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hg_remote.py
1236 lines | 44.1 KiB | text/x-python | PythonLexer
# RhodeCode VCSServer provides access to different vcs backends via network.
# Copyright (C) 2014-2024 RhodeCode GmbH
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
import binascii
import io
import logging
import stat
import sys
import urllib.request
import urllib.parse
import hashlib
import traceback
from hgext import largefiles, rebase
from mercurial import commands
from mercurial import unionrepo
from mercurial import verify
from mercurial import repair
from mercurial.error import AmbiguousPrefixLookupError
from mercurial.utils.urlutil import path as hg_path
import vcsserver
from vcsserver import exceptions
from vcsserver.base import (
RepoFactory,
obfuscate_qs,
raise_from_original,
store_archive_in_cache,
ArchiveNode,
BytesEnvelope,
BinaryEnvelope,
)
from vcsserver.hgcompat import (
archival,
bin,
clone,
config as hgconfig,
diffopts,
hex,
get_ctx,
hg_url as url_parser,
httpbasicauthhandler,
httpdigestauthhandler,
make_peer,
instance,
match,
memctx,
exchange,
memfilectx,
nullrev,
hg_merge,
patch,
peer,
revrange,
ui,
hg_tag,
Abort,
LookupError,
RepoError,
RepoLookupError,
InterventionRequired,
RequirementError,
alwaysmatcher,
patternmatcher,
hgext_strip,
)
from vcsserver.lib.str_utils import ascii_bytes, ascii_str, safe_str, safe_bytes, convert_to_str
from vcsserver.vcs_base import RemoteBase
from vcsserver.config import hooks as hooks_config
from vcsserver.lib.exc_tracking import format_exc
log = logging.getLogger(__name__)
def make_ui_from_config(repo_config, interactive=True):
class LoggingUI(ui.ui):
def status(self, *msg, **opts):
str_msg = map(safe_str, msg)
log.info(' '.join(str_msg).rstrip('\n'))
#super(LoggingUI, self).status(*msg, **opts)
def warn(self, *msg, **opts):
str_msg = map(safe_str, msg)
log.warning('ui_logger:'+' '.join(str_msg).rstrip('\n'))
#super(LoggingUI, self).warn(*msg, **opts)
def error(self, *msg, **opts):
str_msg = map(safe_str, msg)
log.error('ui_logger:'+' '.join(str_msg).rstrip('\n'))
#super(LoggingUI, self).error(*msg, **opts)
def note(self, *msg, **opts):
str_msg = map(safe_str, msg)
log.info('ui_logger:'+' '.join(str_msg).rstrip('\n'))
#super(LoggingUI, self).note(*msg, **opts)
def debug(self, *msg, **opts):
str_msg = map(safe_str, msg)
log.debug('ui_logger:'+' '.join(str_msg).rstrip('\n'))
#super(LoggingUI, self).debug(*msg, **opts)
baseui = LoggingUI()
# clean the baseui object
baseui._ocfg = hgconfig.config()
baseui._ucfg = hgconfig.config()
baseui._tcfg = hgconfig.config()
for section, option, value in repo_config:
baseui.setconfig(ascii_bytes(section), ascii_bytes(option), ascii_bytes(value))
# make our hgweb quiet so it doesn't print output
baseui.setconfig(b'ui', b'quiet', b'true')
baseui.setconfig(b'ui', b'paginate', b'never')
# for better Error reporting of Mercurial
baseui.setconfig(b'ui', b'message-output', b'stderr')
# force mercurial to only use 1 thread, otherwise it may try to set a
# signal in a non-main thread, thus generating a ValueError.
baseui.setconfig(b'worker', b'numcpus', 1)
# If there is no config for the largefiles extension, we explicitly disable
# it here. This overrides settings from repositories hgrc file. Recent
# mercurial versions enable largefiles in hgrc on clone from largefile
# repo.
if not baseui.hasconfig(b'extensions', b'largefiles'):
log.debug('Explicitly disable largefiles extension for repo.')
baseui.setconfig(b'extensions', b'largefiles', b'!')
baseui.setconfig(b'ui', b'interactive', b'true' if interactive else b'false')
return baseui
def reraise_safe_exceptions(func):
"""Decorator for converting mercurial exceptions to something neutral."""
def wrapper(*args, **kwargs):
try:
return func(*args, **kwargs)
except (Abort, InterventionRequired) as e:
raise_from_original(exceptions.AbortException(e), e)
except RepoLookupError as e:
raise_from_original(exceptions.LookupException(e), e)
except RequirementError as e:
raise_from_original(exceptions.RequirementException(e), e)
except RepoError as e:
raise_from_original(exceptions.VcsException(e), e)
except LookupError as e:
raise_from_original(exceptions.LookupException(e), e)
except Exception as e:
if not hasattr(e, '_vcs_kind'):
log.exception("Unhandled exception in hg remote call")
raise_from_original(exceptions.UnhandledException(e), e)
raise
return wrapper
class MercurialFactory(RepoFactory):
repo_type = 'hg'
def _create_config(self, config, hooks=True):
if not hooks:
hooks_to_clean = {
hooks_config.HOOK_REPO_SIZE,
hooks_config.HOOK_PRE_PULL,
hooks_config.HOOK_PULL,
hooks_config.HOOK_PRE_PUSH,
# TODO: what about PRETXT, this was disabled in pre 5.0.0
hooks_config.HOOK_PRETX_PUSH,
}
new_config = []
for section, option, value in config:
if section == 'hooks' and option in hooks_to_clean:
continue
new_config.append((section, option, value))
config = new_config
baseui = make_ui_from_config(config)
return baseui
def _create_repo(self, wire, create):
baseui = self._create_config(wire["config"])
repo = instance(baseui, safe_bytes(wire["path"]), create)
log.debug('repository created: got HG object: %s', repo)
return repo
def repo(self, wire, create=False):
"""
Get a repository instance for the given path.
