|
|
# convcmd - convert extension commands definition
|
|
|
#
|
|
|
# Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
|
|
|
#
|
|
|
# This software may be used and distributed according to the terms of the
|
|
|
# GNU General Public License version 2 or any later version.
|
|
|
|
|
|
from common import NoRepo, MissingTool, SKIPREV, mapfile
|
|
|
from cvs import convert_cvs
|
|
|
from darcs import darcs_source
|
|
|
from git import convert_git
|
|
|
from hg import mercurial_source, mercurial_sink
|
|
|
from subversion import svn_source, svn_sink
|
|
|
from monotone import monotone_source
|
|
|
from gnuarch import gnuarch_source
|
|
|
from bzr import bzr_source
|
|
|
from p4 import p4_source
|
|
|
import filemap, common
|
|
|
|
|
|
import os, shutil
|
|
|
from mercurial import hg, util, encoding
|
|
|
from mercurial.i18n import _
|
|
|
|
|
|
orig_encoding = 'ascii'
|
|
|
|
|
|
def recode(s):
|
|
|
if isinstance(s, unicode):
|
|
|
return s.encode(orig_encoding, 'replace')
|
|
|
else:
|
|
|
return s.decode('utf-8').encode(orig_encoding, 'replace')
|
|
|
|
|
|
source_converters = [
|
|
|
('cvs', convert_cvs, 'branchsort'),
|
|
|
('git', convert_git, 'branchsort'),
|
|
|
('svn', svn_source, 'branchsort'),
|
|
|
('hg', mercurial_source, 'sourcesort'),
|
|
|
('darcs', darcs_source, 'branchsort'),
|
|
|
('mtn', monotone_source, 'branchsort'),
|
|
|
('gnuarch', gnuarch_source, 'branchsort'),
|
|
|
('bzr', bzr_source, 'branchsort'),
|
|
|
('p4', p4_source, 'branchsort'),
|
|
|
]
|
|
|
|
|
|
sink_converters = [
|
|
|
('hg', mercurial_sink),
|
|
|
('svn', svn_sink),
|
|
|
]
|
|
|
|
|
|
def convertsource(ui, path, type, rev):
|
|
|
exceptions = []
|
|
|
if type and type not in [s[0] for s in source_converters]:
|
|
|
raise util.Abort(_('%s: invalid source repository type') % type)
|
|
|
for name, source, sortmode in source_converters:
|
|
|
try:
|
|
|
if not type or name == type:
|
|
|
return source(ui, path, rev), sortmode
|
|
|
except (NoRepo, MissingTool), inst:
|
|
|
exceptions.append(inst)
|
|
|
if not ui.quiet:
|
|
|
for inst in exceptions:
|
|
|
ui.write("%s\n" % inst)
|
|
|
raise util.Abort(_('%s: missing or unsupported repository') % path)
|
|
|
|
|
|
def convertsink(ui, path, type):
|
|
|
if type and type not in [s[0] for s in sink_converters]:
|
|
|
raise util.Abort(_('%s: invalid destination repository type') % type)
|
|
|
for name, sink in sink_converters:
|
|
|
try:
|
|
|
if not type or name == type:
|
|
|
return sink(ui, path)
|
|
|
except NoRepo, inst:
|
|
|
ui.note(_("convert: %s\n") % inst)
|
|
|
except MissingTool, inst:
|
|
|
raise util.Abort('%s\n' % inst)
|
|
|
raise util.Abort(_('%s: unknown repository type') % path)
|
|
|
|
|
|
class progresssource(object):
|
|
|
def __init__(self, ui, source, filecount):
|
|
|
self.ui = ui
|
|
|
self.source = source
|
|
|
self.filecount = filecount
|
|
|
self.retrieved = 0
|
|
|
|
|
|
def getfile(self, file, rev):
|
|
|
self.retrieved += 1
|
|
|
self.ui.progress(_('getting files'), self.retrieved,
|
|
|
item=file, total=self.filecount)
|
|
|
return self.source.getfile(file, rev)
|
|
|
|
|
|
def lookuprev(self, rev):
|
|
|
return self.source.lookuprev(rev)
|
|
|
|
|
|
def close(self):
|
|
|
self.ui.progress(_('getting files'), None)
|
|
|
|
|
|
class converter(object):
|
|
|
def __init__(self, ui, source, dest, revmapfile, opts):
