|
|
# Copyright 2016-present Facebook. All Rights Reserved.
|
|
|
#
|
|
|
# context: context needed to annotate a file
|
|
|
#
|
|
|
# This software may be used and distributed according to the terms of the
|
|
|
# GNU General Public License version 2 or any later version.
|
|
|
|
|
|
|
|
|
import collections
|
|
|
import contextlib
|
|
|
import os
|
|
|
|
|
|
from mercurial.i18n import _
|
|
|
from mercurial.pycompat import (
|
|
|
getattr,
|
|
|
open,
|
|
|
setattr,
|
|
|
)
|
|
|
from mercurial.node import (
|
|
|
bin,
|
|
|
hex,
|
|
|
short,
|
|
|
)
|
|
|
from mercurial import (
|
|
|
error,
|
|
|
linelog as linelogmod,
|
|
|
lock as lockmod,
|
|
|
mdiff,
|
|
|
pycompat,
|
|
|
scmutil,
|
|
|
util,
|
|
|
)
|
|
|
from mercurial.utils import (
|
|
|
hashutil,
|
|
|
stringutil,
|
|
|
)
|
|
|
|
|
|
from . import (
|
|
|
error as faerror,
|
|
|
revmap as revmapmod,
|
|
|
)
|
|
|
|
|
|
# given path, get filelog, cached
|
|
|
@util.lrucachefunc
|
|
|
def _getflog(repo, path):
|
|
|
return repo.file(path)
|
|
|
|
|
|
|
|
|
# extracted from mercurial.context.basefilectx.annotate
|
|
|
def _parents(f, follow=True):
|
|
|
# Cut _descendantrev here to mitigate the penalty of lazy linkrev
|
|
|
# adjustment. Otherwise, p._adjustlinkrev() would walk changelog
|
|
|
# from the topmost introrev (= srcrev) down to p.linkrev() if it
|
|
|
# isn't an ancestor of the srcrev.
|
|
|
f._changeid
|
|
|
pl = f.parents()
|
|
|
|
|
|
# Don't return renamed parents if we aren't following.
|
|
|
if not follow:
|
|
|
pl = [p for p in pl if p.path() == f.path()]
|
|
|
|
|
|
# renamed filectx won't have a filelog yet, so set it
|
|
|
# from the cache to save time
|
|
|
for p in pl:
|
|
|
if not '_filelog' in p.__dict__:
|
|
|
p._filelog = _getflog(f._repo, p.path())
|
|
|
|
|
|
return pl
|
|
|
|
|
|
|
|
|
# extracted from mercurial.context.basefilectx.annotate. slightly modified
|
|
|
# so it takes a fctx instead of a pair of text and fctx.
|
|
|
def _decorate(fctx):
|
|
|
text = fctx.data()
|
|
|
linecount = text.count(b'\n')
|
|
|
if text and not text.endswith(b'\n'):
|
|
|
linecount += 1
|
|
|
return ([(fctx, i) for i in range(linecount)], text)
|
|
|
|
|
|
|
|
|
# extracted from mercurial.context.basefilectx.annotate. slightly modified
|
|
|
# so it takes an extra "blocks" parameter calculated elsewhere, instead of
|
|
|
# calculating diff here.
|
|
|
def _pair(parent, child, blocks):
|
|
|
for (a1, a2, b1, b2), t in blocks:
|
|
|
# Changed blocks ('!') or blocks made only of blank lines ('~')
|
|
|
# belong to the child.
|
|
|
if t == b'=':
|
|
|
child[0][b1:b2] = parent[0][a1:a2]
|
|
|
return child
|
|
|
|
|
|
|
|
|
# like scmutil.revsingle, but with lru cache, so their states (like manifests)
|
|
|
# could be reused
|
|
|
_revsingle = util.lrucachefunc(scmutil.revsingle)
|
|
|
|
|
|
|
|
|
def resolvefctx(repo, rev, path, resolverev=False, adjustctx=None):
|
|
|
"""(repo, str, str) -> fctx
|
|
|
|
|
|
get the filectx object from repo, rev, path, in an efficient way.
|
|
|
|
|
|
if resolverev is True, "rev" is a revision specified by the revset
|
|
|
language, otherwise "rev" is a nodeid, or a revision number that can
|
|
|
be consumed by repo.__getitem__.
|
|
|
|
|
|
if adjustctx is not None, the returned fctx will point to a changeset
|
|
|
that introduces the change (last modified the file). if adjustctx
|
|
|
is 'linkrev', trust the linkrev and do not adjust it. this is noticeably
|
|
|
faster for big repos but is incorrect for some cases.
