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/ kbfiles |
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'''Setup code for bfiles extension: reposetup(), uisetup().'''
import os
import types
import copy
from mercurial import hg, extensions, commands, util, context, cmdutil, \
match as match_, filemerge, node, archival, httprepo, error
from mercurial.i18n import _
from mercurial.node import hex
from hgext import rebase
import bfutil, bfcommands
def hgversion():
from mercurial.__version__ import version
return [int(n) for n in version.partition('+')[0].split('.')]
hgversion = hgversion()
# -- Wrappers: modify existing commands --------------------------------
def reposetup(ui, repo):
# add a kbfiles-specific querystring argument to remote requests, so kiln can reject
# operations on a kbfiles-enabled remote repo from a non-kbfiles local repo.
if issubclass(repo.__class__, httprepo.httprepository):
class kbfilesrepo(repo.__class__):
# The function we want to override is do_cmd for Mercurial <= 1.6
# and _callstream for Mercurial > 1.6. Wrap whichever one we can find.
if hasattr(repo.__class__, 'do_cmd'):
def do_cmd(self, cmd, **args):
args['kbfiles'] = 'true'
return super(repo.__class__, self).do_cmd(cmd, **args)
if hasattr(repo.__class__, '_callstream'):
def _callstream(self, cmd, **args):
args['kbfiles'] = 'true'
return super(repo.__class__, self)._callstream(cmd, **args)
repo.__class__ = kbfilesrepo
# bfiles doesn't support non-local repositories -- get out quick in
# such a case
if not repo.local():
return
for name in ('status', 'commitctx', 'commit', 'push'):
method = getattr(repo, name)
#if not (isinstance(method, types.MethodType) and
# method.im_func is repo.__class__.commitctx.im_func):
if isinstance(method, types.FunctionType) and method.func_name == 'wrap':
ui.warn(_('kbfiles: repo method %r appears to have already been '
'wrapped by another extension: '
'kbfiles may behave incorrectly\n')
% name)
class bfiles_repo(repo.__class__):
bfstatus = False
def status_nobfiles(self, *args, **kwargs):
return super(bfiles_repo, self).status(*args, **kwargs)
# Figure out the status of big files and insert them into the
# appropriate list in the result. Also removes standin files from
# the listing. This function reverts to the original status if
# self.bfstatus is False
def status(self, node1='.', node2=None, match=None, ignored=False, clean=False, unknown=False, subrepos=None):
listignored, listclean, listunknown = ignored, clean, unknown
if not self.bfstatus:
try:
return super(bfiles_repo, self).status(node1, node2, match, listignored, listclean, listunknown, subrepos)
except TypeError:
return super(bfiles_repo, self).status(node1, node2, match, listignored, listclean, listunknown)
else:
# some calls in this function rely on the old version of status
self.bfstatus = False
if isinstance(node1, context.changectx):
ctx1 = node1
else:
ctx1 = repo[node1]
if isinstance(node2, context.changectx):
ctx2 = node2
else:
ctx2 = repo[node2]
working = ctx2.rev() is None
parentworking = working and ctx1 == self['.']
def inctx(file, ctx):
try:
if ctx.rev() is None:
return file in ctx.manifest()
ctx[file]
return True
except:
return False
# create a copy of match that matches standins instead of bfiles
# if matcher not set then it is the always matcher so overwrite that
if match is None:
match = match_.always(self.root, self.getcwd())
def tostandin(file):
if inctx(bfutil.standin(file), ctx2):
return bfutil.standin(file)
return file
m = copy.copy(match)
m._files = [tostandin(f) for f in m._files]
# get ignored clean and unknown but remove them later if they were not asked for
try:
result = super(bfiles_repo, self).status(node1, node2, m, True, True, True, subrepos)
except TypeError:
result = super(bfiles_repo, self).status(node1, node2, m, True, True, True)
if working:
# Hold the wlock while we read bfiles and update the bfdirstate
wlock = repo.wlock()
try:
