def __init__(self, root, callback=None):
self.audited = set()
self.auditeddir = set()
self.root = root
self.callback = callback
if os.path.lexists(root) and not util.checkcase(root):
self.normcase = util.normcase
else:
self.normcase = lambda x: x
def __init__(self, root, callback=None):
self.audited = set()
self.auditeddir = set()
self.root = root
self.callback = callback
if os.path.lexists(root) and not util.checkcase(root):
self.normcase = util.normcase
else:
self.normcase = lambda x: x
def _checkcase(self):
return not util.checkcase(self._join('.hg'))
def manifestmerge(repo, wctx, p2, pa, branchmerge, force, partial,
acceptremote, followcopies):
"""
Merge p1 and p2 with ancestor pa and generate merge action list
branchmerge and force are as passed in to update
partial = function to filter file lists
acceptremote = accept the incoming changes without prompting
"""
actions = dict((m, []) for m in 'a f g cd dc r dm dg m dr e rd k'.split())
copy, movewithdir = {}, {}
# manifests fetched in order are going to be faster, so prime the caches
[
x.manifest()
for x in sorted(wctx.parents() + [p2, pa], key=lambda x: x.rev())
]
if followcopies:
ret = copies.mergecopies(repo, wctx, p2, pa)
copy, movewithdir, diverge, renamedelete = ret
for of, fl in diverge.iteritems():
actions['dr'].append((of, (fl, ), "divergent renames"))
for of, fl in renamedelete.iteritems():
actions['rd'].append((of, (fl, ), "rename and delete"))
repo.ui.note(_("resolving manifests\n"))
repo.ui.debug(" branchmerge: %s, force: %s, partial: %s\n" %
(bool(branchmerge), bool(force), bool(partial)))
repo.ui.debug(" ancestor: %s, local: %s, remote: %s\n" % (pa, wctx, p2))
m1, m2, ma = wctx.manifest(), p2.manifest(), pa.manifest()
copied = set(copy.values())
copied.update(movewithdir.values())
if '.hgsubstate' in m1:
# check whether sub state is modified
for s in sorted(wctx.substate):
if wctx.sub(s).dirty():
m1['.hgsubstate'] += "+"
break
aborts = []
# Compare manifests
diff = m1.diff(m2)
for f, ((n1, fl1), (n2, fl2)) in diff.iteritems():
if partial and not partial(f):
continue
if n1 and n2:
fa = f
a = ma.get(f, nullid)
if a == nullid:
fa = copy.get(f, f)
# Note: f as default is wrong - we can't really make a 3-way
# merge without an ancestor file.
fla = ma.flags(fa)
nol = 'l' not in fl1 + fl2 + fla
if n2 == a and fl2 == fla:
actions['k'].append((f, (), "keep")) # remote unchanged
elif n1 == a and fl1 == fla: # local unchanged - use remote
if n1 == n2: # optimization: keep local content
actions['e'].append((f, (fl2, ), "update permissions"))
else:
actions['g'].append((f, (fl2, ), "remote is newer"))
elif nol and n2 == a: # remote only changed 'x'
actions['e'].append((f, (fl2, ), "update permissions"))
elif nol and n1 == a: # local only changed 'x'
actions['g'].append((f, (fl1, ), "remote is newer"))
else: # both changed something
actions['m'].append(
(f, (f, f, fa, False, pa.node()), "versions differ"))
elif f in copied: # files we'll deal with on m2 side
pass
elif n1 and f in movewithdir: # directory rename, move local
f2 = movewithdir[f]
actions['dm'].append(
(f2, (f, fl1), "remote directory rename - move from " + f))
elif n1 and f in copy:
f2 = copy[f]
actions['m'].append((f, (f, f2, f2, False, pa.node()),
"local copied/moved from " + f2))
elif n1 and f in ma: # clean, a different, no remote
if n1 != ma[f]:
if acceptremote:
actions['r'].append((f, None, "remote delete"))
else:
actions['cd'].append((f, None, "prompt changed/deleted"))
elif n1[20:] == "a": # added, no remote
actions['f'].append((f, None, "remote deleted"))
else:
actions['r'].append((f, None, "other deleted"))
elif n2 and f in movewithdir:
f2 = movewithdir[f]
actions['dg'].append(
(f2, (f, fl2), "local directory rename - get from " + f))
elif n2 and f in copy:
f2 = copy[f]
if f2 in m2:
actions['m'].append((f, (f2, f, f2, False, pa.node()),
"remote copied from " + f2))
else:
actions['m'].append((f, (f2, f, f2, True, pa.node()),
"remote moved from " + f2))
elif n2 and f not in ma:
# local unknown, remote created: the logic is described by the
# following table:
#
# force branchmerge different | action
# n * n | get
# n * y | abort
# y n * | get
# y y n | get
# y y y | merge
#
# Checking whether the files are different is expensive, so we
# don't do that when we can avoid it.
if force and not branchmerge:
actions['g'].append((f, (fl2, ), "remote created"))
else:
different = _checkunknownfile(repo, wctx, p2, f)
if force and branchmerge and different:
# FIXME: This is wrong - f is not in ma ...
actions['m'].append(
(f, (f, f, f, False, pa.node()),
"remote differs from untracked local"))
elif not force and different:
aborts.append((f, "ud"))
else:
actions['g'].append((f, (fl2, ), "remote created"))
elif n2 and n2 != ma[f]:
different = _checkunknownfile(repo, wctx, p2, f)
if not force and different:
aborts.append((f, "ud"))
else:
# if different: old untracked f may be overwritten and lost
if acceptremote:
actions['g'].append(
(f, (m2.flags(f), ), "remote recreating"))
else:
actions['dc'].append(
(f, (m2.flags(f), ), "prompt deleted/changed"))
for f, m in sorted(aborts):
if m == "ud":
repo.ui.warn(_("%s: untracked file differs\n") % f)
else:
assert False, m
if aborts:
raise util.Abort(
_("untracked files in working directory differ "
"from files in requested revision"))
if not util.checkcase(repo.path):
# check collision between files only in p2 for clean update
if (not branchmerge
and (force or not wctx.dirty(missing=True, branch=False))):
_checkcollision(repo, m2, None)
else:
_checkcollision(repo, m1, actions)
return actions
def _checkcase(self):
return not util.checkcase(self._join('.hg'))
def update(repo, node, branchmerge, force, partial):
"""
Perform a merge between the working directory and the given node
branchmerge = whether to merge between branches
force = whether to force branch merging or file overwriting
partial = a function to filter file lists (dirstate not updated)
"""
wlock = repo.wlock()
try:
wc = repo[None]
if node is None:
# tip of current branch
try:
node = repo.branchtags()[wc.branch()]
except KeyError:
if wc.branch() == "default": # no default branch!
