ba091c200d
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
1192 lines
31 KiB
Python
Executable File
1192 lines
31 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Copyright (c) 2012 Felipe Contreras
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#
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# Inspired by Rocco Rutte's hg-fast-export
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# Just copy to your ~/bin, or anywhere in your $PATH.
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# Then you can clone with:
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# git clone hg::/path/to/mercurial/repo/
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#
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# For remote repositories a local clone is stored in
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# "$GIT_DIR/hg/origin/clone/.hg/".
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from mercurial import hg, ui, bookmarks, context, encoding, node, error, extensions, discovery, util
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import re
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import sys
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import os
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import json
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import shutil
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import subprocess
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import urllib
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import atexit
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import urlparse, hashlib
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#
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# If you are not in hg-git-compat mode and want to disable the tracking of
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# named branches:
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# git config --global remote-hg.track-branches false
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#
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# If you don't want to force pushes (and thus risk creating new remote heads):
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# git config --global remote-hg.force-push false
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#
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# If you want the equivalent of hg's clone/pull--insecure option:
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# git config --global remote-hg.insecure true
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#
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# If you want to switch to hg-git compatibility mode:
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# git config --global remote-hg.hg-git-compat true
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#
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# git:
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# Sensible defaults for git.
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# hg bookmarks are exported as git branches, hg branches are prefixed
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# with 'branches/', HEAD is a special case.
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#
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# hg:
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# Emulate hg-git.
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# Only hg bookmarks are exported as git branches.
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# Commits are modified to preserve hg information and allow bidirectionality.
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#
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NAME_RE = re.compile('^([^<>]+)')
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AUTHOR_RE = re.compile('^([^<>]+?)? ?<([^<>]*)>$')
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EMAIL_RE = re.compile('^([^<>]+[^ \\\t<>])?\\b(?:[ \\t<>]*?)\\b([^ \\t<>]+@[^ \\t<>]+)')
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AUTHOR_HG_RE = re.compile('^(.*?) ?<(.*?)(?:>(.+)?)?$')
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RAW_AUTHOR_RE = re.compile('^(\w+) (?:(.+)? )?<(.*)> (\d+) ([+-]\d+)')
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VERSION = 2
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def die(msg, *args):
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sys.stderr.write('ERROR: %s\n' % (msg % args))
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sys.exit(1)
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def warn(msg, *args):
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sys.stderr.write('WARNING: %s\n' % (msg % args))
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def gitmode(flags):
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return 'l' in flags and '120000' or 'x' in flags and '100755' or '100644'
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def gittz(tz):
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return '%+03d%02d' % (-tz / 3600, -tz % 3600 / 60)
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def hgmode(mode):
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m = { '100755': 'x', '120000': 'l' }
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return m.get(mode, '')
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def hghex(n):
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return node.hex(n)
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def hgbin(n):
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return node.bin(n)
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def hgref(ref):
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return ref.replace('___', ' ')
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def gitref(ref):
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return ref.replace(' ', '___')
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def check_version(*check):
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if not hg_version:
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return True
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return hg_version >= check
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def get_config(config):
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cmd = ['git', 'config', '--get', config]
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process = subprocess.Popen(cmd, stdout=subprocess.PIPE)
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output, _ = process.communicate()
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return output
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def get_config_bool(config, default=False):
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value = get_config(config).rstrip('\n')
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if value == "true":
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return True
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elif value == "false":
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return False
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else:
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return default
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class Marks:
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def __init__(self, path, repo):
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self.path = path
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self.repo = repo
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self.clear()
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self.load()
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if self.version < VERSION:
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if self.version == 1:
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self.upgrade_one()
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# upgraded?
