sapling/hgsubversion/svncommands.py

268 lines
8.8 KiB
Python

import os
import posixpath
import cPickle as pickle
from mercurial import hg
from mercurial import node
from mercurial import util as hgutil
import maps
import svnwrap
import svnrepo
import util
import utility_commands
import svnexternals
def verify(ui, repo, *args, **opts):
'''verify current revision against Subversion repository
'''
ctx = repo[opts.get('rev', '.')]
if 'close' in ctx.extra():
ui.write('cannot verify closed branch')
return 0
srev = ctx.extra().get('convert_revision')
if srev is None:
raise hgutil.Abort('revision %s not from SVN' % ctx)
srev = int(srev.split('@')[1])
ui.write('verifying %s against r%i\n' % (ctx, srev))
url = repo.ui.expandpath('default')
if args:
url = args[0]
svn = svnrepo.svnremoterepo(ui, url).svn
btypes = {'default': 'trunk'}
branchpath = btypes.get(ctx.branch(), 'branches/%s' % ctx.branch())
branchpath = posixpath.normpath(branchpath)
svnfiles = set()
result = 0
for fn, type in svn.list_files(branchpath, srev):
if type != 'f':
continue
svnfiles.add(fn)
data, mode = svn.get_file(branchpath + '/' + fn, srev)
fctx = ctx[fn]
dmatch = fctx.data() == data
mmatch = fctx.flags() == mode
if not (dmatch and mmatch):
ui.write('difference in file %s' % fn)
result = 1
hgfiles = set(ctx)
hgfiles.discard('.hgtags')
hgfiles.discard('.hgsvnexternals')
if hgfiles != svnfiles:
missing = set(hgfiles).symmetric_difference(svnfiles)
ui.write('missing files: %s' % (', '.join(missing)))
result = 1
return result
def rebuildmeta(ui, repo, hg_repo_path, args, **opts):
"""rebuild hgsubversion metadata using values stored in revisions
"""
dest = None
if len(args) == 1:
dest = args[0]
elif len(args) > 1:
raise hgutil.Abort('rebuildmeta takes 1 or no arguments')
uuid = None
url = repo.ui.expandpath(dest or 'default-push', dest or 'default')
svn = svnrepo.svnremoterepo(ui, url).svn
subdir = svn.subdir
svnmetadir = os.path.join(repo.path, 'svn')
if not os.path.exists(svnmetadir):
os.makedirs(svnmetadir)
revmap = open(os.path.join(svnmetadir, 'rev_map'), 'w')
revmap.write('1\n')
last_rev = -1
branchinfo = {}
noderevnums = {}
tagfile = os.path.join(svnmetadir, 'tagmap')
if os.path.exists(maps.TagMap.filepath(repo)):
os.unlink(maps.TagMap.filepath(repo))
tags = maps.TagMap(repo)
skipped = set()
for rev in repo:
ctx = repo[rev]
convinfo = ctx.extra().get('convert_revision', None)
if not convinfo:
continue
if '.hgtags' in ctx.files():
parent = ctx.parents()[0]
parentdata = ''
if '.hgtags' in parent:
parentdata = parent.filectx('.hgtags').data()
newdata = ctx.filectx('.hgtags').data()
for newtag in newdata[len(parentdata):-1].split('\n'):
ha, tag = newtag.split(' ', 1)
tagged = repo[ha].extra().get('convert_revision', None)
if tagged is None:
tagged = -1
else:
tagged = int(tagged[40:].split('@')[1])
# This is max(tagged rev, tagging rev) because if it is a normal
# tag, the tagging revision has the right rev number. However, if it
# was an edited tag, then the tagged revision has the correct revision
# number.
tagging = int(convinfo[40:].split('@')[1])
tagrev = max(tagged, tagging)
tags[tag] = node.bin(ha), tagrev
# check that the conversion metadata matches expectations
assert convinfo.startswith('svn:')
revpath, revision = convinfo[40:].split('@')
if subdir and subdir[0] != '/':
subdir = '/' + subdir
if subdir and subdir[-1] == '/':
subdir = subdir[:-1]
assert revpath.startswith(subdir), ('That does not look like the '
'right location in the repo.')