node = repo.lookup("tip") # update to tip
else:
raise util.Abort(_("branch %s not found") % wc.branch())
overwrite = force and not branchmerge
pl = wc.parents()
p1, p2 = pl[0], repo[node]
pa = p1.ancestor(p2)
fp1, fp2, xp1, xp2 = p1.node(), p2.node(), str(p1), str(p2)
fastforward = False
### check phase
if not overwrite and len(pl) > 1:
raise util.Abort(_("outstanding uncommitted merges"))
if branchmerge:
if pa == p2:
raise util.Abort(_("can't merge with ancestor"))
elif pa == p1:
if p1.branch() != p2.branch():
fastforward = True
else:
raise util.Abort(
_("nothing to merge (use 'hg update'"
" or check 'hg heads')"))
if not force and (wc.files() or wc.deleted()):
raise util.Abort(
_("outstanding uncommitted changes "
"(use 'hg status' to list changes)"))
elif not overwrite:
if pa == p1 or pa == p2: # linear
pass # all good
elif p1.branch() == p2.branch():
if wc.files() or wc.deleted():
raise util.Abort(
_("crosses branches (use 'hg merge' or "
"'hg update -C' to discard changes)"))
raise util.Abort(
_("crosses branches (use 'hg merge' "
"or 'hg update -C')"))
elif wc.files() or wc.deleted():
raise util.Abort(
_("crosses named branches (use "
"'hg update -C' to discard changes)"))
else:
# Allow jumping branches if there are no changes
overwrite = True
### calculate phase
action = []
if not force:
_checkunknown(wc, p2)
if not util.checkcase(repo.path):
_checkcollision(p2)
action += _forgetremoved(wc, p2, branchmerge)
action += manifestmerge(repo, wc, p2, pa, overwrite, partial)
### apply phase
if not branchmerge: # just jump to the new rev
fp1, fp2, xp1, xp2 = fp2, nullid, xp2, ''
if not partial:
repo.hook('preupdate', throw=True, parent1=xp1, parent2=xp2)
stats = applyupdates(repo, action, wc, p2)
if not partial:
recordupdates(repo, action, branchmerge)
repo.dirstate.setparents(fp1, fp2)
if not branchmerge and not fastforward:
repo.dirstate.setbranch(p2.branch())
repo.hook('update', parent1=xp1, parent2=xp2, error=stats[3])
return stats
finally:
wlock.release()
def update(repo, node, branchmerge, force, partial):
"""
Perform a merge between the working directory and the given node
node = the node to update to, or None if unspecified
branchmerge = whether to merge between branches
force = whether to force branch merging or file overwriting
partial = a function to filter file lists (dirstate not updated)
The table below shows all the behaviors of the update command
given the -c and -C or no options, whether the working directory
is dirty, whether a revision is specified, and the relationship of
the parent rev to the target rev (linear, on the same named
branch, or on another named branch).
This logic is tested by test-update-branches.t.
-c -C dirty rev | linear same cross
n n n n | ok (1) x
n n n y | ok ok ok
n n y * | merge (2) (2)
n y * * | --- discard ---
y n y * | --- (3) ---
y n n * | --- ok ---
y y * * | --- (4) ---
x = can't happen
* = don't-care
1 = abort: crosses branches (use 'hg merge' or 'hg update -c')
2 = abort: crosses branches (use 'hg merge' to merge or
use 'hg update -C' to discard changes)
3 = abort: uncommitted local changes
4 = incompatible options (checked in commands.py)
"""
onode = node
wlock = repo.wlock()
try:
wc = repo[None]
if node is None:
# tip of current branch
try:
node = repo.branchtags()[wc.branch()]
except KeyError:
if wc.branch() == "default": # no default branch!
node = repo.lookup("tip") # update to tip
else:
raise util.Abort(_("branch %s not found") % wc.branch())
overwrite = force and not branchmerge
pl = wc.parents()
p1, p2 = pl[0], repo[node]
pa = p1.ancestor(p2)
fp1, fp2, xp1, xp2 = p1.node(), p2.node(), str(p1), str(p2)
fastforward = False
### check phase
if not overwrite and len(pl) > 1:
raise util.Abort(_("outstanding uncommitted merges"))
if branchmerge:
if pa == p2:
raise util.Abort(_("merging with a working directory ancestor"
" has no effect"))
elif pa == p1:
if p1.branch() != p2.branch():
fastforward = True
else:
raise util.Abort(_("nothing to merge (use 'hg update'"
" or check 'hg heads')"))
if not force and (wc.files() or wc.deleted()):
raise util.Abort(_("outstanding uncommitted changes "
"(use 'hg status' to list changes)"))
elif not overwrite:
if pa == p1 or pa == p2: # linear
pass # all good
elif wc.files() or wc.deleted():
raise util.Abort(_("crosses branches (merge branches or use"
" --clean to discard changes)"))
elif onode is None:
raise util.Abort(_("crosses branches (merge branches or use"
" --check to force update)"))
else:
# Allow jumping branches if clean and specific rev given
overwrite = True
### calculate phase
action = []
wc.status(unknown=True) # prime cache
if not force:
_checkunknown(wc, p2)
if not util.checkcase(repo.path):
_checkcollision(p2)
action += _forgetremoved(wc, p2, branchmerge)
action += manifestmerge(repo, wc, p2, pa, overwrite, partial)
### apply phase
if not branchmerge: # just jump to the new rev
fp1, fp2, xp1, xp2 = fp2, nullid, xp2, ''
if not partial:
repo.hook('preupdate', throw=True, parent1=xp1, parent2=xp2)
stats = applyupdates(repo, action, wc, p2, pa, overwrite)
if not partial:
repo.dirstate.setparents(fp1, fp2)
recordupdates(repo, action, branchmerge)
if not branchmerge and not fastforward:
repo.dirstate.setbranch(p2.branch())
finally:
wlock.release()
if not partial:
repo.hook('update', parent1=xp1, parent2=xp2, error=stats[3])
return stats
def manifestmerge(repo, wctx, p2, pa, branchmerge, force, partial,
acceptremote=False):
"""
Merge p1 and p2 with ancestor pa and generate merge action list
branchmerge and force are as passed in to update
partial = function to filter file lists
acceptremote = accept the incoming changes without prompting
"""
overwrite = force and not branchmerge
actions, copy, movewithdir = [], {}, {}
followcopies = False
if overwrite:
pa = wctx
elif pa == p2: # backwards
pa = wctx.p1()
elif not branchmerge and not wctx.dirty(missing=True):
pass
elif pa and repo.ui.configbool("merge", "followcopies", True):
followcopies = True
# manifests fetched in order are going to be faster, so prime the caches
[x.manifest() for x in
sorted(wctx.parents() + [p2, pa], key=lambda x: x.rev())]
if followcopies:
ret = copies.mergecopies(repo, wctx, p2, pa)
copy, movewithdir, diverge, renamedelete = ret
for of, fl in diverge.iteritems():
actions.append((of, "dr", (fl,), "divergent renames"))
for of, fl in renamedelete.iteritems():
actions.append((of, "rd", (fl,), "rename and delete"))
repo.ui.note(_("resolving manifests\n"))
repo.ui.debug(" branchmerge: %s, force: %s, partial: %s\n"
% (bool(branchmerge), bool(force), bool(partial)))
repo.ui.debug(" ancestor: %s, local: %s, remote: %s\n" % (pa, wctx, p2))
m1, m2, ma = wctx.manifest(), p2.manifest(), pa.manifest()
copied = set(copy.values())
copied.update(movewithdir.values())
if '.hgsubstate' in m1:
# check whether sub state is modified
for s in sorted(wctx.substate):
if wctx.sub(s).dirty():
m1['.hgsubstate'] += "+"
break
aborts, prompts = [], []
# Compare manifests
fdiff = dicthelpers.diff(m1, m2)
flagsdiff = m1.flagsdiff(m2)
diff12 = dicthelpers.join(fdiff, flagsdiff)
for f, (n12, fl12) in diff12.iteritems():
if n12:
n1, n2 = n12
else: # file contents didn't change, but flags did
n1 = n2 = m1.get(f, None)
if n1 is None:
