTTP/1.1" 200 - (glob)
 
 Blobs that already exist in the usercache are linked into the repo store, even
 though the client doesn't send the blob.
 
   $ hg init server2
   $ hg --config "lfs.usercache=$TESTTMP/servercache" -R server2 serve -d \
   >    -p $HGPORT --pid-file=hg.pid \
   >    -A $TESTTMP/access.log -E $TESTTMP/errors.log
   $ cat hg.pid >> $DAEMON_PIDS
 
   $ hg --config "lfs.usercache=$TESTTMP/servercache" -R cloned2 --debug \
   >    push http://localhost:$HGPORT | grep '^[{} ]'
   {
     "objects": [
       {
         "oid": "f03217a32529a28a42d03b1244fe09b6e0f9fd06d7b966d4d50567be2abe6c0e"
         "size": 20
       }
     ]
     "transfer": "basic"
   }
   $ find server2/.hg/store/lfs/objects | sort
   server2/.hg/store/lfs/objects
   server2/.hg/store/lfs/objects/f0
   server2/.hg/store/lfs/objects/f0/3217a32529a28a42d03b1244fe09b6e0f9fd06d7b966d4d50567be2abe6c0e
   $ "$PYTHON" $RUNTESTDIR/killdaemons.py $DAEMON_PIDS
   $ cat $TESTTMP/errors.log
 
   $ cat >> $TESTTMP/lfsstoreerror.py <<EOF
   > import errno
   > from hgext.lfs import blobstore
   > 
   > _numverifies = 0
   > _readerr = True
   > 
   > def reposetup(ui, repo):
   >     # Nothing to do with a remote repo
   >     if not repo.local():
   >         return
   > 
   >     store = repo.svfs.lfslocalblobstore
   >     class badstore(store.__class__):
   >         def download(self, oid, src):
   >             '''Called in the server to handle reading from the client in a
   >             PUT request.'''
   >             origread = src.read
   >             def _badread(nbytes):
   >                 # Simulate bad data/checksum failure from the client
   >                 return b'0' * len(origread(nbytes))
   >             src.read = _badread
   >             super(badstore, self).download(oid, src)
   > 
   >         def _read(self, vfs, oid, verify):
   >             '''Called in the server to read data for a GET request, and then
   >             calls self._verify() on it before returning.'''
   >             global _readerr
   >             # One time simulation of a read error
   >             if _readerr:
   >                 _readerr = False
   >                 raise IOError(errno.EIO, r'%s: I/O error' % oid.decode("utf-8"))
   >             # Simulate corrupt content on client download
   >             blobstore._verify(oid, b'dummy content')
   > 
   >         def verify(self, oid):
   >             '''Called in the server to populate the Batch API response,
   >             letting the client re-upload if the file is corrupt.'''
   >             # Fail verify in Batch API for one clone command and one push
   >             # command with an IOError.  Then let it through to access other
   >             # functions.  Checksum failure is tested elsewhere.
   >             global _numverifies
   >             _numverifies += 1
   >             if _numverifies <= 2:
   >                 raise IOError(errno.EIO, r'%s: I/O error' % oid.decode("utf-8"))
   >             return super(badstore, self).verify(oid)
   > 
   >     store.__class__ = badstore
   > EOF
 
   $ rm -rf `hg config lfs.usercache`
   $ rm -f $TESTTMP/access.log $TESTTMP/errors.log
   $ hg --config "lfs.usercache=$TESTTMP/servercache" \
   >    --config extensions.lfsstoreerror=$TESTTMP/lfsstoreerror.py \
   >    -R server serve -d \
   >    -p $HGPORT1 --pid-file=hg.pid -A $TESTTMP/access.log -E $TESTTMP/errors.log
   $ cat hg.pid >> $DAEMON_PIDS
 
 Test an I/O error in localstore.verify() (Batch API) with GET
 
   $ hg clone http://localhost:$HGPORT1 httpclone2
   (remote is using large file support (lfs); lfs will be enabled for this repository)
   requesting all changes
   adding changesets
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to 1 files
   new changesets 525251863cad
   updating to branch default
   abort: LFS server error for "lfs.bin": Internal server error!
   [255]
 
 Test an I/O error in localstore.verify() (Batch API) with PUT
 
   $ echo foo > client/lfs.bin
   $ hg -R client ci -m 'mod lfs'
   $ hg -R client push http://localhost:$HGPORT1
   pushing to http://localhost:$HGPORT1/
   searching for changes
   abort: LFS server error for "unknown": Internal server error!
   [255]
 TODO: figure out how to associate the file name in the error above
 