# Any non bfiles that were explicitly listed must be taken out or
# bfdirstate.status will report an error. The status of these files
# was already computed using super's status.
bfdirstate = bfutil.open_bfdirstate(ui, self)
match._files = [f for f in match._files if f in bfdirstate]
s = bfdirstate.status(match, [], listignored, listclean, listunknown)
(unsure, modified, added, removed, missing, unknown, ignored, clean) = s
if parentworking:
for bfile in unsure:
if ctx1[bfutil.standin(bfile)].data().strip() != bfutil.hashfile(self.wjoin(bfile)):
modified.append(bfile)
else:
clean.append(bfile)
bfdirstate.normal(bfutil.unixpath(bfile))
bfdirstate.write()
else:
tocheck = unsure + modified + added + clean
modified, added, clean = [], [], []
for bfile in tocheck:
standin = bfutil.standin(bfile)
if inctx(standin, ctx1):
if ctx1[standin].data().strip() != bfutil.hashfile(self.wjoin(bfile)):
modified.append(bfile)
else:
clean.append(bfile)
else:
added.append(bfile)
finally:
wlock.release()
for standin in ctx1.manifest():
if not bfutil.is_standin(standin):
continue
bfile = bfutil.split_standin(standin)
if not match(bfile):
continue
if bfile not in bfdirstate:
removed.append(bfile)
# Handle unknown and ignored differently
bfiles = (modified, added, removed, missing, [], [], clean)
result = list(result)
# Unknown files
result[4] = [f for f in unknown if repo.dirstate[f] == '?' and not bfutil.is_standin(f)]
# Ignored files must be ignored by both the dirstate and bfdirstate
result[5] = set(ignored).intersection(set(result[5]))
# combine normal files and bfiles
normals = [[fn for fn in filelist if not bfutil.is_standin(fn)] for filelist in result]
result = [sorted(list1 + list2) for (list1, list2) in zip(normals, bfiles)]
else:
def toname(f):
if bfutil.is_standin(f):
return bfutil.split_standin(f)
return f
result = [[toname(f) for f in items] for items in result]
if not listunknown:
result[4] = []
if not listignored:
result[5] = []
if not listclean:
result[6] = []
self.bfstatus = True
return result
# This call happens after a commit has occurred. Copy all of the bfiles
# into the cache
def commitctx(self, *args, **kwargs):
node = super(bfiles_repo, self).commitctx(*args, **kwargs)
ctx = self[node]
for filename in ctx.files():
if bfutil.is_standin(filename) and filename in ctx.manifest():
realfile = bfutil.split_standin(filename)
bfutil.copy_to_cache(self, ctx.node(), realfile)
return node
# This call happens before a commit has occurred. The bfile standins
# have not had their contents updated (to reflect the hash of their bfile).
# Do that here.
def commit(self, text="", user=None, date=None, match=None, force=False,
editor=False, extra={}):
orig = super(bfiles_repo, self).commit
wlock = repo.wlock()
try:
if getattr(repo, "_are_rebasing", False):
# We have to take the time to pull down the new bfiles now. Otherwise
# if we are rebasing, any bfiles that were modified in the changesets we
# are rebasing on top of get overwritten either by the rebase or in the
# first commit after the rebase.
bfcommands.update_bfiles(repo.ui, repo)
# Case 1: user calls commit with no specific files or
# include/exclude patterns: refresh and commit everything.
if (match is None) or (not match.anypats() and not match.files()):
bfiles = bfutil.list_bfiles(self)
bfdirstate = bfutil.open_bfdirstate(ui, self)
# this only loops through bfiles that exist (not removed/renamed)
for bfile in bfiles:
if os.path.exists(self.wjoin(bfutil.standin(bfile))):
# this handles the case where a rebase is being performed and the
# working copy is not updated yet.
if os.path.exists(self.wjoin(bfile)):
bfutil.update_standin(self, bfutil.standin(bfile))
bfdirstate.normal(bfutil.unixpath(bfile))
for bfile in bfdirstate:
if not os.path.exists(repo.wjoin(bfutil.standin(bfile))):
bfdirstate.forget(bfutil.unixpath(bfile))
bfdirstate.write()
return orig(text=text, user=user, date=date, match=match,
force=force, editor=editor, extra=extra)
for file in match.files():
if bfutil.is_standin(file):
raise util.Abort("Don't commit bfile standin. Commit bfile.")
# Case 2: user calls commit with specified patterns: refresh any
# matching big files.
smatcher = bfutil.compose_standin_matcher(self, match)
standins = bfutil.dirstate_walk(self.dirstate, smatcher)
# No matching big files: get out of the way and pass control to
# the usual commit() method.
if not standins:
return orig(text=text, user=user, date=date, match=match,
force=force, editor=editor, extra=extra)
# Refresh all matching big files. It's possible that the commit
# will end up failing, in which case the big files will stay
# refreshed. No harm done: the user modified them and asked to
# commit them, so sooner or later we're going to refresh the
# standins. Might as well leave them refreshed.
bfdirstate = bfutil.open_bfdirstate(ui, self)
for standin in standins:
bfile = bfutil.split_standin(standin)
if bfdirstate[bfile] is not 'r':
bfutil.update_standin(self, standin)
bfdirstate.normal(bfutil.unixpath(bfile))
else:
bfdirstate.forget(bfutil.unixpath(bfile))
bfdirstate.write()