"""
return self._create_repo(wire, create)
def patch_ui_message_output(baseui):
baseui.setconfig(b'ui', b'quiet', b'false')
output = io.BytesIO()
def write(data, **unused_kwargs):
output.write(data)
baseui.status = write
baseui.write = write
baseui.warn = write
baseui.debug = write
return baseui, output
def get_obfuscated_url(url_obj):
url_obj.passwd = b'*****' if url_obj.passwd else url_obj.passwd
url_obj.query = obfuscate_qs(url_obj.query)
obfuscated_uri = str(url_obj)
return obfuscated_uri
def normalize_url_for_hg(url: str):
_proto = None
if '+' in url[:url.find('://')]:
_proto = url[0:url.find('+')]
url = url[url.find('+') + 1:]
return url, _proto
class HgRemote(RemoteBase):
def __init__(self, factory):
self._factory = factory
self._bulk_methods = {
"affected_files": self.ctx_files,
"author": self.ctx_user,
"branch": self.ctx_branch,
"children": self.ctx_children,
"date": self.ctx_date,
"message": self.ctx_description,
"parents": self.ctx_parents,
"status": self.ctx_status,
"obsolete": self.ctx_obsolete,
"phase": self.ctx_phase,
"hidden": self.ctx_hidden,
"_file_paths": self.ctx_list,
}
self._bulk_file_methods = {
"size": self.fctx_size,
"data": self.fctx_node_data,
"flags": self.fctx_flags,
"is_binary": self.is_binary,
"md5": self.md5_hash,
}
def _get_ctx(self, repo, ref):
return get_ctx(repo, ref)
@reraise_safe_exceptions
def discover_hg_version(self):
from mercurial import util
return safe_str(util.version())
@reraise_safe_exceptions
def is_empty(self, wire):
repo = self._factory.repo(wire)
try:
return len(repo) == 0
except Exception:
log.exception("failed to read object_store")
return False
@reraise_safe_exceptions
def bookmarks(self, wire):
cache_on, context_uid, repo_id = self._cache_on(wire)
region = self._region(wire)
@region.conditional_cache_on_arguments(condition=cache_on)
def _bookmarks(_context_uid, _repo_id):
repo = self._factory.repo(wire)
return {safe_str(name): ascii_str(hex(sha)) for name, sha in repo._bookmarks.items()}
return _bookmarks(context_uid, repo_id)
@reraise_safe_exceptions
def branches(self, wire, normal, closed):
cache_on, context_uid, repo_id = self._cache_on(wire)
region = self._region(wire)
@region.conditional_cache_on_arguments(condition=cache_on)
def _branches(_context_uid, _repo_id, _normal, _closed):
repo = self._factory.repo(wire)
iter_branches = repo.branchmap().iterbranches()
bt = {}
for branch_name, _heads, tip_node, is_closed in iter_branches:
if normal and not is_closed:
bt[safe_str(branch_name)] = ascii_str(hex(tip_node))
if closed and is_closed:
bt[safe_str(branch_name)] = ascii_str(hex(tip_node))
return bt
return _branches(context_uid, repo_id, normal, closed)
@reraise_safe_exceptions
def bulk_request(self, wire, commit_id, pre_load):
cache_on, context_uid, repo_id = self._cache_on(wire)
region = self._region(wire)
@region.conditional_cache_on_arguments(condition=cache_on)
def _bulk_request(_repo_id, _commit_id, _pre_load):
result = {}
for attr in pre_load:
try:
method = self._bulk_methods[attr]
wire.update({'cache': False}) # disable cache for bulk calls so we don't double cache
result[attr] = method(wire, commit_id)
except KeyError as e:
raise exceptions.VcsException(e)(
f'Unknown bulk attribute: "{attr}"')
return result
return _bulk_request(repo_id, commit_id, sorted(pre_load))
@reraise_safe_exceptions
def ctx_branch(self, wire, commit_id):
cache_on, context_uid, repo_id = self._cache_on(wire)
region = self._region(wire)
@region.conditional_cache_on_arguments(condition=cache_on)
def _ctx_branch(_repo_id, _commit_id):
repo = self._factory.repo(wire)
ctx = self._get_ctx(repo, commit_id)
return ctx.branch()
return _ctx_branch(repo_id, commit_id)
@reraise_safe_exceptions
def ctx_date(self, wire, commit_id):
cache_on, context_uid, repo_id = self._cache_on(wire)
region = self._region(wire)
@region.conditional_cache_on_arguments(condition=cache_on)
def _ctx_date(_repo_id, _commit_id):
repo = self._factory.repo(wire)
ctx = self._get_ctx(repo, commit_id)
return ctx.date()
return _ctx_date(repo_id, commit_id)
@reraise_safe_exceptions
def ctx_description(self, wire, revision):
repo = self._factory.repo(wire)
ctx = self._get_ctx(repo, revision)
return ctx.description()
@reraise_safe_exceptions
def ctx_files(self, wire, commit_id):
cache_on, context_uid, repo_id = self._cache_on(wire)
region = self._region(wire)
@region.conditional_cache_on_arguments(condition=cache_on)
def _ctx_files(_repo_id, _commit_id):