# Since n1 == n2, the file isn't present in m2 either. This
# means that the file was removed or deleted locally and
# removed remotely, but that residual entries remain in flags.
# This can happen in manifests generated by workingctx.
continue
if fl12:
fl1, fl2 = fl12
else: # flags didn't change, file contents did
fl1 = fl2 = m1.flags(f)
if partial and not partial(f):
continue
if n1 and n2:
fla = ma.flags(f)
nol = 'l' not in fl1 + fl2 + fla
a = ma.get(f, nullid)
if n2 == a and fl2 == fla:
pass # remote unchanged - keep local
elif n1 == a and fl1 == fla: # local unchanged - use remote
if n1 == n2: # optimization: keep local content
actions.append((f, "e", (fl2,), "update permissions"))
else:
actions.append((f, "g", (fl2,), "remote is newer"))
elif nol and n2 == a: # remote only changed 'x'
actions.append((f, "e", (fl2,), "update permissions"))
elif nol and n1 == a: # local only changed 'x'
actions.append((f, "g", (fl1,), "remote is newer"))
else: # both changed something
actions.append((f, "m", (f, f, False), "versions differ"))
elif f in copied: # files we'll deal with on m2 side
pass
elif n1 and f in movewithdir: # directory rename
f2 = movewithdir[f]
actions.append((f, "d", (None, f2, fl1),
"remote renamed directory to " + f2))
elif n1 and f in copy:
f2 = copy[f]
actions.append((f, "m", (f2, f, False),
"local copied/moved to " + f2))
elif n1 and f in ma: # clean, a different, no remote
if n1 != ma[f]:
prompts.append((f, "cd")) # prompt changed/deleted
elif n1[20:] == "a": # added, no remote
actions.append((f, "f", None, "remote deleted"))
else:
actions.append((f, "r", None, "other deleted"))
elif n2 and f in movewithdir:
f2 = movewithdir[f]
actions.append((None, "d", (f, f2, fl2),
"local renamed directory to " + f2))
elif n2 and f in copy:
f2 = copy[f]
if f2 in m2:
actions.append((f2, "m", (f, f, False),
"remote copied to " + f))
else:
actions.append((f2, "m", (f, f, True),
"remote moved to " + f))
elif n2 and f not in ma:
# local unknown, remote created: the logic is described by the
# following table:
#
# force branchmerge different | action
# n * n | get
# n * y | abort
# y n * | get
# y y n | get
# y y y | merge
#
# Checking whether the files are different is expensive, so we
# don't do that when we can avoid it.
if force and not branchmerge:
actions.append((f, "g", (fl2,), "remote created"))
else:
different = _checkunknownfile(repo, wctx, p2, f)
if force and branchmerge and different:
actions.append((f, "m", (f, f, False),
"remote differs from untracked local"))
elif not force and different:
aborts.append((f, "ud"))
else:
actions.append((f, "g", (fl2,), "remote created"))
elif n2 and n2 != ma[f]:
prompts.append((f, "dc")) # prompt deleted/changed
for f, m in sorted(aborts):
if m == "ud":
repo.ui.warn(_("%s: untracked file differs\n") % f)
else: assert False, m
if aborts:
raise util.Abort(_("untracked files in working directory differ "
"from files in requested revision"))
if not util.checkcase(repo.path):
# check collision between files only in p2 for clean update
if (not branchmerge and
(force or not wctx.dirty(missing=True, branch=False))):
_checkcollision(repo, m2, [], [])
else:
_checkcollision(repo, m1, actions, prompts)
for f, m in sorted(prompts):
if m == "cd":
if acceptremote:
actions.append((f, "r", None, "remote delete"))
elif repo.ui.promptchoice(
_("local changed %s which remote deleted\n"
"use (c)hanged version or (d)elete?"
"$$ &Changed $$ &Delete") % f, 0):
actions.append((f, "r", None, "prompt delete"))
else:
actions.append((f, "a", None, "prompt keep"))
elif m == "dc":
if acceptremote:
actions.append((f, "g", (m2.flags(f),), "remote recreating"))
elif repo.ui.promptchoice(
_("remote changed %s which local deleted\n"
"use (c)hanged version or leave (d)eleted?"
"$$ &Changed $$ &Deleted") % f, 0) == 0:
actions.append((f, "g", (m2.flags(f),), "prompt recreating"))
else: assert False, m
return actions
def update(repo, node, branchmerge, force, partial, ancestor=None):
"""
Perform a merge between the working directory and the given node
node = the node to update to, or None if unspecified
branchmerge = whether to merge between branches
force = whether to force branch merging or file overwriting
partial = a function to filter file lists (dirstate not updated)
The table below shows all the behaviors of the update command
given the -c and -C or no options, whether the working directory
is dirty, whether a revision is specified, and the relationship of
the parent rev to the target rev (linear, on the same named
branch, or on another named branch).
This logic is tested by test-update-branches.t.
-c -C dirty rev | linear same cross
n n n n | ok (1) x
n n n y | ok ok ok
n n y * | merge (2) (2)
n y * * | --- discard ---
y n y * | --- (3) ---
y n n * | --- ok ---
y y * * | --- (4) ---
x = can't happen
* = don't-care
1 = abort: crosses branches (use 'hg merge' or 'hg update -c')
2 = abort: crosses branches (use 'hg merge' to merge or
use 'hg update -C' to discard changes)
3 = abort: uncommitted local changes
4 = incompatible options (checked in commands.py)
Return the same tuple as applyupdates().