# Cook up a new matcher that only matches regular files or
# standins corresponding to the big files requested by the user.
# Have to modify _files to prevent commit() from complaining
# "not tracked" for big files.
bfiles = bfutil.list_bfiles(repo)
match = copy.copy(match)
orig_matchfn = match.matchfn
# Check both the list of bfiles and the list of standins because if a bfile was removed, it
# won't be in the list of bfiles at this point
match._files += sorted(standins)
actualfiles = []
for f in match._files:
fstandin = bfutil.standin(f)
# Ignore known bfiles and standins
if f in bfiles or fstandin in standins:
continue
# Append directory separator to avoid collisions
if not fstandin.endswith('/'):
fstandin += '/'
# Prevalidate matching standin directories
if any(st for st in match._files if st.startswith(fstandin)):
continue
actualfiles.append(f)
match._files = actualfiles
def matchfn(f):
if orig_matchfn(f):
return f not in bfiles
else:
return f in standins
match.matchfn = matchfn
return orig(text=text, user=user, date=date, match=match,
force=force, editor=editor, extra=extra)
finally:
wlock.release()
def push(self, remote, force=False, revs=None, newbranch=False):
o = bfutil.findoutgoing(repo, remote, force)
if o:
toupload = set()
o = repo.changelog.nodesbetween(o, revs)[0]
for n in o:
parents = [p for p in repo.changelog.parents(n) if p != node.nullid]
ctx = repo[n]
files = set(ctx.files())
if len(parents) == 2:
mc = ctx.manifest()
mp1 = ctx.parents()[0].manifest()
mp2 = ctx.parents()[1].manifest()
for f in mp1:
if f not in mc:
files.add(f)
for f in mp2:
if f not in mc:
files.add(f)
for f in mc:
if mc[f] != mp1.get(f, None) or mc[f] != mp2.get(f, None):
files.add(f)
toupload = toupload.union(set([ctx[f].data().strip() for f in files if bfutil.is_standin(f) and f in ctx]))
bfcommands.upload_bfiles(ui, self, remote, toupload)
# Mercurial >= 1.6 takes the newbranch argument, try that first.
try:
return super(bfiles_repo, self).push(remote, force, revs, newbranch)
except TypeError:
return super(bfiles_repo, self).push(remote, force, revs)
repo.__class__ = bfiles_repo
# Add works by going through the files that the user wanted to add
# and checking if they should be added as bfiles. Then making a new
# matcher which matches only the normal files and running the original
# version of add.
def override_add(orig, ui, repo, *pats, **opts):
bf = opts.pop('bf', None)
bfsize = opts.pop('bfsize', None)
if bfsize:
try:
bfsize = int(bfsize)
except ValueError:
raise util.Abort(_('size must be an integer, was %s\n') % bfsize)
else:
if os.path.exists(repo.wjoin(bfutil.short_name)):
bfsize = ui.config(bfutil.long_name, 'size', default='10')
if bfsize:
try:
bfsize = int(bfsize)
except ValueError:
raise util.Abort(_('bfiles.size must be integer, was %s\n') % bfsize)
bfmatcher = None
if os.path.exists(repo.wjoin(bfutil.short_name)):
bfpats = ui.config(bfutil.long_name, 'patterns', default=())
if bfpats:
bfpats = bfpats.split(' ')
bfmatcher = match_.match(repo.root, '', list(bfpats))
bfnames = []
m = cmdutil.match(repo, pats, opts)
m.bad = lambda x,y: None
wctx = repo[None]
for f in repo.walk(m):
exact = m.exact(f)
bfile = bfutil.standin(f) in wctx
nfile = f in wctx
if exact and bfile:
ui.warn(_('%s already a bfile\n') % f)
continue
# Don't warn the user when they attempt to add a normal tracked file. The normal add code
# will do that for us.
if exact and nfile:
continue
if exact or (not bfile and not nfile):
if bf or (bfsize and os.path.getsize(repo.wjoin(f)) >= bfsize*1024*1024) \
or (bfmatcher and bfmatcher(f)):
bfnames.append(f)
if ui.verbose or not exact:
ui.status(_('adding %s as bfile\n') % m.rel(f))
bad = []
standins = []
# Need to lock otherwise there could be a race condition inbetween when standins are created
# and added to the repo
wlock = repo.wlock()
try:
if not opts.get('dry_run'):
bfdirstate = bfutil.open_bfdirstate(ui, repo)
for f in bfnames:
standinname = bfutil.standin(f)
bfutil.write_standin(repo, standinname, hash='', executable=bfutil.get_executable(repo.wjoin(f)))
standins.append(standinname)
if bfdirstate[bfutil.unixpath(f)] == 'r':
bfdirstate.normallookup(bfutil.unixpath(f))
else:
bfdirstate.add(bfutil.unixpath(f))
bfdirstate.write()
bad += [bfutil.split_standin(f) for f in bfutil.repo_add(repo, standins) if f in m.files()]
finally:
wlock.release()
oldmatch = cmdutil.match
manifest = repo[None].manifest()
def override_match(repo, pats=[], opts={}, globbed=False, default='relpath'):
match = oldmatch(repo, pats, opts, globbed, default)
m = copy.copy(match)
notbfile = lambda f: not bfutil.is_standin(f) and bfutil.standin(f) not in manifest
m._files = [f for f in m._files if notbfile(f)]
m._fmap = set(m._files)
orig_matchfn = m.matchfn
m.matchfn = lambda f: notbfile(f) and orig_matchfn(f) or None
return m
cmdutil.match = override_match
result = orig(ui, repo, *pats, **opts)
cmdutil.match = oldmatch
return (result is 1 or bad) and 1 or 0
def override_remove(orig, ui, repo, *pats, **opts):
wctx = repo[None].manifest()
oldmatch = cmdutil.match
def override_match(repo, pats=[], opts={}, globbed=False, default='relpath'):
match = oldmatch(repo, pats, opts, globbed, default)
m = copy.copy(match)
notbfile = lambda f: not bfutil.is_standin(f) and bfutil.standin(f) not in wctx
m._files = [f for f in m._files if notbfile(f)]
m._fmap = set(m._files)
orig_matchfn = m.matchfn
m.matchfn = lambda f: orig_matchfn(f) and notbfile(f)
return m
cmdutil.match = override_match
orig(ui, repo, *pats, **opts)
cmdutil.match = oldmatch
after, force = opts.get('after'), opts.get('force')
if not pats and not after:
raise util.Abort(_('no files specified'))
m = cmdutil.match(repo, pats, opts)
try:
repo.bfstatus = True
s = repo.status(match=m, clean=True)
finally:
repo.bfstatus = False
modified, added, deleted, clean = [[f for f in list if bfutil.standin(f) in wctx] for list in [s[0], s[1], s[3], s[6]]]
def warn(files, reason):
for f in files:
ui.warn(_('not removing %s: file %s (use -f to force removal)\n')
% (m.rel(f), reason))
if force:
remove, forget = modified + deleted + clean, added
elif after:
remove, forget = deleted, []
warn(modified + added + clean, _('still exists'))
else:
remove, forget = deleted + clean, []
warn(modified, _('is modified'))
warn(added, _('has been marked for add'))
for f in sorted(remove + forget):
if ui.verbose or not m.exact(f):
ui.status(_('removing %s\n') % m.rel(f))
