|
|
# Mercurial bookmark support code
|
|
|
#
|
|
|
# Copyright 2008 David Soria Parra <dsp@php.net>
|
|
|
#
|
|
|
# This software may be used and distributed according to the terms of the
|
|
|
# GNU General Public License version 2 or any later version.
|
|
|
|
|
|
from mercurial.i18n import _
|
|
|
from mercurial.node import hex, bin
|
|
|
from mercurial import encoding, error, util, obsolete
|
|
|
import errno
|
|
|
|
|
|
class bmstore(dict):
|
|
|
"""Storage for bookmarks.
|
|
|
|
|
|
This object should do all bookmark reads and writes, so that it's
|
|
|
fairly simple to replace the storage underlying bookmarks without
|
|
|
having to clone the logic surrounding bookmarks.
|
|
|
|
|
|
This particular bmstore implementation stores bookmarks as
|
|
|
{hash}\s{name}\n (the same format as localtags) in
|
|
|
.hg/bookmarks. The mapping is stored as {name: nodeid}.
|
|
|
|
|
|
This class does NOT handle the "current" bookmark state at this
|
|
|
time.
|
|
|
"""
|
|
|
|
|
|
def __init__(self, repo):
|
|
|
dict.__init__(self)
|
|
|
self._repo = repo
|
|
|
try:
|
|
|
for line in repo.vfs('bookmarks'):
|
|
|
line = line.strip()
|
|
|
if not line:
|
|
|
continue
|
|
|
if ' ' not in line:
|
|
|
repo.ui.warn(_('malformed line in .hg/bookmarks: %r\n')
|
|
|
% line)
|
|
|
continue
|
|
|
sha, refspec = line.split(' ', 1)
|
|
|
refspec = encoding.tolocal(refspec)
|
|
|
try:
|
|
|
self[refspec] = repo.changelog.lookup(sha)
|
|
|
except LookupError:
|
|
|
pass
|
|
|
except IOError, inst:
|
|
|
if inst.errno != errno.ENOENT:
|
|
|
raise
|
|
|
|
|
|
def write(self):
|
|
|
'''Write bookmarks
|
|
|
|
|
|
Write the given bookmark => hash dictionary to the .hg/bookmarks file
|
|
|
in a format equal to those of localtags.
|
|
|
|
|
|
We also store a backup of the previous state in undo.bookmarks that
|
|
|
can be copied back on rollback.
|
|
|
'''
|
|
|
repo = self._repo
|
|
|
if repo._bookmarkcurrent not in self:
|
|
|
unsetcurrent(repo)
|
|
|
|
|
|
wlock = repo.wlock()
|
|
|
try:
|
|
|
|
|
|
file = repo.vfs('bookmarks', 'w', atomictemp=True)
|
|
|
for name, node in self.iteritems():
|
|
|
file.write("%s %s\n" % (hex(node), encoding.fromlocal(name)))
|
|
|
file.close()
|
|
|
|
|
|
# touch 00changelog.i so hgweb reloads bookmarks (no lock needed)
|
|
|
try:
|
|
|
repo.svfs.utime('00changelog.i', None)
|
|
|
except OSError:
|
|
|
pass
|
|
|
|
|
|
finally:
|
|
|
wlock.release()
|
|
|
|
|
|
def readcurrent(repo):
|
|
|
'''Get the current bookmark
|
|
|
|
|
|
If we use gittish branches we have a current bookmark that
|
|
|
we are on. This function returns the name of the bookmark. It
|
|
|
is stored in .hg/bookmarks.current
|
|
|
'''
|
|
|
mark = None
|
|
|
try:
|
|
|
file = repo.opener('bookmarks.current')
|
|
|
except IOError, inst:
|
|
|
if inst.errno != errno.ENOENT:
|
|
|
raise
|
|
|
return None
|
|
|
try:
|
|
|
# No readline() in osutil.posixfile, reading everything is cheap
|
|
|
mark = encoding.tolocal((file.readlines() or [''])[0])
|
|
|
if mark == '' or mark not in repo._bookmarks:
|
|
|
mark = None
|
|
|
finally:
|
|
|
file.close()
|
|
|
return mark
|
|
|
|
|
|
def setcurrent(repo, mark):
|
|
|
'''Set the name of the bookmark that we are currently on
|
|
|
|
|
|
Set the name of the bookmark that we are on (hg update <bookmark>).