 Test a bad checksum sent by the client in the transfer API
 
   $ hg -R client push http://localhost:$HGPORT1
   pushing to http://localhost:$HGPORT1/
   searching for changes
   abort: LFS HTTP error: HTTP Error 422: corrupt blob (oid=b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c, action=upload)!
   [255]
 
   $ echo 'test lfs file' > server/lfs3.bin
   $ hg --config experimental.lfs.disableusercache=True \
   >    -R server ci -Aqm 'another lfs file'
   $ hg -R client pull -q http://localhost:$HGPORT1
 
 Test an I/O error during the processing of the GET request
 
   $ hg --config lfs.url=http://localhost:$HGPORT1/.git/info/lfs \
   >    -R client update -r tip
   abort: LFS HTTP error: HTTP Error 500: Internal Server Error (oid=276f73cfd75f9fb519810df5f5d96d6594ca2521abd86cbcd92122f7d51a1f3d, action=download)!
   [255]
 
 Test a checksum failure during the processing of the GET request
 
   $ hg --config lfs.url=http://localhost:$HGPORT1/.git/info/lfs \
   >    -R client update -r tip
   abort: LFS HTTP error: HTTP Error 422: corrupt blob (oid=276f73cfd75f9fb519810df5f5d96d6594ca2521abd86cbcd92122f7d51a1f3d, action=download)!
   [255]
 
   $ "$PYTHON" $RUNTESTDIR/killdaemons.py $DAEMON_PIDS
 
   $ cat $TESTTMP/access.log
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=capabilities HTTP/1.1" 200 - (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=batch HTTP/1.1" 200 - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$ partial-pull (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=getbundle HTTP/1.1" 200 - x-hgarg-1:bookmarks=1&bundlecaps=HG20%2Cbundle2%3DHG20%250Abookmarks%250Achangegroup%253D01%252C02%252C03%250Adigests%253Dmd5%252Csha1%252Csha512%250Aerror%253Dabort%252Cunsupportedcontent%252Cpushraced%252Cpushkey%250Ahgtagsfnodes%250Alistkeys%250Aphases%253Dheads%250Apushkey%250Aremote-changegroup%253Dhttp%252Chttps%250Arev-branch-cache%250Astream%253Dv2&cg=1&common=0000000000000000000000000000000000000000&heads=525251863cad618e55d483555f3d00a2ca99597e&listkeys=bookmarks&phases=1 x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$ partial-pull (glob)
   $LOCALIP - - [$LOGDATE$] "POST /.git/info/lfs/objects/batch HTTP/1.1" 200 - (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=capabilities HTTP/1.1" 200 - (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=batch HTTP/1.1" 200 - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D392c05922088bacf8e68a6939b480017afbf245d x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$ partial-pull (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=phases x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$ partial-pull (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$ partial-pull (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=branchmap HTTP/1.1" 200 - x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$ partial-pull (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$ partial-pull (glob)
   $LOCALIP - - [$LOGDATE$] "POST /.git/info/lfs/objects/batch HTTP/1.1" 200 - (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=capabilities HTTP/1.1" 200 - (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=batch HTTP/1.1" 200 - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D392c05922088bacf8e68a6939b480017afbf245d x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$ partial-pull (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=phases x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$ partial-pull (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$ partial-pull (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=branchmap HTTP/1.1" 200 - x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$ partial-pull (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$ partial-pull (glob)
   $LOCALIP - - [$LOGDATE$] "POST /.git/info/lfs/objects/batch HTTP/1.1" 200 - (glob)
   $LOCALIP - - [$LOGDATE$] "PUT /.hg/lfs/objects/b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c HTTP/1.1" 422 - (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=capabilities HTTP/1.1" 200 - (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=batch HTTP/1.1" 200 - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D392c05922088bacf8e68a6939b480017afbf245d x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$ partial-pull (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=getbundle HTTP/1.1" 200 - x-hgarg-1:bookmarks=1&bundlecaps=HG20%2Cbundle2%3DHG20%250Abookmarks%250Achangegroup%253D01%252C02%252C03%250Adigests%253Dmd5%252Csha1%252Csha512%250Aerror%253Dabort%252Cunsupportedcontent%252Cpushraced%252Cpushkey%250Ahgtagsfnodes%250Alistkeys%250Aphases%253Dheads%250Apushkey%250Aremote-changegroup%253Dhttp%252Chttps%250Arev-branch-cache%250Astream%253Dv2&cg=1&common=525251863cad618e55d483555f3d00a2ca99597e&heads=506bf3d83f78c54b89e81c6411adee19fdf02156+525251863cad618e55d483555f3d00a2ca99597e&listkeys=bookmarks&phases=1 x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$ partial-pull (glob)
   $LOCALIP - - [$LOGDATE$] "POST /.git/info/lfs/objects/batch HTTP/1.1" 200 - (glob)
   $LOCALIP - - [$LOGDATE$] "GET /.hg/lfs/objects/276f73cfd75f9fb519810df5f5d96d6594ca2521abd86cbcd92122f7d51a1f3d HTTP/1.1" 500 - (glob)
   $LOCALIP - - [$LOGDATE$] "POST /.git/info/lfs/objects/batch HTTP/1.1" 200 - (glob)
   $LOCALIP - - [$LOGDATE$] "GET /.hg/lfs/objects/276f73cfd75f9fb519810df5f5d96d6594ca2521abd86cbcd92122f7d51a1f3d HTTP/1.1" 422 - (glob)
 