# Need to lock because standin files are deleted then removed from the repository
# and we could race inbetween.
wlock = repo.wlock()
try:
bfdirstate = bfutil.open_bfdirstate(ui, repo)
for f in remove:
if not after:
os.unlink(repo.wjoin(f))
currentdir = os.path.split(f)[0]
while currentdir and not os.listdir(repo.wjoin(currentdir)):
os.rmdir(repo.wjoin(currentdir))
currentdir = os.path.split(currentdir)[0]
bfdirstate.remove(bfutil.unixpath(f))
bfdirstate.write()
forget = [bfutil.standin(f) for f in forget]
remove = [bfutil.standin(f) for f in remove]
bfutil.repo_forget(repo, forget)
bfutil.repo_remove(repo, remove, unlink=True)
finally:
wlock.release()
def override_status(orig, ui, repo, *pats, **opts):
try:
repo.bfstatus = True
return orig(ui, repo, *pats, **opts)
finally:
repo.bfstatus = False
def override_verify(orig, ui, repo, *pats, **opts):
bf = opts.pop('bf', False)
all = opts.pop('bfa', False)
contents = opts.pop('bfc', False)
result = orig(ui, repo, *pats, **opts)
if bf:
result = result or bfcommands.verify_bfiles(ui, repo, all, contents)
return result
# Override needs to refresh standins so that update's normal merge
# will go through properly. Then the other update hook (overriding repo.update)
# will get the new files. Filemerge is also overriden so that the merge
# will merge standins correctly.
def override_update(orig, ui, repo, *pats, **opts):
bfdirstate = bfutil.open_bfdirstate(ui, repo)
s = bfdirstate.status(match_.always(repo.root, repo.getcwd()), [], False, False, False)
(unsure, modified, added, removed, missing, unknown, ignored, clean) = s
# Need to lock between the standins getting updated and their bfiles getting updated
wlock = repo.wlock()
try:
if opts['check']:
mod = len(modified) > 0
for bfile in unsure:
standin = bfutil.standin(bfile)
if repo['.'][standin].data().strip() != bfutil.hashfile(repo.wjoin(bfile)):
mod = True
else:
bfdirstate.normal(bfutil.unixpath(bfile))
bfdirstate.write()
if mod:
raise util.Abort(_('uncommitted local changes'))
# XXX handle removed differently
if not opts['clean']:
for bfile in unsure + modified + added:
bfutil.update_standin(repo, bfutil.standin(bfile))
finally:
wlock.release()
return orig(ui, repo, *pats, **opts)
# Override filemerge to prompt the user about how they wish to merge bfiles.
# This will handle identical edits, and copy/rename + edit without prompting the user.
def override_filemerge(origfn, repo, mynode, orig, fcd, fco, fca):
# Use better variable names here. Because this is a wrapper we cannot change
# the variable names in the function declaration.
fcdest, fcother, fcancestor = fcd, fco, fca
if not bfutil.is_standin(orig):
return origfn(repo, mynode, orig, fcdest, fcother, fcancestor)
else:
if not fcother.cmp(fcdest): # files identical?
return None
if fcancestor == fcother: # backwards, use working dir parent as ancestor
fcancestor = fcdest.parents()[0]
if orig != fcother.path():
repo.ui.status(_('merging %s and %s to %s\n')
% (bfutil.split_standin(orig), bfutil.split_standin(fcother.path()), bfutil.split_standin(fcdest.path())))
else:
repo.ui.status(_('merging %s\n') % bfutil.split_standin(fcdest.path()))
if fcancestor.path() != fcother.path() and fcother.data() == fcancestor.data():
return 0
if fcancestor.path() != fcdest.path() and fcdest.data() == fcancestor.data():
repo.wwrite(fcdest.path(), fcother.data(), fcother.flags())
return 0
if repo.ui.promptchoice(_('bfile %s has a merge conflict\n'
'keep (l)ocal or take (o)ther?') % bfutil.split_standin(orig),
(_('&Local'), _('&Other')), 0) == 0:
return 0
else:
repo.wwrite(fcdest.path(), fcother.data(), fcother.flags())