|
|
|
|
|
|
self.source = source
|
|
|
self.dest = dest
|
|
|
self.ui = ui
|
|
|
self.opts = opts
|
|
|
self.commitcache = {}
|
|
|
self.authors = {}
|
|
|
self.authorfile = None
|
|
|
|
|
|
# Record converted revisions persistently: maps source revision
|
|
|
# ID to target revision ID (both strings). (This is how
|
|
|
# incremental conversions work.)
|
|
|
self.map = mapfile(ui, revmapfile)
|
|
|
|
|
|
# Read first the dst author map if any
|
|
|
authorfile = self.dest.authorfile()
|
|
|
if authorfile and os.path.exists(authorfile):
|
|
|
self.readauthormap(authorfile)
|
|
|
# Extend/Override with new author map if necessary
|
|
|
if opts.get('authormap'):
|
|
|
self.readauthormap(opts.get('authormap'))
|
|
|
self.authorfile = self.dest.authorfile()
|
|
|
|
|
|
self.splicemap = common.parsesplicemap(opts.get('splicemap'))
|
|
|
self.branchmap = mapfile(ui, opts.get('branchmap'))
|
|
|
|
|
|
def walktree(self, heads):
|
|
|
'''Return a mapping that identifies the uncommitted parents of every
|
|
|
uncommitted changeset.'''
|
|
|
visit = heads
|
|
|
known = set()
|
|
|
parents = {}
|
|
|
while visit:
|
|
|
n = visit.pop(0)
|
|
|
if n in known or n in self.map:
|
|
|
continue
|
|
|
known.add(n)
|
|
|
self.ui.progress(_('scanning'), len(known), unit=_('revisions'))
|
|
|
commit = self.cachecommit(n)
|
|
|
parents[n] = []
|
|
|
for p in commit.parents:
|
|
|
parents[n].append(p)
|
|
|
visit.append(p)
|
|
|
self.ui.progress(_('scanning'), None)
|
|
|
|
|
|
return parents
|
|
|
|
|
|
def mergesplicemap(self, parents, splicemap):
|
|
|
"""A splicemap redefines child/parent relationships. Check the
|
|
|
map contains valid revision identifiers and merge the new
|
|
|
links in the source graph.
|
|
|
"""
|
|
|
for c in sorted(splicemap):
|
|
|
if c not in parents:
|
|
|
if not self.dest.hascommit(self.map.get(c, c)):
|
|
|
# Could be in source but not converted during this run
|
|
|
self.ui.warn(_('splice map revision %s is not being '
|
|
|
'converted, ignoring\n') % c)
|
|
|
continue
|
|
|
pc = []
|
|
|
for p in splicemap[c]:
|
|
|
# We do not have to wait for nodes already in dest.
|
|
|
if self.dest.hascommit(self.map.get(p, p)):
|
|
|
continue
|
|
|
# Parent is not in dest and not being converted, not good
|
|
|
if p not in parents:
|
|
|
raise util.Abort(_('unknown splice map parent: %s') % p)
|
|
|
pc.append(p)
|
|
|
parents[c] = pc
|
|
|
|
|
|
def toposort(self, parents, sortmode):
|
|
|
'''Return an ordering such that every uncommitted changeset is
|
|
|
preceded by all its uncommitted ancestors.'''
|
|
|
|
|
|
def mapchildren(parents):
|
|
|
"""Return a (children, roots) tuple where 'children' maps parent
|
|
|
revision identifiers to children ones, and 'roots' is the list of
|
|
|
revisions without parents. 'parents' must be a mapping of revision
|
|
|
identifier to its parents ones.