repo = self._factory.repo(wire)
ctx = self._get_ctx(repo, commit_id)
return ctx.files()
return _ctx_files(repo_id, commit_id)
@reraise_safe_exceptions
def ctx_list(self, path, revision):
repo = self._factory.repo(path)
ctx = self._get_ctx(repo, revision)
return list(ctx)
@reraise_safe_exceptions
def ctx_parents(self, wire, commit_id):
cache_on, context_uid, repo_id = self._cache_on(wire)
region = self._region(wire)
@region.conditional_cache_on_arguments(condition=cache_on)
def _ctx_parents(_repo_id, _commit_id):
repo = self._factory.repo(wire)
ctx = self._get_ctx(repo, commit_id)
return [parent.hex() for parent in ctx.parents()
if not (parent.hidden() or parent.obsolete())]
return _ctx_parents(repo_id, commit_id)
@reraise_safe_exceptions
def ctx_children(self, wire, commit_id):
cache_on, context_uid, repo_id = self._cache_on(wire)
region = self._region(wire)
@region.conditional_cache_on_arguments(condition=cache_on)
def _ctx_children(_repo_id, _commit_id):
repo = self._factory.repo(wire)
ctx = self._get_ctx(repo, commit_id)
return [child.hex() for child in ctx.children()
if not (child.hidden() or child.obsolete())]
return _ctx_children(repo_id, commit_id)
@reraise_safe_exceptions
def ctx_phase(self, wire, commit_id):
cache_on, context_uid, repo_id = self._cache_on(wire)
region = self._region(wire)
@region.conditional_cache_on_arguments(condition=cache_on)
def _ctx_phase(_context_uid, _repo_id, _commit_id):
repo = self._factory.repo(wire)
ctx = self._get_ctx(repo, commit_id)
# public=0, draft=1, secret=3
return ctx.phase()
return _ctx_phase(context_uid, repo_id, commit_id)
@reraise_safe_exceptions
def ctx_obsolete(self, wire, commit_id):
cache_on, context_uid, repo_id = self._cache_on(wire)
region = self._region(wire)
@region.conditional_cache_on_arguments(condition=cache_on)
def _ctx_obsolete(_context_uid, _repo_id, _commit_id):
repo = self._factory.repo(wire)
ctx = self._get_ctx(repo, commit_id)
return ctx.obsolete()
return _ctx_obsolete(context_uid, repo_id, commit_id)
@reraise_safe_exceptions
def ctx_hidden(self, wire, commit_id):
cache_on, context_uid, repo_id = self._cache_on(wire)
region = self._region(wire)
@region.conditional_cache_on_arguments(condition=cache_on)
def _ctx_hidden(_context_uid, _repo_id, _commit_id):
repo = self._factory.repo(wire)
ctx = self._get_ctx(repo, commit_id)
return ctx.hidden()
return _ctx_hidden(context_uid, repo_id, commit_id)
@reraise_safe_exceptions
def ctx_substate(self, wire, revision):
repo = self._factory.repo(wire)
ctx = self._get_ctx(repo, revision)
return ctx.substate
@reraise_safe_exceptions
def ctx_status(self, wire, revision):
repo = self._factory.repo(wire)
ctx = self._get_ctx(repo, revision)
status = repo[ctx.p1().node()].status(other=ctx.node())
# object of status (odd, custom named tuple in mercurial) is not
# correctly serializable, we make it a list, as the underling
# API expects this to be a list
return list(status)
@reraise_safe_exceptions
def ctx_user(self, wire, revision):
repo = self._factory.repo(wire)
ctx = self._get_ctx(repo, revision)
return ctx.user()
@reraise_safe_exceptions
def check_url(self, url, config):
url, _proto = normalize_url_for_hg(url)
url_obj = url_parser(safe_bytes(url))
test_uri = safe_str(url_obj.authinfo()[0])
authinfo = url_obj.authinfo()[1]
obfuscated_uri = get_obfuscated_url(url_obj)
log.info("Checking URL for remote cloning/import: %s", obfuscated_uri)
handlers = []
if authinfo:
# create a password manager
passmgr = urllib.request.HTTPPasswordMgrWithDefaultRealm()
passmgr.add_password(*convert_to_str(authinfo))
handlers.extend((httpbasicauthhandler(passmgr),
httpdigestauthhandler(passmgr)))
o = urllib.request.build_opener(*handlers)
o.addheaders = [('Content-Type', 'application/mercurial-0.1'),
('Accept', 'application/mercurial-0.1')]
q = {"cmd": 'between'}
q.update({'pairs': "{}-{}".format('0' * 40, '0' * 40)})
qs = f'?{urllib.parse.urlencode(q)}'
cu = f"{test_uri}{qs}"
try:
req = urllib.request.Request(cu, None, {})
log.debug("Trying to open URL %s", obfuscated_uri)
resp = o.open(req)
if resp.code != 200:
raise exceptions.URLError()('Return Code is not 200')
except Exception as e:
log.warning("URL cannot be opened: %s", obfuscated_uri, exc_info=True)
# means it cannot be cloned
raise exceptions.URLError(e)(f"[{obfuscated_uri}] org_exc: {e}")
# now check if it's a proper hg repo, but don't do it for svn
try:
if _proto == 'svn':
pass
else:
# check for pure hg repos
log.debug(