   $ grep -v '  File "' $TESTTMP/errors.log
   $LOCALIP - - [$ERRDATE$] HG error:  Exception happened while processing request '/.git/info/lfs/objects/batch': (glob)
   $LOCALIP - - [$ERRDATE$] HG error:  Traceback (most recent call last): (glob)
   $LOCALIP - - [$ERRDATE$] HG error:      verifies = store.verify(oid) (glob)
   $LOCALIP - - [$ERRDATE$] HG error:      raise IOError(errno.EIO, r'%s: I/O error' % oid.decode("utf-8")) (glob)
   $LOCALIP - - [$ERRDATE$] HG error:  *Error: [Errno 5] f03217a32529a28a42d03b1244fe09b6e0f9fd06d7b966d4d50567be2abe6c0e: I/O error (glob)
   $LOCALIP - - [$ERRDATE$] HG error:   (glob)
   $LOCALIP - - [$ERRDATE$] HG error:  Exception happened while processing request '/.git/info/lfs/objects/batch': (glob)
   $LOCALIP - - [$ERRDATE$] HG error:  Traceback (most recent call last): (glob)
   $LOCALIP - - [$ERRDATE$] HG error:      verifies = store.verify(oid) (glob)
   $LOCALIP - - [$ERRDATE$] HG error:      raise IOError(errno.EIO, r'%s: I/O error' % oid.decode("utf-8")) (glob)
   $LOCALIP - - [$ERRDATE$] HG error:  *Error: [Errno 5] b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c: I/O error (glob)
   $LOCALIP - - [$ERRDATE$] HG error:   (glob)
   $LOCALIP - - [$ERRDATE$] HG error:  Exception happened while processing request '/.hg/lfs/objects/b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c': (glob)
   $LOCALIP - - [$ERRDATE$] HG error:  Traceback (most recent call last): (glob)
   $LOCALIP - - [$ERRDATE$] HG error:      localstore.download(oid, req.bodyfh) (glob)
   $LOCALIP - - [$ERRDATE$] HG error:      super(badstore, self).download(oid, src) (glob)
   $LOCALIP - - [$ERRDATE$] HG error:      _(b'corrupt remote lfs object: %s') % oid (glob)
   $LOCALIP - - [$ERRDATE$] HG error:  LfsCorruptionError: corrupt remote lfs object: b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c (no-py3 !)
-  $LOCALIP - - [$ERRDATE$] HG error:  hgext.lfs.blobstore.LfsCorruptionError: b'corrupt remote lfs object: b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c' (py3 !)
+  $LOCALIP - - [$ERRDATE$] HG error:  hgext.lfs.blobstore.LfsCorruptionError: corrupt remote lfs object: b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c (py3 !)
   $LOCALIP - - [$ERRDATE$] HG error:   (glob)
   $LOCALIP - - [$ERRDATE$] Exception happened during processing request '/.hg/lfs/objects/276f73cfd75f9fb519810df5f5d96d6594ca2521abd86cbcd92122f7d51a1f3d': (glob)
   Traceback (most recent call last):
       self.do_write()
       self.do_hgweb()
       for chunk in self.server.application(env, self._start_response):
       for r in self._runwsgi(req, res, repo):
       rctx, req, res, self.check_perm
       return func(*(args + a), **kw) (no-py3 !)
       rctx.repo, req, res, lambda perm: checkperm(rctx, req, perm)
       res.setbodybytes(localstore.read(oid))
       blob = self._read(self.vfs, oid, verify)
       raise IOError(errno.EIO, r'%s: I/O error' % oid.decode("utf-8"))
   *Error: [Errno 5] 276f73cfd75f9fb519810df5f5d96d6594ca2521abd86cbcd92122f7d51a1f3d: I/O error (glob)
   