|
|
|
"""
|
|
|
visit = sorted(parents)
|
|
|
seen = set()
|
|
|
children = {}
|
|
|
roots = []
|
|
|
|
|
|
while visit:
|
|
|
n = visit.pop(0)
|
|
|
if n in seen:
|
|
|
continue
|
|
|
seen.add(n)
|
|
|
# Ensure that nodes without parents are present in the
|
|
|
# 'children' mapping.
|
|
|
children.setdefault(n, [])
|
|
|
hasparent = False
|
|
|
for p in parents[n]:
|
|
|
if p not in self.map:
|
|
|
visit.append(p)
|
|
|
hasparent = True
|
|
|
children.setdefault(p, []).append(n)
|
|
|
if not hasparent:
|
|
|
roots.append(n)
|
|
|
|
|
|
return children, roots
|
|
|
|
|
|
# Sort functions are supposed to take a list of revisions which
|
|
|
# can be converted immediately and pick one
|
|
|
|
|
|
def makebranchsorter():
|
|
|
"""If the previously converted revision has a child in the
|
|
|
eligible revisions list, pick it. Return the list head
|
|
|
otherwise. Branch sort attempts to minimize branch
|
|
|
switching, which is harmful for Mercurial backend
|
|
|
compression.
|
|
|
"""
|
|
|
prev = [None]
|
|
|
def picknext(nodes):
|
|
|
next = nodes[0]
|
|
|
for n in nodes:
|
|
|
if prev[0] in parents[n]:
|
|
|
next = n
|
|
|
break
|
|
|
prev[0] = next
|
|
|
return next
|
|
|
return picknext
|
|
|
|
|
|
def makesourcesorter():
|
|
|
"""Source specific sort."""
|
|
|
keyfn = lambda n: self.commitcache[n].sortkey
|
|
|
def picknext(nodes):
|
|
|
return sorted(nodes, key=keyfn)[0]
|
|
|
return picknext
|
|
|
|
|
|
def makedatesorter():
|
|
|
"""Sort revisions by date."""
|
|
|
dates = {}
|
|
|
def getdate(n):
|
|
|
if n not in dates:
|
|
|
dates[n] = util.parsedate(self.commitcache[n].date)
|
|
|
return dates[n]
|
|
|
|
|
|
def picknext(nodes):
|
|
|
return min([(getdate(n), n) for n in nodes])[1]
|
|
|
|
|
|
return picknext
|
|
|
|
|
|
if sortmode == 'branchsort':
|
|
|
picknext = makebranchsorter()
|
|
|
elif sortmode == 'datesort':
|
|
|
picknext = makedatesorter()
|
|
|
elif sortmode == 'sourcesort':
|
|
|
picknext = makesourcesorter()
|
|
|
else:
|
|
|
raise util.Abort(_('unknown sort mode: %s') % sortmode)
|
|
|
|
|
|
children, actives = mapchildren(parents)
|
|
|
|
|
|
s = []
|
|
|
pendings = {}
|
|
|
while actives:
|
|
|
n = picknext(actives)
|
|
|
actives.remove(n)
|
|
|
s.append(n)
|
|
|
|
|
|
# Update dependents list
|
|
|
for c in children.get(n, []):
|
|
|
if c not in pendings:
|
|
|
pendings[c] = [p for p in parents[c] if p not in self.map]
|
|
|
try:
|
|
|
pendings[c].remove(n)
|
|
|
except ValueError:
|
|
|
raise util.Abort(_('cycle detected between %s and %s')
|
|
|
% (recode(c), recode(n)))
|
|
|
if not pendings[c]:
|
|
|
# Parents are converted, node is eligible
|
|
|
actives.insert(0, c)
|
|
|
pendings[c] = None
|
|
|
|
|
|
if len(s) != len(parents):
|
|
|
raise util.Abort(_("not all revisions were sorted"))
|
|
|
|
|
|
return s
|
|
|
|
|
|
def writeauthormap(self):
|
|
|
authorfile = self.authorfile
|
|
|
if authorfile:
|
|
|
self.ui.status(_('writing author map file %s\n') % authorfile)
|
|
|