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if self.version < VERSION:
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self.clear()
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self.version = VERSION
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def clear(self):
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self.tips = {}
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self.marks = {}
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self.rev_marks = {}
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self.last_mark = 0
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self.version = 0
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def load(self):
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if not os.path.exists(self.path):
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return
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tmp = json.load(open(self.path))
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self.tips = tmp['tips']
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self.marks = tmp['marks']
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self.last_mark = tmp['last-mark']
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self.version = tmp.get('version', 1)
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for rev, mark in self.marks.iteritems():
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self.rev_marks[mark] = rev
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def upgrade_one(self):
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def get_id(rev):
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return hghex(self.repo.changelog.node(int(rev)))
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self.tips = dict((name, get_id(rev)) for name, rev in self.tips.iteritems())
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self.marks = dict((get_id(rev), mark) for rev, mark in self.marks.iteritems())
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self.rev_marks = dict((mark, get_id(rev)) for mark, rev in self.rev_marks.iteritems())
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self.version = 2
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def dict(self):
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return { 'tips': self.tips, 'marks': self.marks, 'last-mark' : self.last_mark, 'version' : self.version }
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def store(self):
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json.dump(self.dict(), open(self.path, 'w'))
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def __str__(self):
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return str(self.dict())
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def from_rev(self, rev):
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return self.marks[rev]
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def to_rev(self, mark):
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return str(self.rev_marks[mark])
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def next_mark(self):
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self.last_mark += 1
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return self.last_mark
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def get_mark(self, rev):
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self.last_mark += 1
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self.marks[rev] = self.last_mark
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return self.last_mark
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def new_mark(self, rev, mark):
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self.marks[rev] = mark
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self.rev_marks[mark] = rev
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self.last_mark = mark
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def is_marked(self, rev):
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return rev in self.marks
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def get_tip(self, branch):
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return str(self.tips[branch])
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def set_tip(self, branch, tip):
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self.tips[branch] = tip
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class Parser:
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def __init__(self, repo):
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self.repo = repo
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self.line = self.get_line()
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def get_line(self):
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return sys.stdin.readline().strip()
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def __getitem__(self, i):
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return self.line.split()[i]
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def check(self, word):
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return self.line.startswith(word)
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def each_block(self, separator):
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while self.line != separator:
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yield self.line
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self.line = self.get_line()
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def __iter__(self):
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return self.each_block('')
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def next(self):
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self.line = self.get_line()
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if self.line == 'done':
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self.line = None