"Verifying if URL is a Mercurial repository: %s", obfuscated_uri)
# Create repo path with custom mercurial path object
ui = make_ui_from_config(config, interactive=False)
repo_path = hg_path(ui=ui, rawloc=safe_bytes(url))
peer_checker = make_peer(ui, repo_path, False)
peer_checker.lookup(b'tip')
except Exception as e:
log.warning("URL is not a valid Mercurial repository: %s",
obfuscated_uri)
raise exceptions.URLError(e)(
f"url [{obfuscated_uri}] does not look like an hg repo org_exc: {e}")
log.info("URL is a valid Mercurial repository: %s", obfuscated_uri)
return True
@reraise_safe_exceptions
def diff(self, wire, commit_id_1, commit_id_2, file_filter, opt_git, opt_ignorews, context):
repo = self._factory.repo(wire)
if file_filter:
# unpack the file-filter
repo_path, node_path = file_filter
match_filter = match(safe_bytes(repo_path), b'', [safe_bytes(node_path)])
else:
match_filter = file_filter
opts = diffopts(git=opt_git, ignorews=opt_ignorews, context=context, showfunc=1)
try:
diff_iter = patch.diff(
repo, node1=commit_id_1, node2=commit_id_2, match=match_filter, opts=opts)
return BytesEnvelope(b"".join(diff_iter))
except RepoLookupError as e:
raise exceptions.LookupException(e)()
@reraise_safe_exceptions
def node_history(self, wire, revision, path, limit):
cache_on, context_uid, repo_id = self._cache_on(wire)
region = self._region(wire)
@region.conditional_cache_on_arguments(condition=cache_on)
def _node_history(_context_uid, _repo_id, _revision, _path, _limit):
repo = self._factory.repo(wire)
ctx = self._get_ctx(repo, revision)
fctx = ctx.filectx(safe_bytes(path))
def history_iter():
limit_rev = fctx.rev()
for fctx_candidate in reversed(list(fctx.filelog())):
f_obj = fctx.filectx(fctx_candidate)
# NOTE: This can be problematic...we can hide ONLY history node resulting in empty history
_ctx = f_obj.changectx()
if _ctx.hidden() or _ctx.obsolete():
continue
if limit_rev >= f_obj.rev():
yield f_obj
history = []
for cnt, obj in enumerate(history_iter()):
if limit and cnt >= limit:
break
history.append(hex(obj.node()))
return [x for x in history]
return _node_history(context_uid, repo_id, revision, path, limit)
@reraise_safe_exceptions
def node_history_until(self, wire, revision, path, limit):
cache_on, context_uid, repo_id = self._cache_on(wire)
region = self._region(wire)
@region.conditional_cache_on_arguments(condition=cache_on)
def _node_history_until(_context_uid, _repo_id):
repo = self._factory.repo(wire)
ctx = self._get_ctx(repo, revision)
fctx = ctx.filectx(safe_bytes(path))
file_log = list(fctx.filelog())
if limit:
# Limit to the last n items
file_log = file_log[-limit:]
return [hex(fctx.filectx(cs).node()) for cs in reversed(file_log)]
return _node_history_until(context_uid, repo_id, revision, path, limit)
@reraise_safe_exceptions
def bulk_file_request(self, wire, commit_id, path, pre_load):
cache_on, context_uid, repo_id = self._cache_on(wire)
region = self._region(wire)
@region.conditional_cache_on_arguments(condition=cache_on)
def _bulk_file_request(_repo_id, _commit_id, _path, _pre_load):
result = {}
for attr in pre_load:
try:
method = self._bulk_file_methods[attr]
wire.update({'cache': False}) # disable cache for bulk calls so we don't double cache
result[attr] = method(wire, _commit_id, _path)
except KeyError as e:
raise exceptions.VcsException(e)(f'Unknown bulk attribute: "{attr}"')
return result
return BinaryEnvelope(_bulk_file_request(repo_id, commit_id, path, sorted(pre_load)))
@reraise_safe_exceptions
def fctx_annotate(self, wire, revision, path):
repo = self._factory.repo(wire)
ctx = self._get_ctx(repo, revision)
fctx = ctx.filectx(safe_bytes(path))
result = []
for i, annotate_obj in enumerate(fctx.annotate(), 1):
ln_no = i
sha = hex(annotate_obj.fctx.node())
content = annotate_obj.text
result.append((ln_no, ascii_str(sha), content))
return BinaryEnvelope(result)
@reraise_safe_exceptions
def fctx_node_data(self, wire, revision, path):
repo = self._factory.repo(wire)
ctx = self._get_ctx(repo, revision)
fctx = ctx.filectx(safe_bytes(path))
return BytesEnvelope(fctx.data())
@reraise_safe_exceptions
def fctx_flags(self, wire, commit_id, path):
cache_on, context_uid, repo_id = self._cache_on(wire)
region = self._region(wire)
@region.conditional_cache_on_arguments(condition=cache_on)
def _fctx_flags(_repo_id, _commit_id, _path):
repo = self._factory.repo(wire)
ctx = self._get_ctx(repo, commit_id)
fctx = ctx.filectx(safe_bytes(path))