return 0
# Copy first changes the matchers to match standins instead of bfiles.
# Then it overrides util.copyfile in that function it checks if the destination
# bfile already exists. It also keeps a list of copied files so that the bfiles
# can be copied and the dirstate updated.
def override_copy(orig, ui, repo, pats, opts, rename=False):
# doesn't remove bfile on rename
if len(pats) < 2:
# this isn't legal, let the original function deal with it
return orig(ui, repo, pats, opts, rename)
def makestandin(relpath):
return os.path.join(os.path.relpath('.', repo.getcwd()), bfutil.standin(util.canonpath(repo.root, repo.getcwd(), relpath)))
fullpats = cmdutil.expandpats(pats)
dest = fullpats[-1]
if os.path.isdir(dest):
if not os.path.isdir(makestandin(dest)):
os.makedirs(makestandin(dest))
# This could copy both bfiles and normal files in one command, but we don't want
# to do that first replace their matcher to only match normal files and run it
# then replace it to just match bfiles and run it again
nonormalfiles = False
nobfiles = False
oldmatch = cmdutil.match
try:
manifest = repo[None].manifest()
def override_match(repo, pats=[], opts={}, globbed=False, default='relpath'):
match = oldmatch(repo, pats, opts, globbed, default)
m = copy.copy(match)
notbfile = lambda f: not bfutil.is_standin(f) and bfutil.standin(f) not in manifest
m._files = [f for f in m._files if notbfile(f)]
m._fmap = set(m._files)
orig_matchfn = m.matchfn
m.matchfn = lambda f: notbfile(f) and orig_matchfn(f) or None
return m
cmdutil.match = override_match
result = orig(ui, repo, pats, opts, rename)
except util.Abort as e:
if str(e) != 'no files to copy':
raise e
else:
nonormalfiles = True
result = 0
finally:
cmdutil.match = oldmatch
# The first rename can cause our current working directory to be removed. In that case
# there is nothing left to copy/rename so just quit.
try:
repo.getcwd()
except OSError:
return result
try:
# When we call orig below it creates the standins but we don't add them to the dir state
# until later so lock during that time.
wlock = repo.wlock()
manifest = repo[None].manifest()
def override_match(repo, pats=[], opts={}, globbed=False, default='relpath'):
newpats = []
# The patterns were previously mangled to add .hgbfiles, we need to remove that now
for pat in pats:
if match_.patkind(pat) == None and bfutil.short_name in pat:
newpats.append(pat.replace( bfutil.short_name, ''))
else:
newpats.append(pat)
match = oldmatch(repo, newpats, opts, globbed, default)
m = copy.copy(match)
bfile = lambda f: bfutil.standin(f) in manifest
m._files = [bfutil.standin(f) for f in m._files if bfile(f)]
m._fmap = set(m._files)
orig_matchfn = m.matchfn
m.matchfn = lambda f: bfutil.is_standin(f) and bfile(bfutil.split_standin(f)) and orig_matchfn(bfutil.split_standin(f)) or None
return m
cmdutil.match = override_match
listpats = []
for pat in pats:
if match_.patkind(pat) != None:
listpats.append(pat)
else:
listpats.append(makestandin(pat))
try:
origcopyfile = util.copyfile
copiedfiles = []
def override_copyfile(src, dest):
if bfutil.short_name in src and bfutil.short_name in dest:
destbfile = dest.replace(bfutil.short_name, '')
if not opts['force'] and os.path.exists(destbfile):
raise IOError('', _('destination bfile already exists'))
copiedfiles.append((src, dest))
origcopyfile(src, dest)
util.copyfile = override_copyfile
result += orig(ui, repo, listpats, opts, rename)
finally:
util.copyfile = origcopyfile
bfdirstate = bfutil.open_bfdirstate(ui, repo)
for (src, dest) in copiedfiles:
if bfutil.short_name in src and bfutil.short_name in dest:
srcbfile = src.replace(bfutil.short_name, '')
destbfile = dest.replace(bfutil.short_name, '')
destbfiledir = os.path.dirname(destbfile) or '.'
if not os.path.isdir(destbfiledir):
os.makedirs(destbfiledir)
if rename:
os.rename(srcbfile, destbfile)
bfdirstate.remove(bfutil.unixpath(os.path.relpath(srcbfile, repo.root)))
else:
util.copyfile(srcbfile, destbfile)
bfdirstate.add(bfutil.unixpath(os.path.relpath(destbfile, repo.root)))
bfdirstate.write()
except util.Abort as e:
if str(e) != 'no files to copy':
raise e
else:
nobfiles = True
finally:
cmdutil.match = oldmatch
wlock.release()
if nobfiles and nonormalfiles:
raise util.Abort(_('no files to copy'))