|
|
|
"""
|
|
|
if resolverev and not isinstance(rev, int) and rev is not None:
|
|
|
ctx = _revsingle(repo, rev)
|
|
|
else:
|
|
|
ctx = repo[rev]
|
|
|
|
|
|
# If we don't need to adjust the linkrev, create the filectx using the
|
|
|
# changectx instead of using ctx[path]. This means it already has the
|
|
|
# changectx information, so blame -u will be able to look directly at the
|
|
|
# commitctx object instead of having to resolve it by going through the
|
|
|
# manifest. In a lazy-manifest world this can prevent us from downloading a
|
|
|
# lot of data.
|
|
|
if adjustctx is None:
|
|
|
# ctx.rev() is None means it's the working copy, which is a special
|
|
|
# case.
|
|
|
if ctx.rev() is None:
|
|
|
fctx = ctx[path]
|
|
|
else:
|
|
|
fctx = repo.filectx(path, changeid=ctx.rev())
|
|
|
else:
|
|
|
fctx = ctx[path]
|
|
|
if adjustctx == b'linkrev':
|
|
|
introrev = fctx.linkrev()
|
|
|
else:
|
|
|
introrev = fctx.introrev()
|
|
|
if introrev != ctx.rev():
|
|
|
fctx._changeid = introrev
|
|
|
fctx._changectx = repo[introrev]
|
|
|
return fctx
|
|
|
|
|
|
|
|
|
# like mercurial.store.encodedir, but use linelog suffixes: .m, .l, .lock
|
|
|
def encodedir(path):
|
|
|
return (
|
|
|
path.replace(b'.hg/', b'.hg.hg/')
|
|
|
.replace(b'.l/', b'.l.hg/')
|
|
|
.replace(b'.m/', b'.m.hg/')
|
|
|
.replace(b'.lock/', b'.lock.hg/')
|
|
|
)
|
|
|
|
|
|
|
|
|
def hashdiffopts(diffopts):
|
|
|
diffoptstr = stringutil.pprint(
|
|
|
sorted(
|
|
|
(k, getattr(diffopts, pycompat.sysstr(k)))
|
|
|
for k in mdiff.diffopts.defaults
|
|
|
)
|
|
|
)
|
|
|
return hex(hashutil.sha1(diffoptstr).digest())[:6]
|
|
|
|
|
|
|
|
|
_defaultdiffopthash = hashdiffopts(mdiff.defaultopts)
|
|
|
|
|
|
|
|
|
class annotateopts:
|
|
|
"""like mercurial.mdiff.diffopts, but is for annotate
|
|
|
|
|
|
followrename: follow renames, like "hg annotate -f"
|
|
|
followmerge: follow p2 of a merge changeset, otherwise p2 is ignored
|
|
|
"""
|
|
|
|
|
|
defaults = {
|
|
|
'diffopts': None,
|
|
|
'followrename': True,
|
|
|
'followmerge': True,
|
|
|
}
|
|
|
|
|
|
def __init__(self, **opts):
|
|
|
for k, v in self.defaults.items():
|
|
|
setattr(self, k, opts.get(k, v))
|
|
|
|
|
|
@util.propertycache
|
|
|
def shortstr(self):
|
|
|
"""represent opts in a short string, suitable for a directory name"""
|
|
|
result = b''
|
|
|
if not self.followrename:
|
|
|
result += b'r0'
|
|
|
if not self.followmerge:
|
|
|
result += b'm0'
|
|
|
if self.diffopts is not None:
|
|
|
assert isinstance(self.diffopts, mdiff.diffopts)
|
|
|
diffopthash = hashdiffopts(self.diffopts)
|
|
|
if diffopthash != _defaultdiffopthash:
|
|
|
result += b'i' + diffopthash
|
|
|
return result or b'default'
|
|
|
|
|
|
|
|
|
defaultopts = annotateopts()
|
|
|
|
|
|
|
|
|
class _annotatecontext:
|
|
|
"""do not use this class directly as it does not use lock to protect
|
|
|
writes. use "with annotatecontext(...)" instead.