return fctx.flags()
return _fctx_flags(repo_id, commit_id, path)
@reraise_safe_exceptions
def fctx_size(self, wire, commit_id, path):
cache_on, context_uid, repo_id = self._cache_on(wire)
region = self._region(wire)
@region.conditional_cache_on_arguments(condition=cache_on)
def _fctx_size(_repo_id, _revision, _path):
repo = self._factory.repo(wire)
ctx = self._get_ctx(repo, commit_id)
fctx = ctx.filectx(safe_bytes(path))
return fctx.size()
return _fctx_size(repo_id, commit_id, path)
@reraise_safe_exceptions
def get_all_commit_ids(self, wire, name):
cache_on, context_uid, repo_id = self._cache_on(wire)
region = self._region(wire)
@region.conditional_cache_on_arguments(condition=cache_on)
def _get_all_commit_ids(_context_uid, _repo_id, _name):
repo = self._factory.repo(wire)
revs = [ascii_str(repo[x].hex()) for x in repo.filtered(b'visible').changelog.revs()]
return revs
return _get_all_commit_ids(context_uid, repo_id, name)
@reraise_safe_exceptions
def get_config_value(self, wire, section, name, untrusted=False):
repo = self._factory.repo(wire)
return repo.ui.config(ascii_bytes(section), ascii_bytes(name), untrusted=untrusted)
@reraise_safe_exceptions
def is_large_file(self, wire, commit_id, path):
cache_on, context_uid, repo_id = self._cache_on(wire)
region = self._region(wire)
@region.conditional_cache_on_arguments(condition=cache_on)
def _is_large_file(_context_uid, _repo_id, _commit_id, _path):
return largefiles.lfutil.isstandin(safe_bytes(path))
return _is_large_file(context_uid, repo_id, commit_id, path)
@reraise_safe_exceptions
def is_binary(self, wire, revision, path):
cache_on, context_uid, repo_id = self._cache_on(wire)
region = self._region(wire)
@region.conditional_cache_on_arguments(condition=cache_on)
def _is_binary(_repo_id, _sha, _path):
repo = self._factory.repo(wire)
ctx = self._get_ctx(repo, revision)
fctx = ctx.filectx(safe_bytes(path))
return fctx.isbinary()
return _is_binary(repo_id, revision, path)
@reraise_safe_exceptions
def md5_hash(self, wire, revision, path):
cache_on, context_uid, repo_id = self._cache_on(wire)
region = self._region(wire)
@region.conditional_cache_on_arguments(condition=cache_on)
def _md5_hash(_repo_id, _sha, _path):
repo = self._factory.repo(wire)
ctx = self._get_ctx(repo, revision)
fctx = ctx.filectx(safe_bytes(path))
return hashlib.md5(fctx.data()).hexdigest()
return _md5_hash(repo_id, revision, path)
@reraise_safe_exceptions
def in_largefiles_store(self, wire, sha):
repo = self._factory.repo(wire)
return largefiles.lfutil.instore(repo, sha)
@reraise_safe_exceptions
def in_user_cache(self, wire, sha):
repo = self._factory.repo(wire)
return largefiles.lfutil.inusercache(repo.ui, sha)
@reraise_safe_exceptions
def store_path(self, wire, sha):
repo = self._factory.repo(wire)
return largefiles.lfutil.storepath(repo, sha)
@reraise_safe_exceptions
def link(self, wire, sha, path):
repo = self._factory.repo(wire)
largefiles.lfutil.link(
largefiles.lfutil.usercachepath(repo.ui, sha), path)
@reraise_safe_exceptions
def localrepository(self, wire, create=False):
self._factory.repo(wire, create=create)
@reraise_safe_exceptions
def assert_correct_path(self, wire):
cache_on, context_uid, repo_id = self._cache_on(wire)
region = self._region(wire)
@region.conditional_cache_on_arguments(condition=cache_on)
def _assert_correct_path(_context_uid, _repo_id):
try:
self._factory.repo(wire, create=False)
except Exception:
path = wire.get('path')
tb = traceback.format_exc()
log.debug("Invalid Mercurial path `%s`, tb: %s", path, tb)
return False
return True
return _assert_correct_path(context_uid, repo_id)
@reraise_safe_exceptions
def lookup(self, wire, revision, both):
cache_on, context_uid, repo_id = self._cache_on(wire)
region = self._region(wire)
@region.conditional_cache_on_arguments(condition=cache_on)
def _lookup(_context_uid, _repo_id, _revision, _both):
repo = self._factory.repo(wire)
rev = _revision
if isinstance(rev, int):
# NOTE(marcink):
# since Mercurial doesn't support negative indexes properly
# we need to shift accordingly by one to get proper index, e.g
# repo[-1] => repo[-2]
# repo[0] => repo[-1]
if rev <= 0:
rev = rev + -1
try:
ctx = self._get_ctx(repo, rev)
except AmbiguousPrefixLookupError:
e = RepoLookupError(rev)
e._org_exc_tb = format_exc(sys.exc_info())
raise exceptions.LookupException(e)(rev)
except (TypeError, RepoLookupError, binascii.Error) as e:
e._org_exc_tb = format_exc(sys.exc_info())