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def get_mark(self):
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i = self.line.index(':') + 1
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return int(self.line[i:])
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def get_data(self):
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if not self.check('data'):
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return None
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i = self.line.index(' ') + 1
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size = int(self.line[i:])
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return sys.stdin.read(size)
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def get_author(self):
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global bad_mail
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ex = None
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m = RAW_AUTHOR_RE.match(self.line)
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if not m:
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return None
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_, name, email, date, tz = m.groups()
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if name and 'ext:' in name:
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m = re.match('^(.+?) ext:\((.+)\)$', name)
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if m:
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name = m.group(1)
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ex = urllib.unquote(m.group(2))
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if email != bad_mail:
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if name:
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user = '%s <%s>' % (name, email)
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else:
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user = '<%s>' % (email)
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else:
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user = name
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if ex:
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user += ex
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tz = int(tz)
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tz = ((tz / 100) * 3600) + ((tz % 100) * 60)
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return (user, int(date), -tz)
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def fix_file_path(path):
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if not os.path.isabs(path):
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return path
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return os.path.relpath(path, '/')
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def export_files(files):
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global marks, filenodes
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final = []
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for f in files:
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fid = node.hex(f.filenode())
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if fid in filenodes:
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mark = filenodes[fid]
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else:
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mark = marks.next_mark()
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filenodes[fid] = mark
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d = f.data()
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print "blob"
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print "mark :%u" % mark
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print "data %d" % len(d)
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print d
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path = fix_file_path(f.path())
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final.append((gitmode(f.flags()), mark, path))
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return final
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def get_filechanges(repo, ctx, parent):
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modified = set()
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added = set()
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removed = set()
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# load earliest manifest first for caching reasons
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prev = parent.manifest().copy()
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cur = ctx.manifest()
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for fn in cur:
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if fn in prev:
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if (cur.flags(fn) != prev.flags(fn) or cur[fn] != prev[fn]):
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modified.add(fn)
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del prev[fn]
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else:
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added.add(fn)
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removed |= set(prev.keys())
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return added | modified, removed
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def fixup_user_git(user):
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name = mail = None
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user = user.replace('"', '')
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m = AUTHOR_RE.match(user)
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if m:
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name = m.group(1)
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mail = m.group(2).strip()
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else:
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m = EMAIL_RE.match(user)
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if m:
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name = m.group(1)
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mail = m.group(2)
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else:
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m = NAME_RE.match(user)
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if m:
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name = m.group(1).strip()
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return (name, mail)
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def fixup_user_hg(user):
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def sanitize(name):
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# stole this from hg-git
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return re.sub('[<>\n]', '?', name.lstrip('< ').rstrip('> '))
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m = AUTHOR_HG_RE.match(user)
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if m:
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name = sanitize(m.group(1))
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mail = sanitize(m.group(2))
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ex = m.group(3)
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if ex:
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name += ' ext:(' + urllib.quote(ex) + ')'
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else:
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name = sanitize(user)
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if '@' in user:
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mail = name
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else:
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mail = None
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return (name, mail)
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def fixup_user(user):
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global mode, bad_mail
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if mode == 'git':
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name, mail = fixup_user_git(user)
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else:
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name, mail = fixup_user_hg(user)
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if not name:
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name = bad_name
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if not mail:
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mail = bad_mail
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return '%s <%s>' % (name, mail)
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def updatebookmarks(repo, peer):
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remotemarks = peer.listkeys('bookmarks')
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localmarks = repo._bookmarks
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if not remotemarks:
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return
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for k, v in remotemarks.iteritems():
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localmarks[k] = hgbin(v)
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if hasattr(localmarks, 'write'):
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localmarks.write()
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else:
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bookmarks.write(repo)
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def get_repo(url, alias):
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global dirname, peer
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myui = ui.ui()
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myui.setconfig('ui', 'interactive', 'off')
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myui.fout = sys.stderr
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if get_config_bool('remote-hg.insecure'):
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myui.setconfig('web', 'cacerts', '')
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extensions.loadall(myui)
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if hg.islocal(url) and not os.environ.get('GIT_REMOTE_HG_TEST_REMOTE'):
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repo = hg.repository(myui, url)
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if not os.path.exists(dirname):
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os.makedirs(dirname)
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else:
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shared_path = os.path.join(gitdir, 'hg')
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if not os.path.exists(shared_path):
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try:
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hg.clone(myui, {}, url, shared_path, update=False, pull=True)
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except:
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die('Repository error')
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if not os.path.exists(dirname):
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os.makedirs(dirname)
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local_path = os.path.join(dirname, 'clone')
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if not os.path.exists(local_path):
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hg.share(myui, shared_path, local_path, update=False)
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repo = hg.repository(myui, local_path)
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try:
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peer = hg.peer(myui, {}, url)
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except:
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die('Repository error')
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repo.pull(peer, heads=None, force=True)
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updatebookmarks(repo, peer)
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return repo
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def rev_to_mark(rev):
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global marks
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return marks.from_rev(rev.hex())
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def mark_to_rev(mark):
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global marks
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return marks.to_rev(mark)
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def export_ref(repo, name, kind, head):
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global prefix, marks, mode
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ename = '%s/%s' % (kind, name)
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try:
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tip = marks.get_tip(ename)
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tip = repo[tip].rev()
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except:
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tip = 0
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revs = xrange(tip, head.rev() + 1)
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total = len(revs)
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for rev in revs:
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c = repo[rev]
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node = c.node()
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if marks.is_marked(c.hex()):
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continue
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(manifest, user, (time, tz), files, desc, extra) = repo.changelog.read(node)
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rev_branch = extra['branch']
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author = "%s %d %s" % (fixup_user(user), time, gittz(tz))
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if 'committer' in extra:
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user, time, tz = extra['committer'].rsplit(' ', 2)
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committer = "%s %s %s" % (user, time, gittz(int(tz)))
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else:
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committer = author
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parents = [repo[p] for p in repo.changelog.parentrevs(rev) if p >= 0]
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if len(parents) == 0:
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modified = c.manifest().keys()
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removed = []
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else:
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modified, removed = get_filechanges(repo, c, parents[0])
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desc += '\n'
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if mode == 'hg':
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extra_msg = ''
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if rev_branch != 'default':
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extra_msg += 'branch : %s\n' % rev_branch
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renames = []
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for f in c.files():
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if f not in c.manifest():
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continue
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rename = c.filectx(f).renamed()
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if rename:
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renames.append((rename[0], f))
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for e in renames:
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extra_msg += "rename : %s => %s\n" % e
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for key, value in extra.iteritems():
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if key in ('author', 'committer', 'encoding', 'message', 'branch', 'hg-git'):
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continue
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else:
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extra_msg += "extra : %s : %s\n" % (key, urllib.quote(value))
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if extra_msg:
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desc += '\n--HG--\n' + extra_msg
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if len(parents) == 0 and rev:
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print 'reset %s/%s' % (prefix, ename)
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modified_final = export_files(c.filectx(f) for f in modified)
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print "commit %s/%s" % (prefix, ename)
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print "mark :%d" % (marks.get_mark(c.hex()))
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print "author %s" % (author)
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print "committer %s" % (committer)
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print "data %d" % (len(desc))
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print desc
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if len(parents) > 0:
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print "from :%s" % (rev_to_mark(parents[0]))
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if len(parents) > 1:
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print "merge :%s" % (rev_to_mark(parents[1]))