|
|
|
The name is recorded in .hg/bookmarks.current
|
|
|
'''
|
|
|
if mark not in repo._bookmarks:
|
|
|
raise AssertionError('bookmark %s does not exist!' % mark)
|
|
|
|
|
|
current = repo._bookmarkcurrent
|
|
|
if current == mark:
|
|
|
return
|
|
|
|
|
|
wlock = repo.wlock()
|
|
|
try:
|
|
|
file = repo.opener('bookmarks.current', 'w', atomictemp=True)
|
|
|
file.write(encoding.fromlocal(mark))
|
|
|
file.close()
|
|
|
finally:
|
|
|
wlock.release()
|
|
|
repo._bookmarkcurrent = mark
|
|
|
|
|
|
def unsetcurrent(repo):
|
|
|
wlock = repo.wlock()
|
|
|
try:
|
|
|
try:
|
|
|
repo.vfs.unlink('bookmarks.current')
|
|
|
repo._bookmarkcurrent = None
|
|
|
except OSError, inst:
|
|
|
if inst.errno != errno.ENOENT:
|
|
|
raise
|
|
|
finally:
|
|
|
wlock.release()
|
|
|
|
|
|
def iscurrent(repo, mark=None, parents=None):
|
|
|
'''Tell whether the current bookmark is also active
|
|
|
|
|
|
I.e., the bookmark listed in .hg/bookmarks.current also points to a
|
|
|
parent of the working directory.
|
|
|
'''
|
|
|
if not mark:
|
|
|
mark = repo._bookmarkcurrent
|
|
|
if not parents:
|
|
|
parents = [p.node() for p in repo[None].parents()]
|
|
|
marks = repo._bookmarks
|
|
|
return (mark in marks and marks[mark] in parents)
|
|
|
|
|
|
def updatecurrentbookmark(repo, oldnode, curbranch):
|
|
|
try:
|
|
|
return update(repo, oldnode, repo.branchtip(curbranch))
|
|
|
except error.RepoLookupError:
|
|
|
if curbranch == "default": # no default branch!
|
|
|
return update(repo, oldnode, repo.lookup("tip"))
|
|
|
else:
|
|
|
raise util.Abort(_("branch %s not found") % curbranch)
|
|
|
|
|
|
def deletedivergent(repo, deletefrom, bm):
|
|
|
'''Delete divergent versions of bm on nodes in deletefrom.
|
|
|
|
|
|
Return True if at least one bookmark was deleted, False otherwise.'''
|
|
|
deleted = False
|
|
|
marks = repo._bookmarks
|
|
|
divergent = [b for b in marks if b.split('@', 1)[0] == bm.split('@', 1)[0]]
|
|
|
for mark in divergent:
|
|
|
if mark and marks[mark] in deletefrom:
|
|
|
if mark != bm:
|
|
|
del marks[mark]
|
|
|
deleted = True
|
|
|
return deleted
|
|
|
|
|
|
def calculateupdate(ui, repo, checkout):
|
|
|
'''Return a tuple (targetrev, movemarkfrom) indicating the rev to
|
|
|
check out and where to move the active bookmark from, if needed.'''
|
|
|
movemarkfrom = None
|
|
|
if checkout is None:
|
|
|
curmark = repo._bookmarkcurrent
|
|
|
if iscurrent(repo):
|
|
|
movemarkfrom = repo['.'].node()
|
|
|
elif curmark:
|
|
|
ui.status(_("updating to active bookmark %s\n") % curmark)
|
|
|
checkout = curmark
|
|
|
return (checkout, movemarkfrom)
|
|
|
|
|
|
def update(repo, parents, node):
|
|
|
deletefrom = parents
|
|
|
marks = repo._bookmarks
|
|
|
update = False
|
|
|
cur = repo._bookmarkcurrent
|
|
|
if not cur:
|
|
|
return False
|
|
|
|
|
|
if marks[cur] in parents:
|
|
|
new = repo[node]
|
|
|
divs = [repo[b] for b in marks
|
|
|
if b.split('@', 1)[0] == cur.split('@', 1)[0]]
|
|
|
anc = repo.changelog.ancestors([new.rev()])
|
|
|
deletefrom = [b.node() for b in divs if b.rev() in anc or b == new]
|
|
|
if validdest(repo, repo[marks[cur]], new):
|
|
|
marks[cur] = new.node()
|
|
|
update = True
|
|
|
|
|
|
if deletedivergent(repo, deletefrom, cur):
|
|
|
update = True
|
|
|
|
|
|
if update:
|
|
|
marks.write()
|
|
|
return update
|
|
|
|
|
|
def listbookmarks(repo):