raise exceptions.LookupException(e)(rev)
except LookupError as e:
e._org_exc_tb = format_exc(sys.exc_info())
raise exceptions.LookupException(e)(e.name)
if not both:
return ctx.hex()
ctx = repo[ctx.hex()]
return ctx.hex(), ctx.rev()
return _lookup(context_uid, repo_id, revision, both)
@reraise_safe_exceptions
def sync_push(self, wire, url):
if not self.check_url(url, wire['config']):
return
repo = self._factory.repo(wire)
# Disable any prompts for this repo
repo.ui.setconfig(b'ui', b'interactive', b'false', b'-y')
bookmarks = list(dict(repo._bookmarks).keys())
remote = peer(repo, {}, safe_bytes(url))
# Disable any prompts for this remote
remote.ui.setconfig(b'ui', b'interactive', b'false', b'-y')
return exchange.push(
repo, remote, newbranch=True, bookmarks=bookmarks).cgresult
@reraise_safe_exceptions
def revision(self, wire, rev):
repo = self._factory.repo(wire)
ctx = self._get_ctx(repo, rev)
return ctx.rev()
@reraise_safe_exceptions
def rev_range(self, wire, commit_filter):
cache_on, context_uid, repo_id = self._cache_on(wire)
region = self._region(wire)
@region.conditional_cache_on_arguments(condition=cache_on)
def _rev_range(_context_uid, _repo_id, _filter):
repo = self._factory.repo(wire)
revisions = [
ascii_str(repo[rev].hex())
for rev in revrange(repo, list(map(ascii_bytes, commit_filter)))
]
return revisions
return _rev_range(context_uid, repo_id, sorted(commit_filter))
@reraise_safe_exceptions
def rev_range_hash(self, wire, node):
repo = self._factory.repo(wire)
def get_revs(repo, rev_opt):
if rev_opt:
revs = revrange(repo, rev_opt)
if len(revs) == 0:
return (nullrev, nullrev)
return max(revs), min(revs)
else:
return len(repo) - 1, 0
stop, start = get_revs(repo, [node + ':'])
revs = [ascii_str(repo[r].hex()) for r in range(start, stop + 1)]
return revs
@reraise_safe_exceptions
def revs_from_revspec(self, wire, rev_spec, *args, **kwargs):
org_path = safe_bytes(wire["path"])
other_path = safe_bytes(kwargs.pop('other_path', ''))
# case when we want to compare two independent repositories
if other_path and other_path != wire["path"]:
baseui = self._factory._create_config(wire["config"])
repo = unionrepo.makeunionrepository(baseui, other_path, org_path)
else:
repo = self._factory.repo(wire)
return list(repo.revs(rev_spec, *args))
@reraise_safe_exceptions
def verify(self, wire,):
repo = self._factory.repo(wire)
baseui = self._factory._create_config(wire['config'])
baseui, output = patch_ui_message_output(baseui)
repo.ui = baseui
verify.verify(repo)
return output.getvalue()
@reraise_safe_exceptions
def hg_update_cache(self, wire,):
repo = self._factory.repo(wire)
baseui = self._factory._create_config(wire['config'])
baseui, output = patch_ui_message_output(baseui)
repo.ui = baseui
with repo.wlock(), repo.lock():
repo.updatecaches(full=True)
return output.getvalue()
@reraise_safe_exceptions
def hg_rebuild_fn_cache(self, wire,):
repo = self._factory.repo(wire)
baseui = self._factory._create_config(wire['config'])
baseui, output = patch_ui_message_output(baseui)
repo.ui = baseui
repair.rebuildfncache(baseui, repo)
return output.getvalue()
@reraise_safe_exceptions
def tags(self, wire):
cache_on, context_uid, repo_id = self._cache_on(wire)
region = self._region(wire)
@region.conditional_cache_on_arguments(condition=cache_on)
def _tags(_context_uid, _repo_id):
repo = self._factory.repo(wire)
return {safe_str(name): ascii_str(hex(sha)) for name, sha in repo.tags().items()}
return _tags(context_uid, repo_id)
@reraise_safe_exceptions
def update(self, wire, node='', clean=False):
repo = self._factory.repo(wire)
baseui = self._factory._create_config(wire['config'])
node = safe_bytes(node)
commands.update(baseui, repo, node=node, clean=clean)
@reraise_safe_exceptions
def identify(self, wire):
repo = self._factory.repo(wire)
baseui = self._factory._create_config(wire['config'])
output = io.BytesIO()
baseui.write = output.write
# This is required to get a full node id
baseui.debugflag = True
commands.identify(baseui, repo, id=True)
return output.getvalue()
@reraise_safe_exceptions
def heads(self, wire, branch=None):
repo = self._factory.repo(wire)
baseui = self._factory._create_config(wire['config'])
output = io.BytesIO()
def write(data, **unused_kwargs):
output.write(data)
baseui.write = write
if branch:
args = [safe_bytes(branch)]
else:
args = []
commands.heads(baseui, repo, template=b'{node} ', *args)
return output.getvalue()
@reraise_safe_exceptions