|
|
|
"""
|
|
|
|
|
|
def __init__(self, repo, path, linelogpath, revmappath, opts):
|
|
|
self.repo = repo
|
|
|
self.ui = repo.ui
|
|
|
self.path = path
|
|
|
self.opts = opts
|
|
|
self.linelogpath = linelogpath
|
|
|
self.revmappath = revmappath
|
|
|
self._linelog = None
|
|
|
self._revmap = None
|
|
|
self._node2path = {} # {str: str}
|
|
|
|
|
|
@property
|
|
|
def linelog(self):
|
|
|
if self._linelog is None:
|
|
|
if os.path.exists(self.linelogpath):
|
|
|
with open(self.linelogpath, b'rb') as f:
|
|
|
try:
|
|
|
self._linelog = linelogmod.linelog.fromdata(f.read())
|
|
|
except linelogmod.LineLogError:
|
|
|
self._linelog = linelogmod.linelog()
|
|
|
else:
|
|
|
self._linelog = linelogmod.linelog()
|
|
|
return self._linelog
|
|
|
|
|
|
@property
|
|
|
def revmap(self):
|
|
|
if self._revmap is None:
|
|
|
self._revmap = revmapmod.revmap(self.revmappath)
|
|
|
return self._revmap
|
|
|
|
|
|
def close(self):
|
|
|
if self._revmap is not None:
|
|
|
self._revmap.flush()
|
|
|
self._revmap = None
|
|
|
if self._linelog is not None:
|
|
|
with open(self.linelogpath, b'wb') as f:
|
|
|
f.write(self._linelog.encode())
|
|
|
self._linelog = None
|
|
|
|
|
|
__del__ = close
|
|
|
|
|
|
def rebuild(self):
|
|
|
"""delete linelog and revmap, useful for rebuilding"""
|
|
|
self.close()
|
|
|
self._node2path.clear()
|
|
|
_unlinkpaths([self.revmappath, self.linelogpath])
|
|
|
|
|
|
@property
|
|
|
def lastnode(self):
|
|
|
"""return last node in revmap, or None if revmap is empty"""
|
|
|
if self._revmap is None:
|
|
|
# fast path, read revmap without loading its full content
|
|
|
return revmapmod.getlastnode(self.revmappath)
|
|
|
else:
|
|
|
return self._revmap.rev2hsh(self._revmap.maxrev)
|
|
|
|
|
|
def isuptodate(self, master, strict=True):
|
|
|
"""return True if the revmap / linelog is up-to-date, or the file
|
|
|
does not exist in the master revision. False otherwise.
|
|
|
|
|
|
it tries to be fast and could return false negatives, because of the
|
|
|
use of linkrev instead of introrev.
|
|
|
|
|
|
useful for both server and client to decide whether to update
|
|
|
fastannotate cache or not.
|
|
|
|
|
|
if strict is True, even if fctx exists in the revmap, but is not the
|
|
|
last node, isuptodate will return False. it's good for performance - no
|
|
|
expensive check was done.
|
|
|
|
|
|
if strict is False, if fctx exists in the revmap, this function may
|
|
|
return True. this is useful for the client to skip downloading the
|
|
|
cache if the client's master is behind the server's.
|
|
|
"""
|
|
|
lastnode = self.lastnode
|
|
|
try:
|
|
|
f = self._resolvefctx(master, resolverev=True)
|
|
|
# choose linkrev instead of introrev as the check is meant to be
|
|
|
# *fast*.
|
|
|
linknode = self.repo.changelog.node(f.linkrev())
|
|
|
if not strict and lastnode and linknode != lastnode:
|
|
|
# check if f.node() is in the revmap. note: this loads the
|
|
|
# revmap and can be slow.
|
|
|
return self.revmap.hsh2rev(linknode) is not None
|
|
|
# avoid resolving old manifest, or slow adjustlinkrev to be fast,
|
|
|
# false negatives are acceptable in this case.
|
|
|
return linknode == lastnode
|
|
|
except LookupError:
|
|
|
# master does not have the file, or the revmap is ahead
|
|
|
return True
|
|
|
|
|
|
def annotate(self, rev, master=None, showpath=False, showlines=False):
|
|
|
"""incrementally update the cache so it includes revisions in the main
|
|
|
branch till 'master'. and run annotate on 'rev', which may or may not be
|
|
|
included in the main branch.
|
|
|
|
|
|
if master is None, do not update linelog.
|
|
|
|
|
|
the first value returned is the annotate result, it is [(node, linenum)]
|
|
|
by default. [(node, linenum, path)] if showpath is True.
|
|
|
|
|
|
if showlines is True, a second value will be returned, it is a list of
|
|
|
corresponding line contents.
|
|
|
"""
|
|
|
|
|
|
# the fast path test requires commit hash, convert rev number to hash,
|
|
|
# so it may hit the fast path. note: in the "fctx" mode, the "annotate"
|
|
|
# command could give us a revision number even if the user passes a
|
|
|
# commit hash.
|
|
|
if isinstance(rev, int):
|
|
|
rev = hex(self.repo.changelog.node(rev))
|
|
|
|
|
|
# fast path: if rev is in the main branch already
|
|
|
directly, revfctx = self.canannotatedirectly(rev)
|
|
|
if directly:
|
|
|
if self.ui.debugflag:
|
|
|
self.ui.debug(
|
|
|
b'fastannotate: %s: using fast path '
|
|
|
b'(resolved fctx: %s)\n'
|
|
|
% (
|
|
|
self.path,
|
|
|
stringutil.pprint(util.safehasattr(revfctx, 'node')),
|
|
|
)
|
|
|
)
|
|
|
return self.annotatedirectly(revfctx, showpath, showlines)
|
|
|
|
|
|
# resolve master
|
|
|
masterfctx = None
|
|
|
if master:
|
|
|
try:
|
|
|
masterfctx = self._resolvefctx(
|
|
|
master, resolverev=True, adjustctx=True
|
|
|
)
|
|
|
except LookupError: # master does not have the file
|
|
|
pass
|
|
|
else:
|
|
|
if masterfctx in self.revmap: # no need to update linelog
|
|
|
masterfctx = None
|
|
|
|
|
|
# ... - @ <- rev (can be an arbitrary changeset,
|
|
|
# / not necessarily a descendant
|
|
|
# master -> o of master)
|
|
|
# |
|
|
|
# a merge -> o 'o': new changesets in the main branch
|
|
|
# |\ '#': revisions in the main branch that
|
|
|
# o * exist in linelog / revmap
|
|
|
# | . '*': changesets in side branches, or
|
|
|
# last master -> # . descendants of master
|
|
|
# | .
|
|
|
# # * joint: '#', and is a parent of a '*'
|
|
|
# |/
|
|
|
# a joint -> # ^^^^ --- side branches
|
|
|
# |
|
|
|
# ^ --- main branch (in linelog)
|
|
|
|
|
|
# these DFSes are similar to the traditional annotate algorithm.
|
|
|
# we cannot really reuse the code for perf reason.
|
|
|
|
|
|
# 1st DFS calculates merges, joint points, and needed.
|
|
|
# "needed" is a simple reference counting dict to free items in
|
|
|
# "hist", reducing its memory usage otherwise could be huge.
|
|
|
initvisit = [revfctx]
|
|
|
if masterfctx:
|
|
|
if masterfctx.rev() is None:
|
|
|
raise error.Abort(
|
|
|
_(b'cannot update linelog to wdir()'),
|
|
|
hint=_(b'set fastannotate.mainbranch'),
|
|
|
)
|
|
|
initvisit.append(masterfctx)
|
|
|
visit = initvisit[:]
|
|
|
pcache = {}
|
|
|
needed = {revfctx: 1}
|
|
|
hist = {} # {fctx: ([(llrev or fctx, linenum)], text)}
|
|
|
while visit:
|
|
|
f = visit.pop()
|
|
|
if f in pcache or f in hist:
|
|
|
continue
|
|
|
if f in self.revmap: # in the old main branch, it's a joint
|
|
|
llrev = self.revmap.hsh2rev(f.node())
|
|
|
self.linelog.annotate(llrev)
|
|
|
result = self.linelog.annotateresult
|
|
|
hist[f] = (result, f.data())
|
|
|
continue
|
|
|
pl = self._parentfunc(f)
|
|
|
pcache[f] = pl
|
|
|
for p in pl:
|
|
|
needed[p] = needed.get(p, 0) + 1
|
|
|
if p not in pcache:
|
|
|
visit.append(p)
|
|
|
|
|
|
# 2nd (simple) DFS calculates new changesets in the main branch
|
|
|
# ('o' nodes in # the above graph), so we know when to update linelog.
|
|
|
newmainbranch = set()
|
|
|
f = masterfctx
|
|
|
while f and f not in self.revmap:
|
|
|
newmainbranch.add(f)
|
|
|
pl = pcache[f]
|
|
|
if pl:
|
|
|
f = pl[0]
|
|
|
else:
|
|
|
f = None
|
|
|
break
|
|
|
|
|
|
# f, if present, is the position where the last build stopped at, and
|
|
|
# should be the "master" last time. check to see if we can continue
|
|
|
# building the linelog incrementally. (we cannot if diverged)
|
|
|
if masterfctx is not None:
|
|
|
self._checklastmasterhead(f)
|
|
|
|
|
|
if self.ui.debugflag:
|
|
|
if newmainbranch:
|
|
|
self.ui.debug(
|
|
|
b'fastannotate: %s: %d new changesets in the main'
|
|
|
b' branch\n' % (self.path, len(newmainbranch))
|
|
|
)
|
|
|
elif not hist: # no joints, no updates
|
|
|
self.ui.debug(
|
|
|
b'fastannotate: %s: linelog cannot help in '
|
|
|
b'annotating this revision\n' % self.path
|
|
|
)
|
|
|
|
|
|
# prepare annotateresult so we can update linelog incrementally
|
|
|
self.linelog.annotate(self.linelog.maxrev)
|
|
|
|
|
|
# 3rd DFS does the actual annotate
|
|
|
visit = initvisit[:]
|
|
|
progress = self.ui.makeprogress(
|
|
|
b'building cache', total=len(newmainbranch)
|
|
|
)
|
|
|
while visit:
|
|
|
f = visit[-1]
|
|
|
if f in hist:
|
|
|
visit.pop()
|
|
|
continue
|
|
|
|
|
|
ready = True
|
|
|
pl = pcache[f]
|
|
|
for p in pl:
|
|
|
if p not in hist:
|
|
|
ready = False
|
|
|
visit.append(p)
|
|
|
if not ready:
|
|
|
continue
|
|
|
|
|
|
visit.pop()
