convcmd.py
354 lines
| 11.3 KiB
| text/x-python
|
PythonLexer
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r5621 | # 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, incorporated herein by reference. | ||||
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r6332 | from common import NoRepo, MissingTool, SKIPREV, mapfile | ||
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r5621 | from cvs import convert_cvs | ||
from darcs import darcs_source | ||||
from git import convert_git | ||||
from hg import mercurial_source, mercurial_sink | ||||
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r5631 | from subversion import debugsvnlog, svn_source, svn_sink | ||
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r6306 | from monotone import monotone_source | ||
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r6035 | from gnuarch import gnuarch_source | ||
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r5621 | import filemap | ||
import os, shutil | ||||
from mercurial import hg, util | ||||
from mercurial.i18n import _ | ||||
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r6131 | 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') | ||||
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r5621 | source_converters = [ | ||
('cvs', convert_cvs), | ||||
('git', convert_git), | ||||
('svn', svn_source), | ||||
('hg', mercurial_source), | ||||
('darcs', darcs_source), | ||||
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r6306 | ('mtn', monotone_source), | ||
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r6035 | ('gnuarch', gnuarch_source), | ||
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r5621 | ] | ||
sink_converters = [ | ||||
('hg', mercurial_sink), | ||||
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r5631 | ('svn', svn_sink), | ||
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r5621 | ] | ||
def convertsource(ui, path, type, rev): | ||||
exceptions = [] | ||||
for name, source in source_converters: | ||||
try: | ||||
if not type or name == type: | ||||
return source(ui, path, rev) | ||||
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r6332 | except (NoRepo, MissingTool), inst: | ||
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r5621 | exceptions.append(inst) | ||
if not ui.quiet: | ||||
for inst in exceptions: | ||||
ui.write(_("%s\n") % inst) | ||||
raise util.Abort('%s: unknown repository type' % path) | ||||
def convertsink(ui, path, 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) | ||||
raise util.Abort('%s: unknown repository type' % path) | ||||
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 | ||||
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r5631 | self.map = mapfile(ui, revmapfile) | ||
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r5621 | |||
# 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('authors'): | ||||
self.readauthormap(opts.get('authors')) | ||||
self.authorfile = self.dest.authorfile() | ||||
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r6143 | self.splicemap = mapfile(ui, opts.get('splicemap')) | ||
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r5996 | |||
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r5621 | def walktree(self, heads): | ||
'''Return a mapping that identifies the uncommitted parents of every | ||||
uncommitted changeset.''' | ||||
visit = heads | ||||
known = {} | ||||
parents = {} | ||||
while visit: | ||||
n = visit.pop(0) | ||||
if n in known or n in self.map: continue | ||||
known[n] = 1 | ||||
commit = self.cachecommit(n) | ||||
parents[n] = [] | ||||
for p in commit.parents: | ||||
parents[n].append(p) | ||||
visit.append(p) | ||||
return parents | ||||
def toposort(self, parents): | ||||
'''Return an ordering such that every uncommitted changeset is | ||||
preceeded by all its uncommitted ancestors.''' | ||||
visit = parents.keys() | ||||
seen = {} | ||||
children = {} | ||||
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r6100 | actives = [] | ||
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r5621 | |||
while visit: | ||||
n = visit.pop(0) | ||||
if n in seen: continue | ||||
seen[n] = 1 | ||||
# Ensure that nodes without parents are present in the 'children' | ||||
# mapping. | ||||
children.setdefault(n, []) | ||||
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r6100 | hasparent = False | ||
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r5621 | for p in parents[n]: | ||
if not p in self.map: | ||||
visit.append(p) | ||||
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r6100 | hasparent = True | ||
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r5621 | children.setdefault(p, []).append(n) | ||
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r6100 | if not hasparent: | ||
actives.append(n) | ||||
del seen | ||||
del visit | ||||
if self.opts.get('datesort'): | ||||
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] | ||||
else: | ||||
prev = [None] | ||||
def picknext(nodes): | ||||
# Return the first eligible child of the previously converted | ||||
# revision, or any of them. | ||||
next = nodes[0] | ||||
for n in nodes: | ||||
if prev[0] in parents[n]: | ||||
next = n | ||||
break | ||||
prev[0] = next | ||||
return next | ||||
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r5621 | |||
s = [] | ||||
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r6100 | pendings = {} | ||
while actives: | ||||
n = picknext(actives) | ||||
actives.remove(n) | ||||
s.append(n) | ||||
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r5621 | |||
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r6100 | # 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] | ||||
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r6131 | try: | ||
pendings[c].remove(n) | ||||
except ValueError: | ||||
raise util.Abort(_('cycle detected between %s and %s') | ||||
% (recode(c), recode(n))) | ||||
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r6100 | if not pendings[c]: | ||
# Parents are converted, node is eligible | ||||
actives.insert(0, c) | ||||
pendings[c] = None | ||||
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r5621 | |||
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r6100 | if len(s) != len(parents): | ||
raise util.Abort(_("not all revisions were sorted")) | ||||
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r5621 | |||