def ancestor(self, wire, revision1, revision2):
repo = self._factory.repo(wire)
changelog = repo.changelog
lookup = repo.lookup
a = changelog.ancestor(lookup(safe_bytes(revision1)), lookup(safe_bytes(revision2)))
return hex(a)
@reraise_safe_exceptions
def clone(self, wire, source, dest, update_after_clone=False, hooks=True):
baseui = self._factory._create_config(wire["config"], hooks=hooks)
clone(baseui, safe_bytes(source), safe_bytes(dest), noupdate=not update_after_clone)
@reraise_safe_exceptions
def commitctx(self, wire, message, parents, commit_time, commit_timezone, user, files, extra, removed, updated):
repo = self._factory.repo(wire)
baseui = self._factory._create_config(wire['config'])
publishing = baseui.configbool(b'phases', b'publish')
def _filectxfn(_repo, ctx, path: bytes):
"""
Marks given path as added/changed/removed in a given _repo. This is
for internal mercurial commit function.
"""
# check if this path is removed
if safe_str(path) in removed:
# returning None is a way to mark node for removal
return None
# check if this path is added
for node in updated:
if safe_bytes(node['path']) == path:
return memfilectx(
_repo,
changectx=ctx,
path=safe_bytes(node['path']),
data=safe_bytes(node['content']),
islink=False,
isexec=bool(node['mode'] & stat.S_IXUSR),
copysource=False)
abort_exc = exceptions.AbortException()
raise abort_exc(f"Given path haven't been marked as added, changed or removed ({path})")
if publishing:
new_commit_phase = b'public'
else:
new_commit_phase = b'draft'
with repo.ui.configoverride({(b'phases', b'new-commit'): new_commit_phase}):
kwargs = {safe_bytes(k): safe_bytes(v) for k, v in extra.items()}
commit_ctx = memctx(
repo=repo,
parents=parents,
text=safe_bytes(message),
files=[safe_bytes(x) for x in files],
filectxfn=_filectxfn,
user=safe_bytes(user),
date=(commit_time, commit_timezone),
extra=kwargs)
n = repo.commitctx(commit_ctx)
new_id = hex(n)
return new_id
@reraise_safe_exceptions
def pull(self, wire, url, commit_ids=None):
repo = self._factory.repo(wire)
# Disable any prompts for this repo
repo.ui.setconfig(b'ui', b'interactive', b'false', b'-y')
remote = peer(repo, {}, safe_bytes(url))
# Disable any prompts for this remote
remote.ui.setconfig(b'ui', b'interactive', b'false', b'-y')
if commit_ids:
commit_ids = [bin(commit_id) for commit_id in commit_ids]
return exchange.pull(
repo, remote, heads=commit_ids, force=None).cgresult
@reraise_safe_exceptions
def pull_cmd(self, wire, source, bookmark='', branch='', revision='', hooks=True):
repo = self._factory.repo(wire)
baseui = self._factory._create_config(wire['config'], hooks=hooks)
source = safe_bytes(source)
# Mercurial internally has a lot of logic that checks ONLY if
# option is defined, we just pass those if they are defined then
opts = {"remote_hidden": False}
if bookmark:
opts['bookmark'] = [safe_bytes(x) for x in bookmark] \
if isinstance(bookmark, list) else safe_bytes(bookmark)
if branch:
opts['branch'] = [safe_bytes(x) for x in branch] \
if isinstance(branch, list) else safe_bytes(branch)
if revision:
opts['rev'] = [safe_bytes(x) for x in revision] \
if isinstance(revision, list) else safe_bytes(revision)
commands.pull(baseui, repo, source, **opts)
@reraise_safe_exceptions
def push(self, wire, revisions, dest_path, hooks: bool = True, push_branches: bool = False):
repo = self._factory.repo(wire)
baseui = self._factory._create_config(wire['config'], hooks=hooks)
revisions = [safe_bytes(x) for x in revisions] \
if isinstance(revisions, list) else safe_bytes(revisions)
commands.push(baseui, repo, safe_bytes(dest_path),
rev=revisions,
new_branch=push_branches)
@reraise_safe_exceptions
def strip(self, wire, revision, update, backup):
repo = self._factory.repo(wire)
ctx = self._get_ctx(repo, revision)
hgext_strip.strip(
repo.baseui, repo, ctx.node(), update=update, backup=backup)
@reraise_safe_exceptions
def get_unresolved_files(self, wire):
repo = self._factory.repo(wire)
log.debug('Calculating unresolved files for repo: %s', repo)
output = io.BytesIO()
def write(data, **unused_kwargs):
output.write(data)
baseui = self._factory._create_config(wire['config'])
baseui.write = write
commands.resolve(baseui, repo, list=True)
unresolved = output.getvalue().splitlines(0)
return unresolved
@reraise_safe_exceptions
def merge(self, wire, revision):
repo = self._factory.repo(wire)
baseui = self._factory._create_config(wire['config'])
repo.ui.setconfig(b'ui', b'merge', b'internal:dump')