|
|
|
# We may try to list bookmarks on a repo type that does not
|
|
|
# support it (e.g., statichttprepository).
|
|
|
marks = getattr(repo, '_bookmarks', {})
|
|
|
|
|
|
d = {}
|
|
|
hasnode = repo.changelog.hasnode
|
|
|
for k, v in marks.iteritems():
|
|
|
# don't expose local divergent bookmarks
|
|
|
if hasnode(v) and ('@' not in k or k.endswith('@')):
|
|
|
d[k] = hex(v)
|
|
|
return d
|
|
|
|
|
|
def pushbookmark(repo, key, old, new):
|
|
|
w = repo.wlock()
|
|
|
try:
|
|
|
marks = repo._bookmarks
|
|
|
if hex(marks.get(key, '')) != old:
|
|
|
return False
|
|
|
if new == '':
|
|
|
del marks[key]
|
|
|
else:
|
|
|
if new not in repo:
|
|
|
return False
|
|
|
marks[key] = repo[new].node()
|
|
|
marks.write()
|
|
|
return True
|
|
|
finally:
|
|
|
w.release()
|
|
|
|
|
|
def compare(repo, srcmarks, dstmarks,
|
|
|
srchex=None, dsthex=None, targets=None):
|
|
|
'''Compare bookmarks between srcmarks and dstmarks
|
|
|
|
|
|
This returns tuple "(addsrc, adddst, advsrc, advdst, diverge,
|
|
|
differ, invalid)", each are list of bookmarks below:
|
|
|
|
|
|
:addsrc: added on src side (removed on dst side, perhaps)
|
|
|
:adddst: added on dst side (removed on src side, perhaps)
|
|
|
:advsrc: advanced on src side
|
|
|
:advdst: advanced on dst side
|
|
|
:diverge: diverge
|
|
|
:differ: changed, but changeset referred on src is unknown on dst
|
|
|
:invalid: unknown on both side
|
|
|
|
|
|
Each elements of lists in result tuple is tuple "(bookmark name,
|
|
|
changeset ID on source side, changeset ID on destination
|
|
|
side)". Each changeset IDs are 40 hexadecimal digit string or
|
|
|
None.
|
|
|
|
|
|
Changeset IDs of tuples in "addsrc", "adddst", "differ" or
|
|
|
"invalid" list may be unknown for repo.
|
|
|
|
|
|
This function expects that "srcmarks" and "dstmarks" return
|
|
|
changeset ID in 40 hexadecimal digit string for specified
|
|
|
bookmark. If not so (e.g. bmstore "repo._bookmarks" returning
|
|
|
binary value), "srchex" or "dsthex" should be specified to convert
|
|
|
into such form.
|
|
|
|
|
|
If "targets" is specified, only bookmarks listed in it are
|
|
|
examined.
|
|
|
'''
|
|
|
if not srchex:
|
|
|
srchex = lambda x: x
|
|
|
if not dsthex:
|
|
|
dsthex = lambda x: x
|
|
|
|
|
|
if targets:
|
|
|
bset = set(targets)
|
|
|
else:
|
|
|
srcmarkset = set(srcmarks)
|
|
|
dstmarkset = set(dstmarks)
|
|
|
bset = srcmarkset ^ dstmarkset
|
|
|
for b in srcmarkset & dstmarkset:
|
|
|
if srchex(srcmarks[b]) != dsthex(dstmarks[b]):
|
|
|
bset.add(b)
|
|
|
|
|
|
results = ([], [], [], [], [], [], [])
|
|
|
addsrc = results[0].append
|
|
|
adddst = results[1].append
|
|
|
advsrc = results[2].append
|
|
|
advdst = results[3].append
|
|
|
diverge = results[4].append
|
|
|
differ = results[5].append
|
|
|
invalid = results[6].append
|
|
|
|
|
|
for b in sorted(bset):
|
|
|
if b not in srcmarks:
|
|
|
if b in dstmarks:
|
|
|
adddst((b, None, dsthex(dstmarks[b])))
|
|
|
else:
|
|
|
invalid((b, None, None))
|
|
|
elif b not in dstmarks:
|
|
|
addsrc((b, srchex(srcmarks[b]), None))
|
|
|
else:
|
|
|
scid = srchex(srcmarks[b])
|
|
|
dcid = dsthex(dstmarks[b])
|
|
|
if scid in repo and dcid in repo:
|
|
|
sctx = repo[scid]
|
|
|
dctx = repo[dcid]
|
|
|
if sctx.rev() < dctx.rev():
|
|
|
if validdest(repo, sctx, dctx):
|
|
|
advdst((b, scid, dcid))
|
|
|
else:
|
|
|
diverge((b, scid, dcid))
|
|
|
else:
|
|
|
if validdest(repo, dctx, sctx):
|
|
|
advsrc((b, scid, dcid))
|
|
|
else:
|
|
|
diverge((b, scid, dcid))
|
|
|
else:
|
|
|