# write repository uuid if required
if uuid is None:
uuid = convinfo[4:40]
assert uuid == svn.uuid, 'UUIDs did not match!'
uuidfile = open(os.path.join(svnmetadir, 'uuid'), 'w')
uuidfile.write(uuid)
uuidfile.close()
# don't reflect closed branches
if (ctx.extra().get('close') and not ctx.files() or
ctx.parents()[0].node() in skipped):
skipped.add(ctx.node())
continue
# find commitpath, write to revmap
commitpath = revpath[len(subdir)+1:]
bp = posixpath.normpath('/'.join([subdir, 'branches', ctx.branch()]))
if revpath == bp:
commitpath = ctx.branch()
elif commitpath == 'trunk':
commitpath = ''
elif commitpath.startswith('tags'):
if ctx.extra().get('close'):
continue
commitpath = '../' + commitpath
else:
assert False, 'unhandled rev %s: %s' % (rev, convinfo)
revmap.write('%s %s %s\n' % (revision, ctx.hex(), commitpath))
revision = int(revision)
noderevnums[ctx.node()] = revision
if revision > last_rev:
last_rev = revision
# deal with branches
if ctx.extra().get('close'):
continue
branch = ctx.branch()
if branch == 'default':
branch = None
if branch not in branchinfo:
parent = ctx.parents()[0]
if (parent.node() in noderevnums
and parent.branch() != ctx.branch()):
parentbranch = parent.branch()
if parentbranch == 'default':
parentbranch = None
else:
parentbranch = None
branchinfo[branch] = (parentbranch,
noderevnums.get(parent.node(), 0),
revision)
droprev = lambda x: x.rsplit('@', 1)[0]
for cctx in ctx.children():
# check if a child of this change closes this branch
# that's true if the close flag is set and the svn revision
# path is the same. droprev removes the revnumber so we
# can verify it is the same branch easily
if (cctx.extra().get('close')
and droprev(cctx.extra().get('convert_revision', '@')) == droprev(convinfo)):
branchinfo.pop(branch, None)
break
# save off branch info
branchinfofile = open(os.path.join(svnmetadir, 'branch_info'), 'w')
pickle.dump(branchinfo, branchinfofile)
branchinfofile.close()
def help(ui, args=None, **opts):
"""show help for a given subcommands or a help overview
"""
if args:
subcommand = args[0]
if subcommand not in table:
candidates = []
for c in table:
if c.startswith(subcommand):
candidates.append(c)
if len(candidates) == 1:
subcommand = candidates[0]
elif len(candidates) > 1:
ui.status('Ambiguous command. Could have been:\n%s\n' %
' '.join(candidates))
return
doc = table[subcommand].__doc__
if doc is None:
doc = "No documentation available for %s." % subcommand
ui.status(doc.strip(), '\n')
return
ui.status(_helpgen())
def update(ui, args, repo, clean=False, **opts):
"""update to a specified Subversion revision number
"""
assert len(args) == 1
rev = int(args[0])
meta = repo.svnmeta()
answers = []
for k, v in meta.revmap.iteritems():
if k[0] == rev:
answers.append((v, k[1]))
if len(answers) == 1:
if clean:
return hg.clean(repo, answers[0][0])
return hg.update(repo, answers[0][0])
elif len(answers) == 0:
ui.status('revision %s did not produce an hg revision\n' % rev)
return 1
else:
ui.status('ambiguous revision!\n')
revs = ['%s on %s' % (node.hex(a[0]), a[1]) for a in answers] + ['']
ui.status('\n'.join(revs))
return 1
table = {
'update': update,
'help': help,
'rebuildmeta': rebuildmeta,
'updateexternals': svnexternals.updateexternals,
'verify': verify,
}
table.update(utility_commands.table)
def _helpgen():
ret = ['hg svn ...', '',
'subcommands for Subversion integration', '',
'list of subcommands:', '']
for name, func in sorted(table.items()):
short_description = (func.__doc__ or '').splitlines()[0]
ret.append(" %-10s %s" % (name, short_description))
return '\n'.join(ret) + '\n'