return result
# When the user calls revert, we have to be careful to not revert any changes to other
# bfiles accidentally. This means we have to keep track of the bfiles that are
# being reverted so we only pull down the necessary bfiles.
#
# Standins are only updated (to match the hash of bfiles) before commits.
# Update the standins then run the original revert (changing the matcher to hit standins
# instead of bfiles). Based on the resulting standins update the bfiles. Then return the
# standins to their proper state
def override_revert(orig, ui, repo, *pats, **opts):
# Because we put the standins in a bad state (by updating them) and then return them
# to a correct state we need to lock to prevent others from changing them in their
# incorrect state.
wlock = repo.wlock()
try:
bfdirstate = bfutil.open_bfdirstate(ui, repo)
(modified, added, removed, missing, unknown, ignored, clean) = bfutil.bfdirstate_status(bfdirstate, repo, repo['.'].rev())
for bfile in modified:
bfutil.update_standin(repo, bfutil.standin(bfile))
oldmatch = cmdutil.match
try:
ctx = repo[opts.get('rev')]
def override_match(repo, pats=[], opts={}, globbed=False, default='relpath'):
match = oldmatch(repo, pats, opts, globbed, default)
m = copy.copy(match)
def tostandin(f):
if bfutil.standin(f) in repo[None] or bfutil.standin(f) in ctx:
return bfutil.standin(f)
return f
m._files = [tostandin(f) for f in m._files]
m._fmap = set(m._files)
orig_matchfn = m.matchfn
def matchfn(f):
if bfutil.is_standin(f):
# We need to keep track of what bfiles are being matched so we know which
# ones to update later (otherwise we revert changes to other bfiles
# accidentally). This is repo specific, so duckpunch the repo object to
# keep the list of bfiles for us later.
if(orig_matchfn(bfutil.split_standin(f)) and (f in repo[None] or f in ctx)):
bfiles_list = getattr(repo, "_bfiles_to_update", [])
bfiles_list.append(bfutil.split_standin(f))
repo._bfiles_to_update = bfiles_list;
return True
else:
return False
return orig_matchfn(f)
m.matchfn = matchfn
return m
cmdutil.match = override_match
orig(ui, repo, *pats, **opts)
finally:
cmdutil.match = oldmatch
bfiles_list = getattr(repo, "_bfiles_to_update", [])
bfcommands.revert_bfiles(ui, repo, bfiles_list)
# Empty out the bfiles list so we start fresh next time
repo._bfiles_to_update = []
for bfile in modified:
if bfile in bfiles_list:
if os.path.exists(repo.wjoin(bfutil.standin(bfile))) and bfile in repo['.']:
bfutil.write_standin(repo, bfutil.standin(bfile), repo['.'][bfile].data().strip(), 'x' in repo['.'][bfile].flags())
finally:
wlock.release()
def hg_update(orig, repo, node):
result = orig(repo, node)
# XXX check if it worked first
bfcommands.update_bfiles(repo.ui, repo)
return result
def hg_clean(orig, repo, node, show_stats=True):
result = orig(repo, node, show_stats)
bfcommands.update_bfiles(repo.ui, repo)
return result
def hg_merge(orig, repo, node, force=None, remind=True):
result = orig(repo, node, force, remind)
bfcommands.update_bfiles(repo.ui, repo)
return result
# When we rebase a repository with remotely changed bfiles, we need
# to take some extra care so that the bfiles are correctly updated
# in the working copy
def override_pull(orig, ui, repo, source="default", **opts):
if opts.get('rebase', False):
setattr(repo, "_are_rebasing", True)
try:
if opts.get('update'):
del opts['update']
ui.debug('--update and --rebase are not compatible, ignoring '
'the update flag\n')
del opts['rebase']
cmdutil.bail_if_changed(repo)
revsprepull = len(repo)
origpostincoming = commands.postincoming
def _dummy(*args, **kwargs):
pass
commands.postincoming = _dummy
try:
result = commands.pull(ui, repo, source, **opts)
finally:
commands.postincoming = origpostincoming
revspostpull = len(repo)
if revspostpull > revsprepull:
result = result or rebase.rebase(ui, repo)
branch = repo[None].branch()
dest = repo[branch].rev()
finally:
setattr(repo, "_are_rebasing", False)
else:
result = orig(ui, repo, source, **opts)
return result
def override_rebase(orig, ui, repo, **opts):
setattr(repo, "_are_rebasing", True)
try:
orig(ui, repo, **opts)
finally:
setattr(repo, "_are_rebasing", False)
def override_archive(orig, repo, dest, node, kind, decode=True, matchfn=None,
prefix=None, mtime=None, subrepos=None):
# No need to lock because we are only reading history and bfile caches
# neither of which are modified
if kind not in archival.archivers:
raise util.Abort(_("unknown archive type '%s'") % kind)
ctx = repo[node]
# In Mercurial <= 1.5 the prefix is passed to the archiver so try that
# if that doesn't work we are probably in Mercurial >= 1.6 where the
# prefix is not handled by the archiver
try:
archiver = archival.archivers[kind](dest, prefix, mtime or ctx.date()[0])
def write(name, mode, islink, getdata):
if matchfn and not matchfn(name):
return
data = getdata()
if decode:
data = repo.wwritedata(name, data)
archiver.addfile(name, mode, islink, data)
except TypeError:
if kind == 'files':
if prefix:
raise util.Abort(_('cannot give prefix when archiving to files'))
else:
prefix = archival.tidyprefix(dest, kind, prefix)
def write(name, mode, islink, getdata):
if matchfn and not matchfn(name):
return
data = getdata()
if decode:
data = repo.wwritedata(name, data)
archiver.addfile(prefix + name, mode, islink, data)
archiver = archival.archivers[kind](dest, mtime or ctx.date()[0])
if repo.ui.configbool("ui", "archivemeta", True):
def metadata():
base = 'repo: %s\nnode: %s\nbranch: %s\n' % (
hex(repo.changelog.node(0)), hex(node), ctx.branch())
tags = ''.join('tag: %s\n' % t for t in ctx.tags()
if repo.tagtype(t) == 'global')
if not tags:
repo.ui.pushbuffer()
opts = {'template': '{latesttag}\n{latesttagdistance}',
'style': '', 'patch': None, 'git': None}
cmdutil.show_changeset(repo.ui, repo, opts).show(ctx)
ltags, dist = repo.ui.popbuffer().split('\n')
tags = ''.join('latesttag: %s\n' % t for t in ltags.split(':'))
tags += 'latesttagdistance: %s\n' % dist
return base + tags
write('.hg_archival.txt', 0644, False, metadata)
for f in ctx:
ff = ctx.flags(f)
getdata = ctx[f].data
if bfutil.is_standin(f):
path = bfutil.find_file(repo, getdata().strip())