ofile = open(authorfile, 'w+')
|
|
|
for author in self.authors:
|
|
|
ofile.write("%s=%s\n" % (author, self.authors[author]))
|
|
|
ofile.close()
|
|
|
|
|
|
def readauthormap(self, authorfile):
|
|
|
afile = open(authorfile, 'r')
|
|
|
for line in afile:
|
|
|
|
|
|
line = line.strip()
|
|
|
if not line or line.startswith('#'):
|
|
|
continue
|
|
|
|
|
|
try:
|
|
|
srcauthor, dstauthor = line.split('=', 1)
|
|
|
except ValueError:
|
|
|
msg = _('ignoring bad line in author map file %s: %s\n')
|
|
|
self.ui.warn(msg % (authorfile, line.rstrip()))
|
|
|
continue
|
|
|
|
|
|
srcauthor = srcauthor.strip()
|
|
|
dstauthor = dstauthor.strip()
|
|
|
if self.authors.get(srcauthor) in (None, dstauthor):
|
|
|
msg = _('mapping author %s to %s\n')
|
|
|
self.ui.debug(msg % (srcauthor, dstauthor))
|
|
|
self.authors[srcauthor] = dstauthor
|
|
|
continue
|
|
|
|
|
|
m = _('overriding mapping for author %s, was %s, will be %s\n')
|
|
|
self.ui.status(m % (srcauthor, self.authors[srcauthor], dstauthor))
|
|
|
|
|
|
afile.close()
|
|
|
|
|
|
def cachecommit(self, rev):
|
|
|
commit = self.source.getcommit(rev)
|
|
|
commit.author = self.authors.get(commit.author, commit.author)
|
|
|
commit.branch = self.branchmap.get(commit.branch, commit.branch)
|
|
|
self.commitcache[rev] = commit
|
|
|
return commit
|
|
|
|
|
|
def copy(self, rev):
|
|
|
commit = self.commitcache[rev]
|
|
|
|
|
|
changes = self.source.getchanges(rev)
|
|
|
if isinstance(changes, basestring):
|
|
|
if changes == SKIPREV:
|
|
|
dest = SKIPREV
|
|
|
else:
|
|
|
dest = self.map[changes]
|
|
|
self.map[rev] = dest
|
|
|
return
|
|
|
files, copies = changes
|
|
|
pbranches = []
|
|
|
if commit.parents:
|
|
|
for prev in commit.parents:
|
|
|
if prev not in self.commitcache:
|
|
|
self.cachecommit(prev)
|
|
|
pbranches.append((self.map[prev],
|
|
|
self.commitcache[prev].branch))
|
|
|
self.dest.setbranch(commit.branch, pbranches)
|
|
|
try:
|
|
|
parents = self.splicemap[rev]
|
|
|
self.ui.status(_('spliced in %s as parents of %s\n') %
|
|
|
(parents, rev))
|
|
|
parents = [self.map.get(p, p) for p in parents]
|
|
|
except KeyError:
|
|
|
parents = [b[0] for b in pbranches]
|
|
|
source = progresssource(self.ui, self.source, len(files))
|
|
|
newnode = self.dest.putcommit(files, copies, parents, commit,
|
|
|
source, self.map)
|
|
|
source.close()
|
|
|
self.source.converted(rev, newnode)
|
|
|
self.map[rev] = newnode
|
|
|
|
|
|
def convert(self, sortmode):
|
|
|
try:
|
|
|
self.source.before()
|
|
|
self.dest.before()
|
|
|
self.source.setrevmap(self.map)
|
|
|
self.ui.status(_("scanning source...\n"))
|
|
|
heads = self.source.getheads()
|
|
|
parents = self.walktree(heads)
|
|
|
self.mergesplicemap(parents, self.splicemap)
|
|
|
self.ui.status(_("sorting...\n"))
|
|
|
t = self.toposort(parents, sortmode)
|
|
|
num = len(t)
|
|
|
c = None
|
|
|
|
|
|
self.ui.status(_("converting...\n"))
|
|
|
for i, c in enumerate(t):
|
|
|
num -= 1
|
|
|
desc = self.commitcache[c].desc
|
|
|