   $LOCALIP - - [$ERRDATE$] HG error:  Exception happened while processing request '/.hg/lfs/objects/276f73cfd75f9fb519810df5f5d96d6594ca2521abd86cbcd92122f7d51a1f3d': (glob)
   $LOCALIP - - [$ERRDATE$] HG error:  Traceback (most recent call last): (glob)
   $LOCALIP - - [$ERRDATE$] HG error:      res.setbodybytes(localstore.read(oid)) (glob)
   $LOCALIP - - [$ERRDATE$] HG error:      blob = self._read(self.vfs, oid, verify) (glob)
   $LOCALIP - - [$ERRDATE$] HG error:      blobstore._verify(oid, b'dummy content') (glob)
   $LOCALIP - - [$ERRDATE$] HG error:      hint=_(b'run hg verify'), (glob)
   $LOCALIP - - [$ERRDATE$] HG error:  LfsCorruptionError: detected corrupt lfs object: 276f73cfd75f9fb519810df5f5d96d6594ca2521abd86cbcd92122f7d51a1f3d (no-py3 !)
-  $LOCALIP - - [$ERRDATE$] HG error:  hgext.lfs.blobstore.LfsCorruptionError: b'detected corrupt lfs object: 276f73cfd75f9fb519810df5f5d96d6594ca2521abd86cbcd92122f7d51a1f3d' (py3 !)
+  $LOCALIP - - [$ERRDATE$] HG error:  hgext.lfs.blobstore.LfsCorruptionError: detected corrupt lfs object: 276f73cfd75f9fb519810df5f5d96d6594ca2521abd86cbcd92122f7d51a1f3d (py3 !)
   $LOCALIP - - [$ERRDATE$] HG error:   (glob)
 
 Basic Authorization headers are returned by the Batch API, and sent back with
 the GET/PUT request.
 
   $ rm -f $TESTTMP/access.log $TESTTMP/errors.log
 
   $ cat >> $HGRCPATH << EOF
   > [experimental]
   > lfs.disableusercache = True
   > [auth]
   > l.schemes=http
   > l.prefix=lo
   > l.username=user
   > l.password=pass
   > EOF
 
   $ hg --config extensions.x=$TESTDIR/httpserverauth.py \
   >    -R server serve -d -p $HGPORT1 --pid-file=hg.pid \
   >    -A $TESTTMP/access.log -E $TESTTMP/errors.log
   $ mv hg.pid $DAEMON_PIDS
 
   $ hg clone --debug http://localhost:$HGPORT1 auth_clone | egrep '^[{}]|  '
   {
     "objects": [
       {
         "actions": {
           "download": {
             "expires_at": "$ISO_8601_DATE_TIME$"
             "header": {
               "Accept": "application/vnd.git-lfs"
               "Authorization": "Basic dXNlcjpwYXNz"
             }
             "href": "http://localhost:$HGPORT1/.hg/lfs/objects/276f73cfd75f9fb519810df5f5d96d6594ca2521abd86cbcd92122f7d51a1f3d"
           }
         }
         "oid": "276f73cfd75f9fb519810df5f5d96d6594ca2521abd86cbcd92122f7d51a1f3d"
         "size": 14
       }
     ]
     "transfer": "basic"
   }
 
   $ echo 'another blob' > auth_clone/lfs.blob
   $ hg -R auth_clone ci -Aqm 'add blob'
 
   $ cat > use_digests.py << EOF
   > from mercurial import (
   >     exthelper,
   >     url,
   > )
   > 
   > eh = exthelper.exthelper()
   > uisetup = eh.finaluisetup
   > 
   > @eh.wrapfunction(url, 'opener')
   > def urlopener(orig, *args, **kwargs):
   >     opener = orig(*args, **kwargs)
   >     opener.addheaders.append((r'X-HgTest-AuthType', r'Digest'))
   >     return opener
   > EOF
 
 Test that Digest Auth fails gracefully before testing the successful Basic Auth
 
   $ hg -R auth_clone push --config extensions.x=use_digests.py
   pushing to http://localhost:$HGPORT1/
   searching for changes
   abort: LFS HTTP error: HTTP Error 401: the server must support Basic Authentication!
   (api=http://localhost:$HGPORT1/.git/info/lfs/objects/batch, action=upload)
   [255]
 