|
|
|
blocks = None # mdiff blocks, used for appending linelog
|
|
|
ismainbranch = f in newmainbranch
|
|
|
# curr is the same as the traditional annotate algorithm,
|
|
|
# if we only care about linear history (do not follow merge),
|
|
|
# then curr is not actually used.
|
|
|
assert f not in hist
|
|
|
curr = _decorate(f)
|
|
|
for i, p in enumerate(pl):
|
|
|
bs = list(self._diffblocks(hist[p][1], curr[1]))
|
|
|
if i == 0 and ismainbranch:
|
|
|
blocks = bs
|
|
|
curr = _pair(hist[p], curr, bs)
|
|
|
if needed[p] == 1:
|
|
|
del hist[p]
|
|
|
del needed[p]
|
|
|
else:
|
|
|
needed[p] -= 1
|
|
|
|
|
|
hist[f] = curr
|
|
|
del pcache[f]
|
|
|
|
|
|
if ismainbranch: # need to write to linelog
|
|
|
progress.increment()
|
|
|
bannotated = None
|
|
|
if len(pl) == 2 and self.opts.followmerge: # merge
|
|
|
bannotated = curr[0]
|
|
|
if blocks is None: # no parents, add an empty one
|
|
|
blocks = list(self._diffblocks(b'', curr[1]))
|
|
|
self._appendrev(f, blocks, bannotated)
|
|
|
elif showpath: # not append linelog, but we need to record path
|
|
|
self._node2path[f.node()] = f.path()
|
|
|
|
|
|
progress.complete()
|
|
|
|
|
|
result = [
|
|
|
((self.revmap.rev2hsh(fr) if isinstance(fr, int) else fr.node()), l)
|
|
|
for fr, l in hist[revfctx][0]
|
|
|
] # [(node, linenumber)]
|
|
|
return self._refineannotateresult(result, revfctx, showpath, showlines)
|
|
|
|
|
|
def canannotatedirectly(self, rev):
|
|
|
"""(str) -> bool, fctx or node.
|
|
|
return (True, f) if we can annotate without updating the linelog, pass
|
|
|
f to annotatedirectly.
|
|
|
return (False, f) if we need extra calculation. f is the fctx resolved
|
|
|
from rev.
|
|
|
"""
|
|
|
result = True
|
|
|
f = None
|
|
|
if not isinstance(rev, int) and rev is not None:
|
|
|
hsh = {20: bytes, 40: bin}.get(len(rev), lambda x: None)(rev)
|
|
|
if hsh is not None and (hsh, self.path) in self.revmap:
|
|
|
f = hsh
|
|
|
if f is None:
|
|
|
adjustctx = b'linkrev' if self._perfhack else True
|
|
|
f = self._resolvefctx(rev, adjustctx=adjustctx, resolverev=True)
|
|
|
result = f in self.revmap
|
|
|
if not result and self._perfhack:
|
|
|
# redo the resolution without perfhack - as we are going to
|
|
|
# do write operations, we need a correct fctx.
|
|
|
f = self._resolvefctx(rev, adjustctx=True, resolverev=True)
|
|
|
return result, f
|
|
|
|
|
|
def annotatealllines(self, rev, showpath=False, showlines=False):
|
|
|
"""(rev : str) -> [(node : str, linenum : int, path : str)]
|
|
|
|
|
|
the result has the same format with annotate, but include all (including
|
|
|
deleted) lines up to rev. call this after calling annotate(rev, ...) for
|
|
|
better performance and accuracy.
|
|
|
"""
|
|
|
revfctx = self._resolvefctx(rev, resolverev=True, adjustctx=True)
|
|
|
|
|
|
# find a chain from rev to anything in the mainbranch
|
|
|
if revfctx not in self.revmap:
|
|
|
chain = [revfctx]
|
|
|
a = b''
|
|
|
while True:
|
|
|
f = chain[-1]
|
|
|
pl = self._parentfunc(f)
|
|
|
if not pl:
|
|
|
break
|
|
|
if pl[0] in self.revmap:
|
|
|
a = pl[0].data()
|
|
|
break
|
|
|
chain.append(pl[0])