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for f in removed:
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print "D %s" % (fix_file_path(f))
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for f in modified_final:
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print "M %s :%u %s" % f
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print
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progress = (rev - tip)
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if (progress % 100 == 0):
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print "progress revision %d '%s' (%d/%d)" % (rev, name, progress, total)
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# make sure the ref is updated
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print "reset %s/%s" % (prefix, ename)
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print "from :%u" % rev_to_mark(head)
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print
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marks.set_tip(ename, head.hex())
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def export_tag(repo, tag):
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export_ref(repo, tag, 'tags', repo[hgref(tag)])
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def export_bookmark(repo, bmark):
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head = bmarks[hgref(bmark)]
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export_ref(repo, bmark, 'bookmarks', head)
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def export_branch(repo, branch):
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tip = get_branch_tip(repo, branch)
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head = repo[tip]
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export_ref(repo, branch, 'branches', head)
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def export_head(repo):
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global g_head
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export_ref(repo, g_head[0], 'bookmarks', g_head[1])
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def do_capabilities(parser):
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global prefix, dirname
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print "import"
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print "export"
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print "refspec refs/heads/branches/*:%s/branches/*" % prefix
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print "refspec refs/heads/*:%s/bookmarks/*" % prefix
|
|
print "refspec refs/tags/*:%s/tags/*" % prefix
|
|
|
|
path = os.path.join(dirname, 'marks-git')
|
|
|
|
if os.path.exists(path):
|
|
print "*import-marks %s" % path
|
|
print "*export-marks %s" % path
|
|
|
|
print
|
|
|
|
def branch_tip(branch):
|
|
return branches[branch][-1]
|
|
|
|
def get_branch_tip(repo, branch):
|
|
global branches
|
|
|
|
heads = branches.get(hgref(branch), None)
|
|
if not heads:
|
|
return None
|
|
|
|
# verify there's only one head
|
|
if (len(heads) > 1):
|
|
warn("Branch '%s' has more than one head, consider merging" % branch)
|
|
return branch_tip(hgref(branch))
|
|
|
|
return heads[0]
|
|
|
|
def list_head(repo, cur):
|
|
global g_head, bmarks, fake_bmark
|
|
|
|
if 'default' not in branches:
|
|
# empty repo
|
|
return
|
|
|
|
node = repo[branch_tip('default')]
|
|
head = 'master' if not 'master' in bmarks else 'default'
|
|
fake_bmark = head
|
|
bmarks[head] = node
|
|
|
|
head = gitref(head)
|
|
print "@refs/heads/%s HEAD" % head
|
|
g_head = (head, node)
|
|
|
|
def do_list(parser):
|
|
global branches, bmarks, track_branches
|
|
|
|
repo = parser.repo
|
|
for bmark, node in bookmarks.listbookmarks(repo).iteritems():
|
|
bmarks[bmark] = repo[node]
|
|
|
|
cur = repo.dirstate.branch()
|
|
orig = peer if peer else repo
|
|
|
|
for branch, heads in orig.branchmap().iteritems():
|
|
# only open heads
|
|
heads = [h for h in heads if 'close' not in repo.changelog.read(h)[5]]
|
|
if heads:
|
|
branches[branch] = heads
|
|
|
|
list_head(repo, cur)
|
|
|
|
if track_branches:
|
|
for branch in branches:
|
|
print "? refs/heads/branches/%s" % gitref(branch)
|
|
|
|
for bmark in bmarks:
|
|
print "? refs/heads/%s" % gitref(bmark)
|
|
|
|
for tag, node in repo.tagslist():
|
|
if tag == 'tip':
|
|
continue
|
|
print "? refs/tags/%s" % gitref(tag)
|
|
|
|
print
|
|
|
|
def do_import(parser):
|
|
repo = parser.repo
|
|
|
|
path = os.path.join(dirname, 'marks-git')
|
|
|
|
print "feature done"
|
|
if os.path.exists(path):
|
|
print "feature import-marks=%s" % path
|
|
print "feature export-marks=%s" % path
|
|
print "feature force"
|
|
sys.stdout.flush()
|
|
|
|
tmp = encoding.encoding
|
|
encoding.encoding = 'utf-8'
|
|
|
|
# lets get all the import lines
|
|
while parser.check('import'):
|
|
ref = parser[1]
|
|
|
|
if (ref == 'HEAD'):
|
|
export_head(repo)
|
|
elif ref.startswith('refs/heads/branches/'):
|
|
branch = ref[len('refs/heads/branches/'):]
|
|
export_branch(repo, branch)
|
|
elif ref.startswith('refs/heads/'):
|
|
bmark = ref[len('refs/heads/'):]
|
|
export_bookmark(repo, bmark)
|
|
elif ref.startswith('refs/tags/'):
|
|
tag = ref[len('refs/tags/'):]
|
|
export_tag(repo, tag)
|
|
|
|
parser.next()
|
|
|
|
encoding.encoding = tmp
|
|
|
|
print 'done'
|
|
|
|
def parse_blob(parser):
|
|
global blob_marks
|
|
|
|
parser.next()
|
|
mark = parser.get_mark()
|
|
parser.next()
|
|
data = parser.get_data()
|
|
blob_marks[mark] = data
|
|
parser.next()
|
|
|
|
def get_merge_files(repo, p1, p2, files):
|
|
for e in repo[p1].files():
|
|
if e not in files:
|
|
if e not in repo[p1].manifest():
|
|
continue
|
|
f = { 'ctx' : repo[p1][e] }
|
|
files[e] = f
|
|
|
|
def parse_commit(parser):
|
|
global marks, blob_marks, parsed_refs
|
|
global mode
|
|
|
|
from_mark = merge_mark = None
|
|
|
|
ref = parser[1]
|
|
parser.next()
|
|
|
|