   $ hg -R auth_clone --debug push | egrep '^[{}]|  '
   {
     "objects": [
       {
         "actions": {
           "upload": {
             "expires_at": "$ISO_8601_DATE_TIME$"
             "header": {
               "Accept": "application/vnd.git-lfs"
               "Authorization": "Basic dXNlcjpwYXNz"
             }
             "href": "http://localhost:$HGPORT1/.hg/lfs/objects/df14287d8d75f076a6459e7a3703ca583ca9fb3f4918caed10c77ac8622d49b3"
           }
         }
         "oid": "df14287d8d75f076a6459e7a3703ca583ca9fb3f4918caed10c77ac8622d49b3"
         "size": 13
       }
     ]
     "transfer": "basic"
   }
 
   $ "$PYTHON" $RUNTESTDIR/killdaemons.py $DAEMON_PIDS
 
   $ cat $TESTTMP/access.log $TESTTMP/errors.log
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=capabilities HTTP/1.1" 401 - (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=capabilities HTTP/1.1" 200 - (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=batch HTTP/1.1" 200 - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$ partial-pull (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=getbundle HTTP/1.1" 200 - x-hgarg-1:bookmarks=1&bundlecaps=HG20%2Cbundle2%3DHG20%250Abookmarks%250Achangegroup%253D01%252C02%252C03%250Adigests%253Dmd5%252Csha1%252Csha512%250Aerror%253Dabort%252Cunsupportedcontent%252Cpushraced%252Cpushkey%250Ahgtagsfnodes%250Alistkeys%250Aphases%253Dheads%250Apushkey%250Aremote-changegroup%253Dhttp%252Chttps%250Arev-branch-cache%250Astream%253Dv2&cg=1&common=0000000000000000000000000000000000000000&heads=506bf3d83f78c54b89e81c6411adee19fdf02156+525251863cad618e55d483555f3d00a2ca99597e&listkeys=bookmarks&phases=1 x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$ partial-pull (glob)
   $LOCALIP - - [$LOGDATE$] "POST /.git/info/lfs/objects/batch HTTP/1.1" 401 - (glob)
   $LOCALIP - - [$LOGDATE$] "POST /.git/info/lfs/objects/batch HTTP/1.1" 200 - (glob)
   $LOCALIP - - [$LOGDATE$] "GET /.hg/lfs/objects/276f73cfd75f9fb519810df5f5d96d6594ca2521abd86cbcd92122f7d51a1f3d HTTP/1.1" 200 - (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=capabilities HTTP/1.1" 401 - x-hgtest-authtype:Digest (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=capabilities HTTP/1.1" 200 - x-hgtest-authtype:Digest (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=batch HTTP/1.1" 401 - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D525251863cad618e55d483555f3d00a2ca99597e+4d9397055dc0c205f3132f331f36353ab1a525a3 x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$ partial-pull x-hgtest-authtype:Digest (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=batch HTTP/1.1" 200 - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D525251863cad618e55d483555f3d00a2ca99597e+4d9397055dc0c205f3132f331f36353ab1a525a3 x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$ partial-pull x-hgtest-authtype:Digest (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=phases x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$ partial-pull x-hgtest-authtype:Digest (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=phases x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$ partial-pull x-hgtest-authtype:Digest (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$ partial-pull x-hgtest-authtype:Digest (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$ partial-pull x-hgtest-authtype:Digest (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=branchmap HTTP/1.1" 401 - x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$ partial-pull x-hgtest-authtype:Digest (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=branchmap HTTP/1.1" 200 - x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$ partial-pull x-hgtest-authtype:Digest (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$ partial-pull x-hgtest-authtype:Digest (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$ partial-pull x-hgtest-authtype:Digest (glob)
   $LOCALIP - - [$LOGDATE$] "POST /.git/info/lfs/objects/batch HTTP/1.1" 401 - x-hgtest-authtype:Digest (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=capabilities HTTP/1.1" 401 - (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=capabilities HTTP/1.1" 200 - (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=batch HTTP/1.1" 200 - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D525251863cad618e55d483555f3d00a2ca99597e+4d9397055dc0c205f3132f331f36353ab1a525a3 x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$ partial-pull (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=phases x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$ partial-pull (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$ partial-pull (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=branchmap HTTP/1.1" 200 - x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$ partial-pull (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$ partial-pull (glob)
   $LOCALIP - - [$LOGDATE$] "POST /.git/info/lfs/objects/batch HTTP/1.1" 401 - (glob)
   $LOCALIP - - [$LOGDATE$] "POST /.git/info/lfs/objects/batch HTTP/1.1" 200 - (glob)
   $LOCALIP - - [$LOGDATE$] "PUT /.hg/lfs/objects/df14287d8d75f076a6459e7a3703ca583ca9fb3f4918caed10c77ac8622d49b3 HTTP/1.1" 201 - (glob)
   $LOCALIP - - [$LOGDATE$] "POST /?cmd=unbundle HTTP/1.1" 200 - x-hgarg-1:heads=666f726365 x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$ partial-pull (glob)
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=phases x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$ partial-pull (glob)