if "\n" in desc:
|
|
|
desc = desc.splitlines()[0]
|
|
|
# convert log message to local encoding without using
|
|
|
# tolocal() because the encoding.encoding convert()
|
|
|
# uses is 'utf-8'
|
|
|
self.ui.status("%d %s\n" % (num, recode(desc)))
|
|
|
self.ui.note(_("source: %s\n") % recode(c))
|
|
|
self.ui.progress(_('converting'), i, unit=_('revisions'),
|
|
|
total=len(t))
|
|
|
self.copy(c)
|
|
|
self.ui.progress(_('converting'), None)
|
|
|
|
|
|
tags = self.source.gettags()
|
|
|
ctags = {}
|
|
|
for k in tags:
|
|
|
v = tags[k]
|
|
|
if self.map.get(v, SKIPREV) != SKIPREV:
|
|
|
ctags[k] = self.map[v]
|
|
|
|
|
|
if c and ctags:
|
|
|
nrev, tagsparent = self.dest.puttags(ctags)
|
|
|
if nrev and tagsparent:
|
|
|
# write another hash correspondence to override the previous
|
|
|
# one so we don't end up with extra tag heads
|
|
|
tagsparents = [e for e in self.map.iteritems()
|
|
|
if e[1] == tagsparent]
|
|
|
if tagsparents:
|
|
|
self.map[tagsparents[0][0]] = nrev
|
|
|
|
|
|
bookmarks = self.source.getbookmarks()
|
|
|
cbookmarks = {}
|
|
|
for k in bookmarks:
|
|
|
v = bookmarks[k]
|
|
|
if self.map.get(v, SKIPREV) != SKIPREV:
|
|
|
cbookmarks[k] = self.map[v]
|
|
|
|
|
|
if c and cbookmarks:
|
|
|
self.dest.putbookmarks(cbookmarks)
|
|
|
|
|
|
self.writeauthormap()
|
|
|
finally:
|
|
|
self.cleanup()
|
|
|
|
|
|
def cleanup(self):
|
|
|
try:
|
|
|
self.dest.after()
|
|
|
finally:
|
|
|
self.source.after()
|
|
|
self.map.close()
|
|
|
|
|
|
def convert(ui, src, dest=None, revmapfile=None, **opts):
|
|
|
global orig_encoding
|
|
|
orig_encoding = encoding.encoding
|
|
|
encoding.encoding = 'UTF-8'
|
|
|
|
|
|
# support --authors as an alias for --authormap
|
|
|
if not opts.get('authormap'):
|
|
|
opts['authormap'] = opts.get('authors')
|
|
|
|
|
|
if not dest:
|
|
|
dest = hg.defaultdest(src) + "-hg"
|
|
|
ui.status(_("assuming destination %s\n") % dest)
|
|
|
|
|
|
destc = convertsink(ui, dest, opts.get('dest_type'))
|
|
|
|
|
|
try:
|
|
|
srcc, defaultsort = convertsource(ui, src, opts.get('source_type'),
|
|
|
opts.get('rev'))
|
|
|
except Exception:
|
|
|
for path in destc.created:
|
|
|
shutil.rmtree(path, True)
|
|
|
raise
|
|
|
|
|
|
sortmodes = ('branchsort', 'datesort', 'sourcesort')
|
|
|
sortmode = [m for m in sortmodes if opts.get(m)]
|
|
|
if len(sortmode) > 1:
|
|
|
raise util.Abort(_('more than one sort mode specified'))
|
|
|
sortmode = sortmode and sortmode[0] or defaultsort
|
|
|
if sortmode == 'sourcesort' and not srcc.hasnativeorder():
|
|
|
raise util.Abort(_('--sourcesort is not supported by this data source'))
|
|
|
|
|
|
fmap = opts.get('filemap')
|
|
|
if fmap:
|
|
|
srcc = filemap.filemap_source(ui, srcc, fmap)
|
|
|
destc.setfilemapmode(True)
|
|
|
|
|
|
if not revmapfile:
|
|
|
try:
|
|
|
revmapfile = destc.revmapfile()
|
|
|
except Exception:
|
|
|
revmapfile = os.path.join(destc, "map")
|
|
|
|
|
|
c = converter(ui, srcc, destc, revmapfile, opts)
|
|
|
c.convert(sortmode)
|
|
|
|
|
|
|