### TODO: What if the file is not cached?
f = bfutil.split_standin(f)
def getdatafn():
with open(path, 'rb') as fd:
return fd.read()
getdata = getdatafn
write(f, 'x' in ff and 0755 or 0644, 'l' in ff, getdata)
archiver.done()
# If a bfile is modified the change is not reflected in its standin until a commit.
# cmdutil.bail_if_changed raises an exception if the repo has uncommitted changes.
# Wrap it to also check if bfiles were changed. This is used by bisect and backout.
def override_bail_if_changed(orig, repo):
orig(repo)
repo.bfstatus = True
modified, added, removed, deleted = repo.status()[:4]
repo.bfstatus = False
if modified or added or removed or deleted:
raise util.Abort(_('outstanding uncommitted changes'))
# Fetch doesn't use cmdutil.bail_if_changed so override it to add the check
def override_fetch(orig, ui, repo, *pats, **opts):
repo.bfstatus = True
modified, added, removed, deleted = repo.status()[:4]
repo.bfstatus = False
if modified or added or removed or deleted:
raise util.Abort(_('outstanding uncommitted changes'))
return orig(ui, repo, *pats, **opts)
def override_forget(orig, ui, repo, *pats, **opts):
wctx = repo[None].manifest()
oldmatch = cmdutil.match
def override_match(repo, pats=[], opts={}, globbed=False, default='relpath'):
match = oldmatch(repo, pats, opts, globbed, default)
m = copy.copy(match)
notbfile = lambda f: not bfutil.is_standin(f) and bfutil.standin(f) not in wctx
m._files = [f for f in m._files if notbfile(f)]
m._fmap = set(m._files)
orig_matchfn = m.matchfn
m.matchfn = lambda f: orig_matchfn(f) and notbfile(f)
return m
cmdutil.match = override_match
orig(ui, repo, *pats, **opts)
cmdutil.match = oldmatch
m = cmdutil.match(repo, pats, opts)
try:
repo.bfstatus = True
s = repo.status(match=m, clean=True)
finally:
repo.bfstatus = False
forget = sorted(s[0] + s[1] + s[3] + s[6])
forget = [f for f in forget if bfutil.standin(f) in wctx]
for f in forget:
if bfutil.standin(f) not in repo.dirstate and not os.path.isdir(m.rel(bfutil.standin(f))):
ui.warn(_('not removing %s: file is already untracked\n')
% m.rel(f))
for f in forget:
if ui.verbose or not m.exact(f):
ui.status(_('removing %s\n') % m.rel(f))