tests/test-worker.t

@@ -1,130 +1,130 b''
 Test UI worker interaction
 
   $ cat > t.py <<EOF
   > from __future__ import absolute_import, print_function
   > import time
   > from mercurial import (
   >     error,
   >     registrar,
   >     ui as uimod,
   >     worker,
   > )
   > def abort(ui, args):
   >     if args[0] == 0:
   >         # by first worker for test stability
   >         raise error.Abort(b'known exception')
   >     return runme(ui, [])
   > def exc(ui, args):
   >     if args[0] == 0:
   >         # by first worker for test stability
   >         raise Exception('unknown exception')
   >     return runme(ui, [])
   > def runme(ui, args):
   >     for arg in args:
   >         ui.status(b'run\n')
   >         yield 1, arg
   >     time.sleep(0.1) # easier to trigger killworkers code path
   > functable = {
   >     b'abort': abort,
   >     b'exc': exc,
   >     b'runme': runme,
   > }
   > cmdtable = {}
   > command = registrar.command(cmdtable)
   > @command(b'test', [], b'hg test [COST] [FUNC]')
   > def t(ui, repo, cost=1.0, func=b'runme'):
   >     cost = float(cost)
   >     func = functable[func]
   >     ui.status(b'start\n')
   >     runs = worker.worker(ui, cost, func, (ui,), range(8))
   >     for n, i in runs:
   >         pass
   >     ui.status(b'done\n')
   > EOF
   $ abspath=`pwd`/t.py
   $ hg init
 
 Run tests with worker enable by forcing a heigh cost
 
   $ hg --config "extensions.t=$abspath" test 100000.0
   start
   run
   run
   run
   run
   run
   run
   run
   run
   done
 
 Run tests without worker by forcing a low cost
 
   $ hg --config "extensions.t=$abspath" test 0.0000001
   start
   run
   run
   run
   run
   run
   run
   run
   run
   done
 
 #if no-windows
 
 Known exception should be caught, but printed if --traceback is enabled
 
   $ hg --config "extensions.t=$abspath" --config 'worker.numcpus=8' \
   > test 100000.0 abort 2>&1
   start
   abort: known exception
   [255]
 
   $ hg --config "extensions.t=$abspath" --config 'worker.numcpus=8' \
   > test 100000.0 abort --traceback 2>&1 | egrep '(SystemExit|Abort)'
       raise error.Abort(b'known exception')
-  mercurial.error.Abort: b'known exception' (py3 !)
+  mercurial.error.Abort: known exception (py3 !)
   Abort: known exception (no-py3 !)
   SystemExit: 255
 
 Traceback must be printed for unknown exceptions
 
   $ hg --config "extensions.t=$abspath" --config 'worker.numcpus=8' \
   > test 100000.0 exc 2>&1 | grep '^Exception'
   Exception: unknown exception
 
 Workers should not do cleanups in all cases
 
   $ cat > $TESTTMP/detectcleanup.py <<EOF
   > from __future__ import absolute_import
   > import atexit
   > import os
   > import time
   > oldfork = os.fork
   > count = 0
   > parentpid = os.getpid()
   > def delayedfork():
   >     global count
   >     count += 1
   >     pid = oldfork()
   >     # make it easier to test SIGTERM hitting other workers when they have
   >     # not set up error handling yet.
   >     if count > 1 and pid == 0:
   >         time.sleep(0.1)
   >     return pid
   > os.fork = delayedfork
   > def cleanup():
   >     if os.getpid() != parentpid:
   >         os.write(1, 'should never happen\n')
   > atexit.register(cleanup)
   > EOF
 
   $ hg --config "extensions.t=$abspath" --config worker.numcpus=8 --config \
   > "extensions.d=$TESTTMP/detectcleanup.py" test 100000 abort
   start
   abort: known exception
   [255]
 
 #endif