|
|
|
|
|
|
# both self.linelog and self.revmap is backed by filesystem. now
|
|
|
# we want to modify them but do not want to write changes back to
|
|
|
# files. so we create in-memory objects and copy them. it's like
|
|
|
# a "fork".
|
|
|
linelog = linelogmod.linelog()
|
|
|
linelog.copyfrom(self.linelog)
|
|
|
linelog.annotate(linelog.maxrev)
|
|
|
revmap = revmapmod.revmap()
|
|
|
revmap.copyfrom(self.revmap)
|
|
|
|
|
|
for f in reversed(chain):
|
|
|
b = f.data()
|
|
|
blocks = list(self._diffblocks(a, b))
|
|
|
self._doappendrev(linelog, revmap, f, blocks)
|
|
|
a = b
|
|
|
else:
|
|
|
# fastpath: use existing linelog, revmap as we don't write to them
|
|
|
linelog = self.linelog
|
|
|
revmap = self.revmap
|
|
|
|
|
|
lines = linelog.getalllines()
|
|
|
hsh = revfctx.node()
|
|
|
llrev = revmap.hsh2rev(hsh)
|
|
|
result = [(revmap.rev2hsh(r), l) for r, l in lines if r <= llrev]
|
|
|
# cannot use _refineannotateresult since we need custom logic for
|
|
|
# resolving line contents
|
|
|
if showpath:
|
|
|
result = self._addpathtoresult(result, revmap)
|
|
|
if showlines:
|
|
|
linecontents = self._resolvelines(result, revmap, linelog)
|
|
|
result = (result, linecontents)
|
|
|
return result
|
|
|
|
|
|
def _resolvelines(self, annotateresult, revmap, linelog):
|
|
|
"""(annotateresult) -> [line]. designed for annotatealllines.
|
|
|
this is probably the most inefficient code in the whole fastannotate
|
|
|
directory. but we have made a decision that the linelog does not
|
|
|
store line contents. so getting them requires random accesses to
|
|
|
the revlog data, since they can be many, it can be very slow.
|
|
|
"""
|
|
|
# [llrev]
|
|
|
revs = [revmap.hsh2rev(l[0]) for l in annotateresult]
|
|
|
result = [None] * len(annotateresult)
|
|
|
# {(rev, linenum): [lineindex]}
|
|
|
key2idxs = collections.defaultdict(list)
|
|
|
for i in range(len(result)):
|
|
|
key2idxs[(revs[i], annotateresult[i][1])].append(i)
|
|
|
while key2idxs:
|
|
|
# find an unresolved line and its linelog rev to annotate
|
|
|
hsh = None
|
|
|
try:
|
|
|
for (rev, _linenum), idxs in key2idxs.items():
|
|
|
if revmap.rev2flag(rev) & revmapmod.sidebranchflag:
|
|
|
continue
|
|
|
hsh = annotateresult[idxs[0]][0]
|
|
|
break
|
|
|
except StopIteration: # no more unresolved lines
|
|
|
return result
|
|
|
if hsh is None:
|
|
|
# the remaining key2idxs are not in main branch, resolving them
|
|
|
# using the hard way...
|
|
|
revlines = {}
|
|
|
for (rev, linenum), idxs in key2idxs.items():
|
|
|
if rev not in revlines:
|
|
|
hsh = annotateresult[idxs[0]][0]
|
|
|
if self.ui.debugflag:
|
|
|
self.ui.debug(
|
|
|
b'fastannotate: reading %s line #%d '
|
|
|
b'to resolve lines %r\n'
|
|
|
% (short(hsh), linenum, idxs)
|
|
|
)
|
|
|
fctx = self._resolvefctx(hsh, revmap.rev2path(rev))
|
|
|
lines = mdiff.splitnewlines(fctx.data())
|
|
|
revlines[rev] = lines
|
|
|
for idx in idxs:
|
|
|
result[idx] = revlines[rev][linenum]
|
|
|
assert all(x is not None for x in result)
|
|
|
return result
|
|
|
|
|
|
# run the annotate and the lines should match to the file content
|
|
|
self.ui.debug(
|
|
|
b'fastannotate: annotate %s to resolve lines\n' % short(hsh)
|
|
|
)
|
|
|
linelog.annotate(rev)
|
|
|
fctx = self._resolvefctx(hsh, revmap.rev2path(rev))
|
|
|
annotated = linelog.annotateresult
|
|
|
lines = mdiff.splitnewlines(fctx.data())
|
|
|
if len(lines) != len(annotated):
|
|
|
raise faerror.CorruptedFileError(b'unexpected annotated lines')
|
|
|
# resolve lines from the annotate result
|
|
|
for i, line in enumerate(lines):
|
|
|
k = annotated[i]
|
|
|
if k in key2idxs:
|
|
|
for idx in key2idxs[k]:
|
|
|
result[idx] = line
|
|
|
del key2idxs[k]
|
|
|
return result
|
|
|
|
|
|
def annotatedirectly(self, f, showpath, showlines):
|
|
|
"""like annotate, but when we know that f is in linelog.
|
|
|
f can be either a 20-char str (node) or a fctx. this is for perf - in
|
|
|
the best case, the user provides a node and we don't need to read the
|
|
|
filelog or construct any filecontext.