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: | ||||
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r6184 | if line.strip() == '': | ||
continue | ||||
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r5621 | try: | ||
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r6186 | srcauthor, dstauthor = line.split('=', 1) | ||
srcauthor = srcauthor.strip() | ||||
dstauthor = dstauthor.strip() | ||||
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r5621 | if srcauthor in self.authors and dstauthor != self.authors[srcauthor]: | ||
self.ui.status( | ||||
'Overriding mapping for author %s, was %s, will be %s\n' | ||||
% (srcauthor, self.authors[srcauthor], dstauthor)) | ||||
else: | ||||
self.ui.debug('Mapping author %s to %s\n' | ||||
% (srcauthor, dstauthor)) | ||||
self.authors[srcauthor] = dstauthor | ||||
except IndexError: | ||||
self.ui.warn( | ||||
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r6185 | 'Ignoring bad line in author map file %s: %s\n' | ||
% (authorfile, line.rstrip())) | ||||
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r5621 | afile.close() | ||
def cachecommit(self, rev): | ||||
commit = self.source.getcommit(rev) | ||||
commit.author = self.authors.get(commit.author, commit.author) | ||||
self.commitcache[rev] = commit | ||||
return commit | ||||
def copy(self, rev): | ||||
commit = self.commitcache[rev] | ||||
do_copies = hasattr(self.dest, 'copyfile') | ||||
filenames = [] | ||||
changes = self.source.getchanges(rev) | ||||
if isinstance(changes, basestring): | ||||
if changes == SKIPREV: | ||||
dest = SKIPREV | ||||
else: | ||||
dest = self.map[changes] | ||||
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r5631 | self.map[rev] = dest | ||
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r5621 | return | ||
files, copies = changes | ||||
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r5934 | pbranches = [] | ||
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r5621 | if commit.parents: | ||
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r5934 | for prev in commit.parents: | ||
if prev not in self.commitcache: | ||||
self.cachecommit(prev) | ||||
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r6210 | pbranches.append((self.map[prev], | ||
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r5934 | self.commitcache[prev].branch)) | ||
self.dest.setbranch(commit.branch, pbranches) | ||||
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r5621 | for f, v in files: | ||
filenames.append(f) | ||||
try: | ||||
data = self.source.getfile(f, v) | ||||
except IOError, inst: | ||||
self.dest.delfile(f) | ||||
else: | ||||
e = self.source.getmode(f, v) | ||||
self.dest.putfile(f, e, data) | ||||
if do_copies: | ||||
if f in copies: | ||||
copyf = copies[f] | ||||
# Merely marks that a copy happened. | ||||
self.dest.copyfile(copyf, f) | ||||
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r5996 | try: | ||
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r6143 | parents = self.splicemap[rev].replace(',', ' ').split() | ||
self.ui.status('spliced in %s as parents of %s\n' % | ||||
(parents, rev)) | ||||
parents = [self.map.get(p, p) for p in parents] | ||||
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r5996 | except KeyError: | ||
parents = [b[0] for b in pbranches] | ||||
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r5621 | newnode = self.dest.putcommit(filenames, parents, commit) | ||
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r5631 | self.source.converted(rev, newnode) | ||
self.map[rev] = newnode | ||||
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r5621 | |||
def convert(self): | ||||
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r5954 | |||
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r5621 | try: | ||
self.source.before() | ||||
self.dest.before() | ||||
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r5631 | self.source.setrevmap(self.map) | ||
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r5621 | self.ui.status("scanning source...\n") | ||
heads = self.source.getheads() | ||||
parents = self.walktree(heads) | ||||
self.ui.status("sorting...\n") | ||||
t = self.toposort(parents) | ||||
num = len(t) | ||||
c = None | ||||
self.ui.status("converting...\n") | ||||
for c in t: | ||||
num -= 1 | ||||
desc = self.commitcache[c].desc | ||||
if "\n" in desc: | ||||
desc = desc.splitlines()[0] | ||||
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r5794 | # convert log message to local encoding without using | ||
# tolocal() because util._encoding conver() use it as | ||||
# 'utf-8' | ||||
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r5954 | self.ui.status("%d %s\n" % (num, recode(desc))) | ||
self.ui.note(_("source: %s\n" % recode(c))) | ||||
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r5621 | self.copy(c) | ||
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 = self.dest.puttags(ctags) | ||||
# write another hash correspondence to override the previous | ||||
# one so we don't end up with extra tag heads | ||||
if nrev: | ||||
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r5631 | self.map[c] = nrev | ||
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r5621 | |||
self.writeauthormap() | ||||
finally: | ||||
self.cleanup() | ||||
def cleanup(self): | ||||
try: | ||||
self.dest.after() | ||||
finally: | ||||
self.source.after() | ||||
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r5631 | self.map.close() | ||
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r5621 | |||
def convert(ui, src, dest=None, revmapfile=None, **opts): | ||||
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r5794 | global orig_encoding | ||
orig_encoding = util._encoding | ||||
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r5621 | util._encoding = 'UTF-8' | ||
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 = convertsource(ui, src, opts.get('source_type'), | ||||
opts.get('rev')) | ||||
except Exception: | ||||
for path in destc.created: | ||||
shutil.rmtree(path, True) | ||||
raise | ||||
fmap = opts.get('filemap') | ||||
if fmap: | ||||
srcc = filemap.filemap_source(ui, srcc, fmap) | ||||
destc.setfilemapmode(True) | ||||
if not revmapfile: | ||||
try: | ||||
revmapfile = destc.revmapfile() | ||||
except: | ||||
revmapfile = os.path.join(destc, "map") | ||||
c = converter(ui, srcc, destc, revmapfile, opts) | ||||
c.convert() | ||||