"""
onode = node
wlock = repo.wlock()
try:
wc = repo[None]
if node is None:
# tip of current branch
try:
node = repo.branchtags()[wc.branch()]
except KeyError:
if wc.branch() == "default": # no default branch!
node = repo.lookup("tip") # update to tip
else:
raise util.Abort(_("branch %s not found") % wc.branch())
overwrite = force and not branchmerge
pl = wc.parents()
p1, p2 = pl[0], repo[node]
if ancestor:
pa = repo[ancestor]
else:
pa = p1.ancestor(p2)
fp1, fp2, xp1, xp2 = p1.node(), p2.node(), str(p1), str(p2)
### check phase
if not overwrite and len(pl) > 1:
raise util.Abort(_("outstanding uncommitted merges"))
if branchmerge:
if pa == p2:
raise util.Abort(
_("merging with a working directory ancestor"
" has no effect"))
elif pa == p1:
if p1.branch() == p2.branch():
raise util.Abort(_("nothing to merge"),
hint=_("use 'hg update' "
"or check 'hg heads'"))
if not force and (wc.files() or wc.deleted()):
raise util.Abort(_("outstanding uncommitted changes"),
hint=_("use 'hg status' to list changes"))
for s in wc.substate:
if wc.sub(s).dirty():
raise util.Abort(
_("outstanding uncommitted changes in "
"subrepository '%s'") % s)
elif not overwrite:
if pa == p1 or pa == p2: # linear
pass # all good
elif wc.dirty(missing=True):
raise util.Abort(
_("crosses branches (merge branches or use"
" --clean to discard changes)"))
elif onode is None:
raise util.Abort(
_("crosses branches (merge branches or update"
" --check to force update)"))
else:
# Allow jumping branches if clean and specific rev given
overwrite = True
### calculate phase
action = []
wc.status(unknown=True) # prime cache
folding = not util.checkcase(repo.path)
if not force:
_checkunknown(wc, p2, folding)
if folding:
_checkcollision(p2, branchmerge and p1)
action += _forgetremoved(wc, p2, branchmerge)
action += manifestmerge(repo, wc, p2, pa, overwrite, partial)
### apply phase
if not branchmerge: # just jump to the new rev
fp1, fp2, xp1, xp2 = fp2, nullid, xp2, ''
if not partial:
repo.hook('preupdate', throw=True, parent1=xp1, parent2=xp2)
stats = applyupdates(repo, action, wc, p2, pa, overwrite)
if not partial:
repo.dirstate.setparents(fp1, fp2)
recordupdates(repo, action, branchmerge)
if not branchmerge:
repo.dirstate.setbranch(p2.branch())
finally:
wlock.release()
if not partial:
repo.hook('update', parent1=xp1, parent2=xp2, error=stats[3])
return stats
def manifestmerge(repo, wctx, p2, pa, branchmerge, force, partial,
acceptremote, followcopies):
"""
Merge p1 and p2 with ancestor pa and generate merge action list
branchmerge and force are as passed in to update
partial = function to filter file lists
acceptremote = accept the incoming changes without prompting
"""
actions = dict((m, []) for m in 'a f g cd dc r dm dg m dr e rd k'.split())
copy, movewithdir = {}, {}
# manifests fetched in order are going to be faster, so prime the caches
[x.manifest() for x in
sorted(wctx.parents() + [p2, pa], key=lambda x: x.rev())]
if followcopies:
ret = copies.mergecopies(repo, wctx, p2, pa)
copy, movewithdir, diverge, renamedelete = ret
for of, fl in diverge.iteritems():
actions['dr'].append((of, (fl,), "divergent renames"))
for of, fl in renamedelete.iteritems():
actions['rd'].append((of, (fl,), "rename and delete"))
repo.ui.note(_("resolving manifests\n"))
repo.ui.debug(" branchmerge: %s, force: %s, partial: %s\n"
% (bool(branchmerge), bool(force), bool(partial)))
repo.ui.debug(" ancestor: %s, local: %s, remote: %s\n" % (pa, wctx, p2))
m1, m2, ma = wctx.manifest(), p2.manifest(), pa.manifest()
copied = set(copy.values())
copied.update(movewithdir.values())
if '.hgsubstate' in m1:
# check whether sub state is modified
for s in sorted(wctx.substate):
if wctx.sub(s).dirty():
m1['.hgsubstate'] += "+"
break
aborts = []
# Compare manifests
diff = m1.diff(m2)
for f, ((n1, fl1), (n2, fl2)) in diff.iteritems():
if partial and not partial(f):
continue
if n1 and n2:
fa = f
a = ma.get(f, nullid)
if a == nullid:
fa = copy.get(f, f)
# Note: f as default is wrong - we can't really make a 3-way
# merge without an ancestor file.
fla = ma.flags(fa)
nol = 'l' not in fl1 + fl2 + fla
if n2 == a and fl2 == fla:
actions['k'].append((f, (), "keep")) # remote unchanged
elif n1 == a and fl1 == fla: # local unchanged - use remote
if n1 == n2: # optimization: keep local content
actions['e'].append((f, (fl2,), "update permissions"))
else:
actions['g'].append((f, (fl2,), "remote is newer"))
elif nol and n2 == a: # remote only changed 'x'
actions['e'].append((f, (fl2,), "update permissions"))
elif nol and n1 == a: # local only changed 'x'
actions['g'].append((f, (fl1,), "remote is newer"))
else: # both changed something
actions['m'].append((f, (f, f, fa, False, pa.node()),
"versions differ"))
elif f in copied: # files we'll deal with on m2 side
pass
elif n1 and f in movewithdir: # directory rename, move local
f2 = movewithdir[f]
actions['dm'].append((f2, (f, fl1),
"remote directory rename - move from " + f))
elif n1 and f in copy:
f2 = copy[f]
actions['m'].append((f, (f, f2, f2, False, pa.node()),
"local copied/moved from " + f2))
elif n1 and f in ma: # clean, a different, no remote
if n1 != ma[f]:
if acceptremote:
actions['r'].append((f, None, "remote delete"))
else:
actions['cd'].append((f, None, "prompt changed/deleted"))
elif n1[20:] == "a": # added, no remote
actions['f'].append((f, None, "remote deleted"))
else:
actions['r'].append((f, None, "other deleted"))
elif n2 and f in movewithdir:
f2 = movewithdir[f]
actions['dg'].append((f2, (f, fl2),
"local directory rename - get from " + f))
elif n2 and f in copy:
f2 = copy[f]
if f2 in m2:
actions['m'].append((f, (f2, f, f2, False, pa.node()),
"remote copied from " + f2))
else:
actions['m'].append((f, (f2, f, f2, True, pa.node()),
"remote moved from " + f2))
elif n2 and f not in ma:
# local unknown, remote created: the logic is described by the
# following table:
#
# force branchmerge different | action
# n * n | get
# n * y | abort
# y n * | get
# y y n | get
# y y y | merge
#
# Checking whether the files are different is expensive, so we
# don't do that when we can avoid it.
if force and not branchmerge:
actions['g'].append((f, (fl2,), "remote created"))
else:
different = _checkunknownfile(repo, wctx, p2, f)
if force and branchmerge and different:
# FIXME: This is wrong - f is not in ma ...
actions['m'].append((f, (f, f, f, False, pa.node()),
"remote differs from untracked local"))
elif not force and different:
aborts.append((f, "ud"))
else:
actions['g'].append((f, (fl2,), "remote created"))
elif n2 and n2 != ma[f]:
different = _checkunknownfile(repo, wctx, p2, f)
if not force and different:
aborts.append((f, "ud"))
else:
# if different: old untracked f may be overwritten and lost
if acceptremote:
actions['g'].append((f, (m2.flags(f),),
"remote recreating"))
else:
actions['dc'].append((f, (m2.flags(f),),
"prompt deleted/changed"))
for f, m in sorted(aborts):
if m == "ud":
repo.ui.warn(_("%s: untracked file differs\n") % f)
else: assert False, m
if aborts:
raise util.Abort(_("untracked files in working directory differ "
"from files in requested revision"))
if not util.checkcase(repo.path):
# check collision between files only in p2 for clean update
if (not branchmerge and
(force or not wctx.dirty(missing=True, branch=False))):
_checkcollision(repo, m2, None)
else:
_checkcollision(repo, m1, actions)
return actions
def update(repo, node, branchmerge, force, partial, ancestor=None,
mergeancestor=False, labels=None):
"""
Perform a merge between the working directory and the given node
node = the node to update to, or None if unspecified
branchmerge = whether to merge between branches
force = whether to force branch merging or file overwriting
partial = a function to filter file lists (dirstate not updated)
mergeancestor = whether it is merging with an ancestor. If true,
we should accept the incoming changes for any prompts that occur.
If false, merging with an ancestor (fast-forward) is only allowed
between different named branches. This flag is used by rebase extension
as a temporary fix and should be avoided in general.
The table below shows all the behaviors of the update command
given the -c and -C or no options, whether the working directory
is dirty, whether a revision is specified, and the relationship of
the parent rev to the target rev (linear, on the same named
branch, or on another named branch).
This logic is tested by test-update-branches.t.
-c -C dirty rev | linear same cross
n n n n | ok (1) x
n n n y | ok ok ok
n n y n | merge (2) (2)
n n y y | merge (3) (3)
n y * * | --- discard ---
y n y * | --- (4) ---
y n n * | --- ok ---
y y * * | --- (5) ---
x = can't happen
* = don't-care
1 = abort: not a linear update (merge or update --check to force update)
2 = abort: uncommitted changes (commit and merge, or update --clean to
discard changes)
3 = abort: uncommitted changes (commit or update --clean to discard changes)
4 = abort: uncommitted changes (checked in commands.py)
5 = incompatible options (checked in commands.py)
Return the same tuple as applyupdates().
"""
onode = node
wlock = repo.wlock()
try:
wc = repo[None]
pl = wc.parents()
p1 = pl[0]
pas = [None]
if ancestor is not None:
pas = [repo[ancestor]]
if node is None:
# Here is where we should consider bookmarks, divergent bookmarks,
# foreground changesets (successors), and tip of current branch;
# but currently we are only checking the branch tips.
try:
node = repo.branchtip(wc.branch())
except errormod.RepoLookupError:
if wc.branch() == 'default': # no default branch!
node = repo.lookup('tip') # update to tip
else:
raise util.Abort(_("branch %s not found") % wc.branch())
if p1.obsolete() and not p1.children():
# allow updating to successors
successors = obsolete.successorssets(repo, p1.node())
# behavior of certain cases is as follows,
#
# divergent changesets: update to highest rev, similar to what
# is currently done when there are more than one head
# (i.e. 'tip')
#
# replaced changesets: same as divergent except we know there
# is no conflict
#
# pruned changeset: no update is done; though, we could
# consider updating to the first non-obsolete parent,
# similar to what is current done for 'hg prune'
if successors:
# flatten the list here handles both divergent (len > 1)
# and the usual case (len = 1)
successors = [n for sub in successors for n in sub]
# get the max revision for the given successors set,
# i.e. the 'tip' of a set
node = repo.revs('max(%ln)', successors).first()
pas = [p1]
overwrite = force and not branchmerge
p2 = repo[node]
if pas[0] is None:
if repo.ui.config('merge', 'preferancestor', '*') == '*':
cahs = repo.changelog.commonancestorsheads(p1.node(), p2.node())
pas = [repo[anc] for anc in (sorted(cahs) or [nullid])]
else:
pas = [p1.ancestor(p2, warn=branchmerge)]
fp1, fp2, xp1, xp2 = p1.node(), p2.node(), str(p1), str(p2)
### check phase
if not overwrite and len(pl) > 1:
raise util.Abort(_("outstanding uncommitted merge"))
if branchmerge:
if pas == [p2]:
raise util.Abort(_("merging with a working directory ancestor"
" has no effect"))
elif pas == [p1]:
if not mergeancestor and p1.branch() == p2.branch():
raise util.Abort(_("nothing to merge"),
hint=_("use 'hg update' "
"or check 'hg heads'"))
if not force and (wc.files() or wc.deleted()):
raise util.Abort(_("uncommitted changes"),
hint=_("use 'hg status' to list changes"))
for s in sorted(wc.substate):
wc.sub(s).bailifchanged()
elif not overwrite:
if p1 == p2: # no-op update
# call the hooks and exit early
repo.hook('preupdate', throw=True, parent1=xp2, parent2='')
repo.hook('update', parent1=xp2, parent2='', error=0)
return 0, 0, 0, 0
if pas not in ([p1], [p2]): # nonlinear
dirty = wc.dirty(missing=True)
if dirty or onode is None:
# Branching is a bit strange to ensure we do the minimal
# amount of call to obsolete.background.
foreground = obsolete.foreground(repo, [p1.node()])
# note: the <node> variable contains a random identifier
if repo[node].node() in foreground:
pas = [p1] # allow updating to successors
elif dirty:
msg = _("uncommitted changes")
if onode is None:
hint = _("commit and merge, or update --clean to"
" discard changes")
else:
hint = _("commit or update --clean to discard"
" changes")
raise util.Abort(msg, hint=hint)
else: # node is none
msg = _("not a linear update")
hint = _("merge or update --check to force update")
raise util.Abort(msg, hint=hint)
else:
# Allow jumping branches if clean and specific rev given
pas = [p1]
followcopies = False
if overwrite:
pas = [wc]
elif pas == [p2]: # backwards
pas = [wc.p1()]
elif not branchmerge and not wc.dirty(missing=True):
pass
elif pas[0] and repo.ui.configbool('merge', 'followcopies', True):
followcopies = True
### calculate phase
actionbyfile, diverge, renamedelete = calculateupdates(
repo, wc, p2, pas, branchmerge, force, partial, mergeancestor,
followcopies)
# Convert to dictionary-of-lists format
actions = dict((m, []) for m in 'a f g cd dc r dm dg m e k'.split())
for f, (m, args, msg) in actionbyfile.iteritems():
if m not in actions:
actions[m] = []
actions[m].append((f, args, msg))
if not util.checkcase(repo.path):
# check collision between files only in p2 for clean update
if (not branchmerge and
(force or not wc.dirty(missing=True, branch=False))):
_checkcollision(repo, p2.manifest(), None)
else:
_checkcollision(repo, wc.manifest(), actions)
# Prompt and create actions. TODO: Move this towards resolve phase.
for f, args, msg in sorted(actions['cd']):
if repo.ui.promptchoice(
_("local changed %s which remote deleted\n"
"use (c)hanged version or (d)elete?"