|
|
|
"""
|
|
|
if isinstance(f, bytes):
|
|
|
hsh = f
|
|
|
else:
|
|
|
hsh = f.node()
|
|
|
llrev = self.revmap.hsh2rev(hsh)
|
|
|
if not llrev:
|
|
|
raise faerror.CorruptedFileError(b'%s is not in revmap' % hex(hsh))
|
|
|
if (self.revmap.rev2flag(llrev) & revmapmod.sidebranchflag) != 0:
|
|
|
raise faerror.CorruptedFileError(
|
|
|
b'%s is not in revmap mainbranch' % hex(hsh)
|
|
|
)
|
|
|
self.linelog.annotate(llrev)
|
|
|
result = [
|
|
|
(self.revmap.rev2hsh(r), l) for r, l in self.linelog.annotateresult
|
|
|
]
|
|
|
return self._refineannotateresult(result, f, showpath, showlines)
|
|
|
|
|
|
def _refineannotateresult(self, result, f, showpath, showlines):
|
|
|
"""add the missing path or line contents, they can be expensive.
|
|
|
f could be either node or fctx.
|
|
|
"""
|
|
|
if showpath:
|
|
|
result = self._addpathtoresult(result)
|
|
|
if showlines:
|
|
|
if isinstance(f, bytes): # f: node or fctx
|
|
|
llrev = self.revmap.hsh2rev(f)
|
|
|
fctx = self._resolvefctx(f, self.revmap.rev2path(llrev))
|
|
|
else:
|
|
|
fctx = f
|
|
|
lines = mdiff.splitnewlines(fctx.data())
|
|
|
if len(lines) != len(result): # linelog is probably corrupted
|
|
|
raise faerror.CorruptedFileError()
|
|
|
result = (result, lines)
|
|
|
return result
|
|
|
|
|
|
def _appendrev(self, fctx, blocks, bannotated=None):
|
|
|
self._doappendrev(self.linelog, self.revmap, fctx, blocks, bannotated)
|
|
|
|
|
|
def _diffblocks(self, a, b):
|
|
|
return mdiff.allblocks(a, b, self.opts.diffopts)
|
|
|
|
|
|
@staticmethod
|
|
|
def _doappendrev(linelog, revmap, fctx, blocks, bannotated=None):
|
|
|
"""append a revision to linelog and revmap"""
|
|
|
|
|
|
def getllrev(f):
|
|
|
"""(fctx) -> int"""
|
|
|
# f should not be a linelog revision
|
|
|
if isinstance(f, int):
|
|
|
raise error.ProgrammingError(b'f should not be an int')
|
|
|
# f is a fctx, allocate linelog rev on demand
|
|
|
hsh = f.node()
|
|
|
rev = revmap.hsh2rev(hsh)
|
|
|
if rev is None:
|
|
|
rev = revmap.append(hsh, sidebranch=True, path=f.path())
|
|
|
return rev
|
|
|
|
|
|
# append sidebranch revisions to revmap
|
|
|
siderevs = []
|
|
|
siderevmap = {} # node: int
|
|
|
if bannotated is not None:
|
|
|
for (a1, a2, b1, b2), op in blocks:
|
|
|
if op != b'=':
|
|
|
# f could be either linelong rev, or fctx.
|
|
|
siderevs += [
|
|
|
f
|
|
|
for f, l in bannotated[b1:b2]
|
|
|
if not isinstance(f, int)
|
|
|
]
|
|
|
siderevs = set(siderevs)
|
|
|
if fctx in siderevs: # mainnode must be appended seperately
|
|
|
siderevs.remove(fctx)
|
|
|
for f in siderevs:
|
|
|
siderevmap[f] = getllrev(f)
|
|
|
|
|
|
# the changeset in the main branch, could be a merge
|
|
|
llrev = revmap.append(fctx.node(), path=fctx.path())
|
|
|
siderevmap[fctx] = llrev
|
|
|
|
|
|
for (a1, a2, b1, b2), op in reversed(blocks):
|
|
|
if op == b'=':
|
|
|
continue
|
|
|
if bannotated is None:
|
|
|
linelog.replacelines(llrev, a1, a2, b1, b2)
|
|
|
else:
|
|
|
blines = [
|
|
|
((r if isinstance(r, int) else siderevmap[r]), l)
|
|
|
for r, l in bannotated[b1:b2]
|
|
|
]
|
|
|
linelog.replacelines_vec(llrev, a1, a2, blines)
|
|
|
|
|
|
def _addpathtoresult(self, annotateresult, revmap=None):
|
|
|
"""(revmap, [(node, linenum)]) -> [(node, linenum, path)]"""
|
|
|
if revmap is None:
|
|
|
revmap = self.revmap
|
|
|
|
|
|
def _getpath(nodeid):
|
|
|
path = self._node2path.get(nodeid)
|
|
|
if path is None:
|
|
|
path = revmap.rev2path(revmap.hsh2rev(nodeid))
|
|
|
self._node2path[nodeid] = path
|
|
|
return path
|
|
|
|
|
|
return [(n, l, _getpath(n)) for n, l in annotateresult]
|
|
|
|
|
|