# it is too expensive to examine in detail, in this case
|
|
|
differ((b, scid, dcid))
|
|
|
|
|
|
return results
|
|
|
|
|
|
def _diverge(ui, b, path, localmarks):
|
|
|
if b == '@':
|
|
|
b = ''
|
|
|
# find a unique @ suffix
|
|
|
for x in range(1, 100):
|
|
|
n = '%s@%d' % (b, x)
|
|
|
if n not in localmarks:
|
|
|
break
|
|
|
# try to use an @pathalias suffix
|
|
|
# if an @pathalias already exists, we overwrite (update) it
|
|
|
for p, u in ui.configitems("paths"):
|
|
|
if path == u:
|
|
|
n = '%s@%s' % (b, p)
|
|
|
return n
|
|
|
|
|
|
def updatefromremote(ui, repo, remotemarks, path):
|
|
|
ui.debug("checking for updated bookmarks\n")
|
|
|
localmarks = repo._bookmarks
|
|
|
(addsrc, adddst, advsrc, advdst, diverge, differ, invalid
|
|
|
) = compare(repo, remotemarks, localmarks, dsthex=hex)
|
|
|
|
|
|
changed = []
|
|
|
for b, scid, dcid in addsrc:
|
|
|
if scid in repo: # add remote bookmarks for changes we already have
|
|
|
changed.append((b, bin(scid), ui.status,
|
|
|
_("adding remote bookmark %s\n") % (b)))
|
|
|
for b, scid, dcid in advsrc:
|
|
|
changed.append((b, bin(scid), ui.status,
|
|
|
_("updating bookmark %s\n") % (b)))
|
|
|
for b, scid, dcid in diverge:
|
|
|
db = _diverge(ui, b, path, localmarks)
|
|
|
changed.append((db, bin(scid), ui.warn,
|
|
|
_("divergent bookmark %s stored as %s\n") % (b, db)))
|
|
|
if changed:
|
|
|
for b, node, writer, msg in sorted(changed):
|
|
|
localmarks[b] = node
|
|
|
writer(msg)
|
|
|
localmarks.write()
|
|
|
|
|
|
def pushtoremote(ui, repo, remote, targets):
|
|
|
(addsrc, adddst, advsrc, advdst, diverge, differ, invalid
|
|
|
) = compare(repo, repo._bookmarks, remote.listkeys('bookmarks'),
|
|
|
srchex=hex, targets=targets)
|
|
|
if invalid:
|
|
|
b, scid, dcid = invalid[0]
|
|
|
ui.warn(_('bookmark %s does not exist on the local '
|
|
|
'or remote repository!\n') % b)
|
|
|
return 2
|
|
|
|
|
|
def push(b, old, new):
|
|
|
r = remote.pushkey('bookmarks', b, old, new)
|
|
|
if not r:
|
|
|
ui.warn(_('updating bookmark %s failed!\n') % b)
|
|
|
return 1
|
|
|
return 0
|
|
|
failed = 0
|
|
|
for b, scid, dcid in sorted(addsrc + advsrc + advdst + diverge + differ):
|
|
|
ui.status(_("exporting bookmark %s\n") % b)
|
|
|
if dcid is None:
|
|
|
dcid = ''
|
|
|
failed += push(b, dcid, scid)
|
|
|
for b, scid, dcid in adddst:
|
|
|
# treat as "deleted locally"
|
|
|
ui.status(_("deleting remote bookmark %s\n") % b)
|
|
|
failed += push(b, dcid, '')
|
|
|
|
|
|
if failed:
|
|
|
return 1
|
|
|
|
|
|
def diff(ui, dst, src):
|
|
|
ui.status(_("searching for changed bookmarks\n"))
|
|
|
|
|
|
smarks = src.listkeys('bookmarks')
|
|
|
dmarks = dst.listkeys('bookmarks')
|
|
|
|
|
|
diff = sorted(set(smarks) - set(dmarks))
|
|
|
for k in diff:
|
|
|
mark = ui.debugflag and smarks[k] or smarks[k][:12]
|
|
|
ui.write(" %-25s %s\n" % (k, mark))
|
|
|
|
|
|
if len(diff) <= 0:
|
|
|
ui.status(_("no changed bookmarks found\n"))
|
|
|
return 1
|
|
|
return 0
|
|
|
|
|
|
def validdest(repo, old, new):
|
|
|
"""Is the new bookmark destination a valid update from the old one"""
|
|
|
repo = repo.unfiltered()
|
|
|
if old == new:
|
|
|
# Old == new -> nothing to update.
|
|
|
return False
|
|
|
elif not old:
|
|
|
# old is nullrev, anything is valid.
|
|
|
# (new != nullrev has been excluded by the previous check)
|
|
|
return True
|
|
|
elif repo.obsstore:
|
|
|
return new.node() in obsolete.foreground(repo, [old.node()])
|
|
|
else:
|
|
|
# still an independent clause as it is lazyer (and therefore faster)
|
|
|
return old.descendant(new)
|
|
|
|