"$$ &Changed $$ &Delete") % f, 0):
actions['r'].append((f, None, "prompt delete"))
else:
actions['a'].append((f, None, "prompt keep"))
del actions['cd'][:]
for f, args, msg in sorted(actions['dc']):
flags, = args
if repo.ui.promptchoice(
_("remote changed %s which local deleted\n"
"use (c)hanged version or leave (d)eleted?"
"$$ &Changed $$ &Deleted") % f, 0) == 0:
actions['g'].append((f, (flags,), "prompt recreating"))
del actions['dc'][:]
### apply phase
if not branchmerge: # just jump to the new rev
fp1, fp2, xp1, xp2 = fp2, nullid, xp2, ''
if not partial:
repo.hook('preupdate', throw=True, parent1=xp1, parent2=xp2)
# note that we're in the middle of an update
repo.vfs.write('updatestate', p2.hex())
stats = applyupdates(repo, actions, wc, p2, overwrite, labels=labels)
# divergent renames
for f, fl in sorted(diverge.iteritems()):
repo.ui.warn(_("note: possible conflict - %s was renamed "
"multiple times to:\n") % f)
for nf in fl:
repo.ui.warn(" %s\n" % nf)
# rename and delete
for f, fl in sorted(renamedelete.iteritems()):
repo.ui.warn(_("note: possible conflict - %s was deleted "
"and renamed to:\n") % f)
for nf in fl:
repo.ui.warn(" %s\n" % nf)
if not partial:
repo.dirstate.beginparentchange()
repo.setparents(fp1, fp2)
recordupdates(repo, actions, branchmerge)
# update completed, clear state
util.unlink(repo.join('updatestate'))
if not branchmerge:
repo.dirstate.setbranch(p2.branch())
repo.dirstate.endparentchange()
finally:
wlock.release()
if not partial:
def updatehook(parent1=xp1, parent2=xp2, error=stats[3]):
repo.hook('update', parent1=parent1, parent2=parent2, error=error)
repo._afterlock(updatehook)
return stats
def manifestmerge(repo,
wctx,
p2,
pa,
branchmerge,
force,
partial,
acceptremote=False):
"""
Merge p1 and p2 with ancestor pa and generate merge action list
branchmerge and force are as passed in to update
partial = function to filter file lists
acceptremote = accept the incoming changes without prompting
"""
overwrite = force and not branchmerge
actions, copy, movewithdir = [], {}, {}
followcopies = False
if overwrite:
pa = wctx
elif pa == p2: # backwards
pa = wctx.p1()
elif not branchmerge and not wctx.dirty(missing=True):
pass
elif pa and repo.ui.configbool("merge", "followcopies", True):
followcopies = True
# manifests fetched in order are going to be faster, so prime the caches
[
x.manifest()
for x in sorted(wctx.parents() + [p2, pa], key=lambda x: x.rev())
]
if followcopies:
ret = copies.mergecopies(repo, wctx, p2, pa)
copy, movewithdir, diverge, renamedelete = ret
for of, fl in diverge.iteritems():
actions.append((of, "dr", (fl, ), "divergent renames"))
for of, fl in renamedelete.iteritems():
actions.append((of, "rd", (fl, ), "rename and delete"))
repo.ui.note(_("resolving manifests\n"))
repo.ui.debug(" branchmerge: %s, force: %s, partial: %s\n" %
(bool(branchmerge), bool(force), bool(partial)))
repo.ui.debug(" ancestor: %s, local: %s, remote: %s\n" % (pa, wctx, p2))
m1, m2, ma = wctx.manifest(), p2.manifest(), pa.manifest()
copied = set(copy.values())
copied.update(movewithdir.values())
if '.hgsubstate' in m1:
# check whether sub state is modified
for s in sorted(wctx.substate):
if wctx.sub(s).dirty():
m1['.hgsubstate'] += "+"
break
aborts, prompts = [], []
# Compare manifests
fdiff = dicthelpers.diff(m1, m2)
flagsdiff = m1.flagsdiff(m2)
diff12 = dicthelpers.join(fdiff, flagsdiff)
for f, (n12, fl12) in diff12.iteritems():
if n12:
n1, n2 = n12
else: # file contents didn't change, but flags did
n1 = n2 = m1.get(f, None)
if n1 is None:
# Since n1 == n2, the file isn't present in m2 either. This
# means that the file was removed or deleted locally and
# removed remotely, but that residual entries remain in flags.
# This can happen in manifests generated by workingctx.
continue
if fl12:
fl1, fl2 = fl12
else: # flags didn't change, file contents did
fl1 = fl2 = m1.flags(f)
if partial and not partial(f):
continue
if n1 and n2:
fla = ma.flags(f)
nol = 'l' not in fl1 + fl2 + fla
a = ma.get(f, nullid)
if n2 == a and fl2 == fla:
pass # remote unchanged - keep local
elif n1 == a and fl1 == fla: # local unchanged - use remote
if n1 == n2: # optimization: keep local content
actions.append((f, "e", (fl2, ), "update permissions"))
else:
actions.append((f, "g", (fl2, ), "remote is newer"))
elif nol and n2 == a: # remote only changed 'x'
actions.append((f, "e", (fl2, ), "update permissions"))
elif nol and n1 == a: # local only changed 'x'
actions.append((f, "g", (fl1, ), "remote is newer"))
else: # both changed something
actions.append((f, "m", (f, f, False), "versions differ"))
elif f in copied: # files we'll deal with on m2 side
pass
elif n1 and f in movewithdir: # directory rename
f2 = movewithdir[f]
actions.append(
(f, "d", (None, f2, fl1), "remote renamed directory to " + f2))
elif n1 and f in copy:
f2 = copy[f]
actions.append(
(f, "m", (f2, f, False), "local copied/moved to " + f2))
elif n1 and f in ma: # clean, a different, no remote
if n1 != ma[f]:
prompts.append((f, "cd")) # prompt changed/deleted
elif n1[20:] == "a": # added, no remote
actions.append((f, "f", None, "remote deleted"))
else:
actions.append((f, "r", None, "other deleted"))
elif n2 and f in movewithdir:
f2 = movewithdir[f]
actions.append(
(None, "d", (f, f2, fl2), "local renamed directory to " + f2))
elif n2 and f in copy:
f2 = copy[f]
if f2 in m2:
actions.append(
(f2, "m", (f, f, False), "remote copied to " + f))
else:
actions.append((f2, "m", (f, f, True), "remote moved to " + f))
elif n2 and f not in ma:
# local unknown, remote created: the logic is described by the
# following table:
#
# force branchmerge different | action
# n * n | get
# n * y | abort
# y n * | get
# y y n | get
# y y y | merge
#
# Checking whether the files are different is expensive, so we
# don't do that when we can avoid it.
if force and not branchmerge:
actions.append((f, "g", (fl2, ), "remote created"))
else:
different = _checkunknownfile(repo, wctx, p2, f)
if force and branchmerge and different:
actions.append((f, "m", (f, f, False),
"remote differs from untracked local"))
elif not force and different:
aborts.append((f, "ud"))
else:
actions.append((f, "g", (fl2, ), "remote created"))
elif n2 and n2 != ma[f]:
prompts.append((f, "dc")) # prompt deleted/changed
for f, m in sorted(aborts):
if m == "ud":
repo.ui.warn(_("%s: untracked file differs\n") % f)
else:
assert False, m
if aborts:
raise util.Abort(
_("untracked files in working directory differ "
"from files in requested revision"))
if not util.checkcase(repo.path):
# check collision between files only in p2 for clean update
if (not branchmerge
and (force or not wctx.dirty(missing=True, branch=False))):
_checkcollision(repo, m2, [], [])
else:
_checkcollision(repo, m1, actions, prompts)
for f, m in sorted(prompts):
if m == "cd":
if acceptremote:
actions.append((f, "r", None, "remote delete"))
elif repo.ui.promptchoice(
_("local changed %s which remote deleted\n"
"use (c)hanged version or (d)elete?"
"$$ &Changed $$ &Delete") % f, 0):
actions.append((f, "r", None, "prompt delete"))
else:
actions.append((f, "a", None, "prompt keep"))
elif m == "dc":
if acceptremote:
actions.append((f, "g", (m2.flags(f), ), "remote recreating"))
elif repo.ui.promptchoice(
_("remote changed %s which local deleted\n"
"use (c)hanged version or leave (d)eleted?"
"$$ &Changed $$ &Deleted") % f, 0) == 0:
actions.append((f, "g", (m2.flags(f), ), "prompt recreating"))
else:
assert False, m
return actions
def _checkcase(self):
return not util.checkcase(self._join(".hg"))
def update(repo, node, branchmerge, force, partial):
"""
Perform a merge between the working directory and the given node
branchmerge = whether to merge between branches
force = whether to force branch merging or file overwriting
partial = a function to filter file lists (dirstate not updated)
"""
wlock = repo.wlock()
try:
wc = repo[None]
if node is None:
# tip of current branch
try:
node = repo.branchtags()[wc.branch()]
except KeyError:
if wc.branch() == "default": # no default branch!
node = repo.lookup("tip") # update to tip
else:
raise util.Abort(_("branch %s not found") % wc.branch())
overwrite = force and not branchmerge
pl = wc.parents()
p1, p2 = pl[0], repo[node]
pa = p1.ancestor(p2)
fp1, fp2, xp1, xp2 = p1.node(), p2.node(), str(p1), str(p2)
fastforward = False
### check phase
if not overwrite and len(pl) > 1:
raise util.Abort(_("outstanding uncommitted merges"))
if branchmerge:
if pa == p2:
raise util.Abort(_("can't merge with ancestor"))
elif pa == p1:
if p1.branch() != p2.branch():
fastforward = True
else:
raise util.Abort(_("nothing to merge (use 'hg update'"
" or check 'hg heads')"))
if not force and (wc.files() or wc.deleted()):
raise util.Abort(_("outstanding uncommitted changes "
"(use 'hg status' to list changes)"))
elif not overwrite:
if pa == p1 or pa == p2: # linear
pass # all good
elif p1.branch() == p2.branch():
if wc.files() or wc.deleted():
raise util.Abort(_("crosses branches (use 'hg merge' or "
"'hg update -C' to discard changes)"))
raise util.Abort(_("crosses branches (use 'hg merge' "
"or 'hg update -C')"))
elif wc.files() or wc.deleted():
raise util.Abort(_("crosses named branches (use "
"'hg update -C' to discard changes)"))
else:
# Allow jumping branches if there are no changes
overwrite = True
### calculate phase
action = []
if not force:
_checkunknown(wc, p2)
if not util.checkcase(repo.path):
_checkcollision(p2)
action += _forgetremoved(wc, p2, branchmerge)
action += manifestmerge(repo, wc, p2, pa, overwrite, partial)
### apply phase
if not branchmerge: # just jump to the new rev
fp1, fp2, xp1, xp2 = fp2, nullid, xp2, ''
if not partial:
repo.hook('preupdate', throw=True, parent1=xp1, parent2=xp2)
stats = applyupdates(repo, action, wc, p2)
if not partial:
recordupdates(repo, action, branchmerge)
repo.dirstate.setparents(fp1, fp2)
if not branchmerge and not fastforward:
repo.dirstate.setbranch(p2.branch())
repo.hook('update', parent1=xp1, parent2=xp2, error=stats[3])
return stats
finally:
wlock.release()
for name, path in self._ui.configitems("ui"):
if name == 'ignore' or name.startswith('ignore.'):
files.append(os.path.expanduser(path))
self._ignore = ignore.ignore(self._root, files, self._ui.warn)
return self._ignore
elif name == '_slash':
self._slash = self._ui.configbool('ui', 'slash') and os.sep != '/'
return self._slash
elif name == '_checklink':
self._checklink = util.checklink(self._root)
return self._checklink
elif name == '_checkexec':
self._checkexec = util.checkexec(self._root)
return self._checkexec
elif name == '_checkcase':
self._checkcase = not util.checkcase(self._join('.hg'))
return self._checkcase
elif name == 'normalize':
if self._checkcase:
self.normalize = self._normalize
else:
self.normalize = lambda x, y=False: x
return self.normalize
else:
raise AttributeError(name)
def _join(self, f):
# much faster than os.path.join()
# it's safe because f is always a relative path
return self._rootdir + f
def update(repo,
node,
branchmerge,
force,
partial,
ancestor=None,
mergeancestor=False,
labels=None):
"""
Perform a merge between the working directory and the given node
node = the node to update to, or None if unspecified
branchmerge = whether to merge between branches
force = whether to force branch merging or file overwriting
partial = a function to filter file lists (dirstate not updated)
mergeancestor = whether it is merging with an ancestor. If true,
we should accept the incoming changes for any prompts that occur.
If false, merging with an ancestor (fast-forward) is only allowed
between different named branches. This flag is used by rebase extension
as a temporary fix and should be avoided in general.
The table below shows all the behaviors of the update command
given the -c and -C or no options, whether the working directory
is dirty, whether a revision is specified, and the relationship of
the parent rev to the target rev (linear, on the same named
branch, or on another named branch).
This logic is tested by test-update-branches.t.
-c -C dirty rev | linear same cross
n n n n | ok (1) x
n n n y | ok ok ok
n n y n | merge (2) (2)
n n y y | merge (3) (3)
n y * * | --- discard ---
y n y * | --- (4) ---
y n n * | --- ok ---
y y * * | --- (5) ---
x = can't happen
* = don't-care
1 = abort: not a linear update (merge or update --check to force update)
2 = abort: uncommitted changes (commit and merge, or update --clean to
discard changes)
3 = abort: uncommitted changes (commit or update --clean to discard changes)
4 = abort: uncommitted changes (checked in commands.py)
5 = incompatible options (checked in commands.py)
Return the same tuple as applyupdates().