def _checklastmasterhead(self, fctx):
|
|
|
"""check if fctx is the master's head last time, raise if not"""
|
|
|
if fctx is None:
|
|
|
llrev = 0
|
|
|
else:
|
|
|
llrev = self.revmap.hsh2rev(fctx.node())
|
|
|
if not llrev:
|
|
|
raise faerror.CannotReuseError()
|
|
|
if self.linelog.maxrev != llrev:
|
|
|
raise faerror.CannotReuseError()
|
|
|
|
|
|
@util.propertycache
|
|
|
def _parentfunc(self):
|
|
|
"""-> (fctx) -> [fctx]"""
|
|
|
followrename = self.opts.followrename
|
|
|
followmerge = self.opts.followmerge
|
|
|
|
|
|
def parents(f):
|
|
|
pl = _parents(f, follow=followrename)
|
|
|
if not followmerge:
|
|
|
pl = pl[:1]
|
|
|
return pl
|
|
|
|
|
|
return parents
|
|
|
|
|
|
@util.propertycache
|
|
|
def _perfhack(self):
|
|
|
return self.ui.configbool(b'fastannotate', b'perfhack')
|
|
|
|
|
|
def _resolvefctx(self, rev, path=None, **kwds):
|
|
|
return resolvefctx(self.repo, rev, (path or self.path), **kwds)
|
|
|
|
|
|
|
|
|
def _unlinkpaths(paths):
|
|
|
"""silent, best-effort unlink"""
|
|
|
for path in paths:
|
|
|
try:
|
|
|
util.unlink(path)
|
|
|
except OSError:
|
|
|
pass
|
|
|
|
|
|
|
|
|
class pathhelper:
|
|
|
"""helper for getting paths for lockfile, linelog and revmap"""
|
|
|
|
|
|
def __init__(self, repo, path, opts=defaultopts):
|
|
|
# different options use different directories
|
|
|
self._vfspath = os.path.join(
|
|
|
b'fastannotate', opts.shortstr, encodedir(path)
|
|
|
)
|
|
|
self._repo = repo
|
|
|
|
|
|
@property
|
|
|
def dirname(self):
|
|
|
return os.path.dirname(self._repo.vfs.join(self._vfspath))
|
|
|
|
|
|
@property
|
|
|
def linelogpath(self):
|
|
|
return self._repo.vfs.join(self._vfspath + b'.l')
|
|
|
|
|
|
def lock(self):
|
|
|
return lockmod.lock(self._repo.vfs, self._vfspath + b'.lock')
|
|
|
|
|
|
@property
|
|
|
def revmappath(self):
|
|
|
return self._repo.vfs.join(self._vfspath + b'.m')
|
|
|
|
|
|
|
|
|
@contextlib.contextmanager
|
|
|
def annotatecontext(repo, path, opts=defaultopts, rebuild=False):
|
|
|
"""context needed to perform (fast) annotate on a file
|
|
|
|
|
|
an annotatecontext of a single file consists of two structures: the
|
|
|
linelog and the revmap. this function takes care of locking. only 1
|
|
|
process is allowed to write that file's linelog and revmap at a time.
|
|
|
|
|
|
when something goes wrong, this function will assume the linelog and the
|
|
|
revmap are in a bad state, and remove them from disk.
|
|
|
|
|
|
use this function in the following way:
|
|
|
|
|
|
with annotatecontext(...) as actx:
|
|
|
actx. ....
|
|
|
"""
|
|
|
helper = pathhelper(repo, path, opts)
|
|
|
util.makedirs(helper.dirname)
|
|
|
revmappath = helper.revmappath
|
|
|
linelogpath = helper.linelogpath
|
|
|
actx = None
|
|
|
try:
|
|
|
with helper.lock():
|
|
|
actx = _annotatecontext(repo, path, linelogpath, revmappath, opts)
|
|
|
if rebuild:
|
|
|
actx.rebuild()
|
|
|
yield actx
|
|
|
except Exception:
|
|
|
if actx is not None:
|
|
|
actx.rebuild()
|
|
|
repo.ui.debug(b'fastannotate: %s: cache broken and deleted\n' % path)
|
|
|
raise
|
|
|
finally:
|
|
|
if actx is not None:
|
|
|
actx.close()
|
|
|
|
|
|
|
|
|
def fctxannotatecontext(fctx, follow=True, diffopts=None, rebuild=False):
|
|
|
"""like annotatecontext but get the context from a fctx. convenient when
|
|
|
used in fctx.annotate
|
|
|
"""
|
|
|
repo = fctx._repo
|
|
|
path = fctx._path
|
|
|
if repo.ui.configbool(b'fastannotate', b'forcefollow', True):
|
|
|
follow = True
|
|
|
aopts = annotateopts(diffopts=diffopts, followrename=follow)
|
|
|
return annotatecontext(repo, path, aopts, rebuild)
|
|
|
|