# In case of sub repositories are used mercurial prompts the user in
# case of merge conflicts or different sub repository sources. By
# setting the interactive flag to `False` mercurial doesn't prompt the
# used but instead uses a default value.
repo.ui.setconfig(b'ui', b'interactive', b'false')
commands.merge(baseui, repo, rev=safe_bytes(revision))
@reraise_safe_exceptions
def merge_state(self, wire):
repo = self._factory.repo(wire)
repo.ui.setconfig(b'ui', b'merge', b'internal:dump')
# In case of sub repositories are used mercurial prompts the user in
# case of merge conflicts or different sub repository sources. By
# setting the interactive flag to `False` mercurial doesn't prompt the
# used but instead uses a default value.
repo.ui.setconfig(b'ui', b'interactive', b'false')
ms = hg_merge.mergestate(repo)
return [x for x in ms.unresolved()]
@reraise_safe_exceptions
def commit(self, wire, message, username, close_branch=False):
repo = self._factory.repo(wire)
baseui = self._factory._create_config(wire['config'])
repo.ui.setconfig(b'ui', b'username', safe_bytes(username))
commands.commit(baseui, repo, message=safe_bytes(message), close_branch=close_branch)
@reraise_safe_exceptions
def rebase(self, wire, source='', dest='', abort=False):
repo = self._factory.repo(wire)
baseui = self._factory._create_config(wire['config'])
repo.ui.setconfig(b'ui', b'merge', b'internal:dump')
# In case of sub repositories are used mercurial prompts the user in
# case of merge conflicts or different sub repository sources. By
# setting the interactive flag to `False` mercurial doesn't prompt the
# used but instead uses a default value.
repo.ui.setconfig(b'ui', b'interactive', b'false')
rebase_kws = dict(
keep=not abort,
abort=abort
)
if source:
source = repo[source]
rebase_kws['base'] = [source.hex()]
if dest:
dest = repo[dest]
rebase_kws['dest'] = dest.hex()
rebase.rebase(baseui, repo, **rebase_kws)
@reraise_safe_exceptions
def tag(self, wire, name, revision, message, local, user, tag_time, tag_timezone):
repo = self._factory.repo(wire)
ctx = self._get_ctx(repo, revision)
node = ctx.node()
date = (tag_time, tag_timezone)
try:
hg_tag.tag(repo, safe_bytes(name), node, safe_bytes(message), local, safe_bytes(user), date)
except Abort as e:
log.exception("Tag operation aborted")
# Exception can contain unicode which we convert
raise exceptions.AbortException(e)(repr(e))
@reraise_safe_exceptions
def bookmark(self, wire, bookmark, revision=''):
repo = self._factory.repo(wire)
baseui = self._factory._create_config(wire['config'])
revision = revision or ''
commands.bookmark(baseui, repo, safe_bytes(bookmark), rev=safe_bytes(revision), force=True)
@reraise_safe_exceptions
def install_hooks(self, wire, force=False):
# we don't need any special hooks for Mercurial
pass
@reraise_safe_exceptions
def get_hooks_info(self, wire):
return {
'pre_version': vcsserver.get_version(),
'post_version': vcsserver.get_version(),
}
@reraise_safe_exceptions
def set_head_ref(self, wire, head_name):
pass
@reraise_safe_exceptions
def archive_repo(self, wire, archive_name_key, kind, mtime, archive_at_path,
archive_dir_name, commit_id, cache_config):
def file_walker(_commit_id, path):
repo = self._factory.repo(wire)
ctx = repo[_commit_id]
is_root = path in ['', '/']
if is_root:
matcher = alwaysmatcher(badfn=None)
else:
matcher = patternmatcher('', [(b'glob', safe_bytes(path)+b'/**', b'')], badfn=None)
file_iter = ctx.manifest().walk(matcher)
for fn in file_iter:
file_path = fn
flags = ctx.flags(fn)
mode = b'x' in flags and 0o755 or 0o644
is_link = b'l' in flags
yield ArchiveNode(file_path, mode, is_link, ctx[fn].data)
return store_archive_in_cache(
file_walker, archive_name_key, kind, mtime, archive_at_path, archive_dir_name, commit_id, cache_config=cache_config)