"""
onode = node
wlock = repo.wlock()
try:
wc = repo[None]
pl = wc.parents()
p1 = pl[0]
pas = [None]
if ancestor is not None:
pas = [repo[ancestor]]
if node is None:
# Here is where we should consider bookmarks, divergent bookmarks,
# foreground changesets (successors), and tip of current branch;
# but currently we are only checking the branch tips.
try:
node = repo.branchtip(wc.branch())
except errormod.RepoLookupError:
if wc.branch() == 'default': # no default branch!
node = repo.lookup('tip') # update to tip
else:
raise util.Abort(_("branch %s not found") % wc.branch())
if p1.obsolete() and not p1.children():
# allow updating to successors
successors = obsolete.successorssets(repo, p1.node())
# behavior of certain cases is as follows,
#
# divergent changesets: update to highest rev, similar to what
# is currently done when there are more than one head
# (i.e. 'tip')
#
# replaced changesets: same as divergent except we know there
# is no conflict
#
# pruned changeset: no update is done; though, we could
# consider updating to the first non-obsolete parent,
# similar to what is current done for 'hg prune'
if successors:
# flatten the list here handles both divergent (len > 1)
# and the usual case (len = 1)
successors = [n for sub in successors for n in sub]
# get the max revision for the given successors set,
# i.e. the 'tip' of a set
node = repo.revs('max(%ln)', successors).first()
pas = [p1]
overwrite = force and not branchmerge
p2 = repo[node]
if pas[0] is None:
if repo.ui.config('merge', 'preferancestor', '*') == '*':
cahs = repo.changelog.commonancestorsheads(
p1.node(), p2.node())
pas = [repo[anc] for anc in (sorted(cahs) or [nullid])]
else:
pas = [p1.ancestor(p2, warn=branchmerge)]
fp1, fp2, xp1, xp2 = p1.node(), p2.node(), str(p1), str(p2)
### check phase
if not overwrite and len(pl) > 1:
raise util.Abort(_("outstanding uncommitted merge"))
if branchmerge:
if pas == [p2]:
raise util.Abort(
_("merging with a working directory ancestor"
" has no effect"))
elif pas == [p1]:
if not mergeancestor and p1.branch() == p2.branch():
raise util.Abort(_("nothing to merge"),
hint=_("use 'hg update' "
"or check 'hg heads'"))
if not force and (wc.files() or wc.deleted()):
raise util.Abort(_("uncommitted changes"),
hint=_("use 'hg status' to list changes"))
for s in sorted(wc.substate):
wc.sub(s).bailifchanged()
elif not overwrite:
if p1 == p2: # no-op update
# call the hooks and exit early
repo.hook('preupdate', throw=True, parent1=xp2, parent2='')
repo.hook('update', parent1=xp2, parent2='', error=0)
return 0, 0, 0, 0
if pas not in ([p1], [p2]): # nonlinear
dirty = wc.dirty(missing=True)
if dirty or onode is None:
# Branching is a bit strange to ensure we do the minimal
# amount of call to obsolete.background.
foreground = obsolete.foreground(repo, [p1.node()])
# note: the <node> variable contains a random identifier
if repo[node].node() in foreground:
pas = [p1] # allow updating to successors
elif dirty:
msg = _("uncommitted changes")
if onode is None:
hint = _("commit and merge, or update --clean to"
" discard changes")
else:
hint = _("commit or update --clean to discard"
" changes")
raise util.Abort(msg, hint=hint)
else: # node is none
msg = _("not a linear update")
hint = _("merge or update --check to force update")
raise util.Abort(msg, hint=hint)
else:
# Allow jumping branches if clean and specific rev given
pas = [p1]
followcopies = False
if overwrite:
pas = [wc]
elif pas == [p2]: # backwards
pas = [wc.p1()]
elif not branchmerge and not wc.dirty(missing=True):
pass
elif pas[0] and repo.ui.configbool('merge', 'followcopies', True):
followcopies = True
### calculate phase
actionbyfile, diverge, renamedelete = calculateupdates(
repo, wc, p2, pas, branchmerge, force, partial, mergeancestor,
followcopies)
# Convert to dictionary-of-lists format
actions = dict((m, []) for m in 'a f g cd dc r dm dg m e k'.split())
for f, (m, args, msg) in actionbyfile.iteritems():
if m not in actions:
actions[m] = []
actions[m].append((f, args, msg))
if not util.checkcase(repo.path):
# check collision between files only in p2 for clean update
if (not branchmerge
and (force or not wc.dirty(missing=True, branch=False))):
_checkcollision(repo, p2.manifest(), None)
else:
_checkcollision(repo, wc.manifest(), actions)
# Prompt and create actions. TODO: Move this towards resolve phase.
for f, args, msg in sorted(actions['cd']):
if repo.ui.promptchoice(
_("local changed %s which remote deleted\n"
"use (c)hanged version or (d)elete?"
"$$ &Changed $$ &Delete") % f, 0):
actions['r'].append((f, None, "prompt delete"))
else:
actions['a'].append((f, None, "prompt keep"))
del actions['cd'][:]
for f, args, msg in sorted(actions['dc']):
flags, = args
if repo.ui.promptchoice(
_("remote changed %s which local deleted\n"
"use (c)hanged version or leave (d)eleted?"
"$$ &Changed $$ &Deleted") % f, 0) == 0:
actions['g'].append((f, (flags, ), "prompt recreating"))
del actions['dc'][:]
### apply phase
if not branchmerge: # just jump to the new rev
fp1, fp2, xp1, xp2 = fp2, nullid, xp2, ''
if not partial:
repo.hook('preupdate', throw=True, parent1=xp1, parent2=xp2)
# note that we're in the middle of an update
repo.vfs.write('updatestate', p2.hex())
stats = applyupdates(repo, actions, wc, p2, overwrite, labels=labels)
# divergent renames
for f, fl in sorted(diverge.iteritems()):
repo.ui.warn(
_("note: possible conflict - %s was renamed "
"multiple times to:\n") % f)
for nf in fl:
repo.ui.warn(" %s\n" % nf)
# rename and delete
for f, fl in sorted(renamedelete.iteritems()):
repo.ui.warn(
_("note: possible conflict - %s was deleted "
"and renamed to:\n") % f)
for nf in fl:
repo.ui.warn(" %s\n" % nf)
if not partial:
repo.dirstate.beginparentchange()
repo.setparents(fp1, fp2)
recordupdates(repo, actions, branchmerge)
# update completed, clear state
util.unlink(repo.join('updatestate'))
if not branchmerge:
repo.dirstate.setbranch(p2.branch())
repo.dirstate.endparentchange()
finally:
wlock.release()
if not partial:
def updatehook(parent1=xp1, parent2=xp2, error=stats[3]):
repo.hook('update', parent1=parent1, parent2=parent2, error=error)
repo._afterlock(updatehook)
return stats