# Need to lock because standin files are deleted then removed from the repository
# and we could race inbetween.
wlock = repo.wlock()
try:
bfdirstate = bfutil.open_bfdirstate(ui, repo)
for f in forget:
bfdirstate.remove(bfutil.unixpath(f))
bfdirstate.write()
bfutil.repo_remove(repo, [bfutil.standin(f) for f in forget], unlink=True)
finally:
wlock.release()
def get_outgoing_bfiles(ui, repo, dest=None, **opts):
dest = ui.expandpath(dest or 'default-push', dest or 'default')
dest, branches = hg.parseurl(dest, opts.get('branch'))
revs, checkout = hg.addbranchrevs(repo, repo, branches, opts.get('rev'))
if revs:
revs = [repo.lookup(rev) for rev in revs]
# Mercurial <= 1.5 had remoteui in cmdutil, then it moved to hg
try:
remoteui = cmdutil.remoteui
except AttributeError:
remoteui = hg.remoteui
try:
remote = hg.repository(remoteui(repo, opts), dest)
except error.RepoError:
return None
o = bfutil.findoutgoing(repo, remote, False)
if not o:
return None
o = repo.changelog.nodesbetween(o, revs)[0]
if opts.get('newest_first'):
o.reverse()
toupload = set()
for n in o:
parents = [p for p in repo.changelog.parents(n) if p != node.nullid]
ctx = repo[n]
files = set(ctx.files())
if len(parents) == 2:
mc = ctx.manifest()
mp1 = ctx.parents()[0].manifest()
mp2 = ctx.parents()[1].manifest()
for f in mp1:
if f not in mc:
files.add(f)
for f in mp2:
if f not in mc:
files.add(f)
for f in mc:
if mc[f] != mp1.get(f, None) or mc[f] != mp2.get(f, None):
files.add(f)
toupload = toupload.union(set([f for f in files if bfutil.is_standin(f) and f in ctx]))
return toupload
def override_outgoing(orig, ui, repo, dest=None, **opts):
orig(ui, repo, dest, **opts)
if opts.pop('bf', None):
toupload = get_outgoing_bfiles(ui, repo, dest, **opts)
if toupload is None:
ui.status(_('kbfiles: No remote repo\n'))
else:
ui.status(_('kbfiles to upload:\n'))
for file in toupload:
ui.status(bfutil.split_standin(file) + '\n')
ui.status('\n')
def override_summary(orig, ui, repo, *pats, **opts):
orig(ui, repo, *pats, **opts)
if opts.pop('bf', None):
toupload = get_outgoing_bfiles(ui, repo, None, **opts)
if toupload is None:
ui.status(_('kbfiles: No remote repo\n'))
else:
ui.status(_('kbfiles: %d to upload\n') % len(toupload))
def override_addremove(orig, ui, repo, *pats, **opts):
# Check if the parent or child has bfiles if they do don't allow it.
# If there is a symlink in the manifest then getting the manifest throws an exception
# catch it and let addremove deal with it. This happens in Mercurial's test
# test-addremove-symlink
try:
manifesttip = set(repo['tip'].manifest())
except util.Abort:
manifesttip = set()
try:
manifestworking = set(repo[None].manifest())
except util.Abort:
manifestworking = set()
# Manifests are only iterable so turn them into sets then union
for file in manifesttip.union(manifestworking):
if file.startswith(bfutil.short_name):
raise util.Abort(_('addremove cannot be run on a repo with bfiles'))
return orig(ui, repo, *pats, **opts)
# Calling purge with --all will cause the kbfiles to be deleted, but doesn't
# re-populate them. We must do it explicitly. It doesn't hurt anything to
# be safe and update them the rest of the time after calling purge, either.
def override_purge(orig, ui, repo, *dirs, **opts):
orig(ui, repo, *dirs, **opts)
bfcommands.update_bfiles(repo.ui, repo)
def uisetup(ui):
# Disable auto-status for some commands which assume that all
# files in the result are under Mercurial's control
entry = extensions.wrapcommand(commands.table, 'add', override_add)
addopt = [('', 'bf', None, _('add as bfile')),
('', 'bfsize', '', _('add all files above this size (in megabytes) as bfiles (default: 10)'))]
entry[1].extend(addopt)
entry = extensions.wrapcommand(commands.table, 'addremove', override_addremove)
entry = extensions.wrapcommand(commands.table, 'remove', override_remove)
entry = extensions.wrapcommand(commands.table, 'forget', override_forget)
entry = extensions.wrapcommand(commands.table, 'status', override_status)
entry = extensions.wrapcommand(commands.table, 'verify', override_verify)
verifyopt = [('', 'bf', None, _('verify bfiles')),
('', 'bfa', None, _('verify all revisions of bfiles not just current')),
('', 'bfc', None, _('verify bfile contents not just existence'))]
entry[1].extend(verifyopt)
entry = extensions.wrapcommand(commands.table, 'outgoing', override_outgoing)
outgoingopt = [('', 'bf', None, _('display outgoing bfiles'))]
entry[1].extend(outgoingopt)
entry = extensions.wrapcommand(commands.table, 'summary', override_summary)
summaryopt = [('', 'bf', None, _('display outgoing bfiles'))]
entry[1].extend(summaryopt)
entry = extensions.wrapcommand(commands.table, 'update', override_update)
entry = extensions.wrapcommand(commands.table, 'pull', override_pull)
entry = extensions.wrapfunction(filemerge, 'filemerge', override_filemerge)
entry = extensions.wrapfunction(cmdutil, 'copy', override_copy)
# Backout calls revert so we need to override both the command and the function
entry = extensions.wrapcommand(commands.table, 'revert', override_revert)
entry = extensions.wrapfunction(commands, 'revert', override_revert)
# clone uses hg._update instead of hg.update even though they are the
# same function... so wrap both of them)
extensions.wrapfunction(hg, 'update', hg_update)
extensions.wrapfunction(hg, '_update', hg_update)
extensions.wrapfunction(hg, 'clean', hg_clean)
extensions.wrapfunction(hg, 'merge', hg_merge)
extensions.wrapfunction(archival, 'archive', override_archive)
extensions.wrapfunction(cmdutil, 'bail_if_changed', override_bail_if_changed)
for name, module in extensions.extensions():
if name == 'fetch':
extensions.wrapcommand(getattr(module, 'cmdtable'), 'fetch', override_fetch)
if name == 'purge':
extensions.wrapcommand(getattr(module, 'cmdtable'), 'purge', override_purge)
if name == 'rebase':
extensions.wrapcommand(getattr(module, 'cmdtable'), 'rebase', override_rebase)
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