commit_mark = parser.get_mark()
|
|
parser.next()
|
|
author = parser.get_author()
|
|
parser.next()
|
|
committer = parser.get_author()
|
|
parser.next()
|
|
data = parser.get_data()
|
|
parser.next()
|
|
if parser.check('from'):
|
|
from_mark = parser.get_mark()
|
|
parser.next()
|
|
if parser.check('merge'):
|
|
merge_mark = parser.get_mark()
|
|
parser.next()
|
|
if parser.check('merge'):
|
|
die('octopus merges are not supported yet')
|
|
|
|
# fast-export adds an extra newline
|
|
if data[-1] == '\n':
|
|
data = data[:-1]
|
|
|
|
files = {}
|
|
|
|
for line in parser:
|
|
if parser.check('M'):
|
|
t, m, mark_ref, path = line.split(' ', 3)
|
|
mark = int(mark_ref[1:])
|
|
f = { 'mode' : hgmode(m), 'data' : blob_marks[mark] }
|
|
elif parser.check('D'):
|
|
t, path = line.split(' ', 1)
|
|
f = { 'deleted' : True }
|
|
else:
|
|
die('Unknown file command: %s' % line)
|
|
files[path] = f
|
|
|
|
def getfilectx(repo, memctx, f):
|
|
of = files[f]
|
|
if 'deleted' in of:
|
|
raise IOError
|
|
if 'ctx' in of:
|
|
return of['ctx']
|
|
is_exec = of['mode'] == 'x'
|
|
is_link = of['mode'] == 'l'
|
|
rename = of.get('rename', None)
|
|
return context.memfilectx(f, of['data'],
|
|
is_link, is_exec, rename)
|
|
|
|
repo = parser.repo
|
|
|
|
user, date, tz = author
|
|
extra = {}
|
|
|
|
if committer != author:
|
|
extra['committer'] = "%s %u %u" % committer
|
|
|
|
if from_mark:
|
|
p1 = mark_to_rev(from_mark)
|
|
else:
|
|
p1 = '0' * 40
|
|
|
|
if merge_mark:
|
|
p2 = mark_to_rev(merge_mark)
|
|
else:
|
|
p2 = '0' * 40
|
|
|
|
#
|
|
# If files changed from any of the parents, hg wants to know, but in git if
|
|
# nothing changed from the first parent, nothing changed.
|
|
#
|
|
if merge_mark:
|
|
get_merge_files(repo, p1, p2, files)
|
|
|
|
# Check if the ref is supposed to be a named branch
|
|
if ref.startswith('refs/heads/branches/'):
|
|
branch = ref[len('refs/heads/branches/'):]
|
|
extra['branch'] = hgref(branch)
|
|
|
|
if mode == 'hg':
|
|
i = data.find('\n--HG--\n')
|
|
if i >= 0:
|
|
tmp = data[i + len('\n--HG--\n'):].strip()
|
|
for k, v in [e.split(' : ', 1) for e in tmp.split('\n')]:
|
|
if k == 'rename':
|
|
old, new = v.split(' => ', 1)
|
|
files[new]['rename'] = old
|
|
elif k == 'branch':
|
|
extra[k] = v
|
|
elif k == 'extra':
|
|
ek, ev = v.split(' : ', 1)
|
|
extra[ek] = urllib.unquote(ev)
|
|
data = data[:i]
|
|
|
|
ctx = context.memctx(repo, (p1, p2), data,
|
|
files.keys(), getfilectx,
|
|
user, (date, tz), extra)
|
|
|
|
tmp = encoding.encoding
|
|
encoding.encoding = 'utf-8'
|
|
|
|
node = hghex(repo.commitctx(ctx))
|
|
|
|
encoding.encoding = tmp
|
|
|
|
parsed_refs[ref] = node
|
|
marks.new_mark(node, commit_mark)
|
|
|
|
def parse_reset(parser):
|
|
global parsed_refs
|
|
|
|
ref = parser[1]
|
|
parser.next()
|
|
# ugh
|
|
if parser.check('commit'):
|
|
parse_commit(parser)
|
|
return
|
|
if not parser.check('from'):
|
|
return
|
|
from_mark = parser.get_mark()
|
|
parser.next()
|
|
|
|
rev = mark_to_rev(from_mark)
|
|
parsed_refs[ref] = rev
|
|
|
|
def parse_tag(parser):
|
|
name = parser[1]
|
|
parser.next()
|
|
from_mark = parser.get_mark()
|
|
parser.next()
|
|
tagger = parser.get_author()
|
|
parser.next()
|
|
data = parser.get_data()
|
|
parser.next()
|
|
|
|
parsed_tags[name] = (tagger, data)
|
|
|
|
def write_tag(repo, tag, node, msg, author):
|
|
branch = repo[node].branch()
|
|
tip = branch_tip(branch)
|
|
tip = repo[tip]
|
|
|
|
def getfilectx(repo, memctx, f):
|
|
try:
|
|
fctx = tip.filectx(f)
|
|
data = fctx.data()
|
|
except error.ManifestLookupError:
|
|
data = ""
|
|
content = data + "%s %s\n" % (node, tag)
|
|
return context.memfilectx(f, content, False, False, None)
|
|
|
|
p1 = tip.hex()
|
|
p2 = '0' * 40
|
|
if author:
|
|
user, date, tz = author
|
|
date_tz = (date, tz)
|
|
else:
|
|
cmd = ['git', 'var', 'GIT_COMMITTER_IDENT']
|
|
process = subprocess.Popen(cmd, stdout=subprocess.PIPE)
|
|
output, _ = process.communicate()
|
|
m = re.match('^.* <.*>', output)
|
|
if m:
|
|
user = m.group(0)
|
|
else:
|
|
user = repo.ui.username()
|
|
date_tz = None
|
|
|
|
ctx = context.memctx(repo, (p1, p2), msg,
|
|
['.hgtags'], getfilectx,
|
|
user, date_tz, {'branch' : branch})
|
|
|
|
tmp = encoding.encoding
|
|
encoding.encoding = 'utf-8'
|
|
|
|
tagnode = repo.commitctx(ctx)
|
|
|
|
encoding.encoding = tmp
|
|
|
|
return (tagnode, branch)
|
|
|
|
def checkheads_bmark(repo, ref, ctx):
|
|
if force_push:
|
|
return True
|
|
|
|
bmark = ref[len('refs/heads/'):]
|
|
if not bmark in bmarks:
|
|
# new bmark
|
|
return True
|
|
|
|
ctx_old = bmarks[bmark]
|
|
ctx_new = ctx
|
|
if not repo.changelog.descendant(ctx_old.rev(), ctx_new.rev()):
|
|
print "error %s non-fast forward" % ref
|
|
return False
|
|
|
|
return True
|
|
|
|
def checkheads(repo, remote, p_revs):
|
|
|
|
remotemap = remote.branchmap()
|
|
if not remotemap:
|
|
# empty repo
|
|
return True
|
|
|
|
new = {}
|
|
ret = True
|
|
|
|
for node, ref in p_revs.iteritems():
|
|
ctx = repo[node]
|
|
branch = ctx.branch()
|
|
if not branch in remotemap:
|
|
# new branch
|
|
continue
|
|
if not ref.startswith('refs/heads/branches'):
|
|
if ref.startswith('refs/heads/'):
|
|
if not checkheads_bmark(repo, ref, ctx):
|
|
ret = False
|
|
|
|
# only check branches
|
|
continue
|
|
new.setdefault(branch, []).append(ctx.rev())
|
|
|
|
for branch, heads in new.iteritems():
|
|
old = [repo.changelog.rev(x) for x in remotemap[branch]]
|
|
for rev in heads:
|
|
if check_version(2, 3):
|
|
ancestors = repo.changelog.ancestors([rev], stoprev=min(old))
|
|
else:
|
|
ancestors = repo.changelog.ancestors(rev)
|
|
found = False
|
|
|
|
for x in old:
|
|
if x in ancestors:
|
|
found = True
|
|
break
|
|
|
|
if found:
|
|
continue
|
|
|
|
node = repo.changelog.node(rev)
|
|
print "error %s non-fast forward" % p_revs[node]
|
|
ret = False
|
|
|
|
return ret
|
|
|
|
def push_unsafe(repo, remote, parsed_refs, p_revs):
|
|
|
|
force = force_push
|
|
|
|
fci = discovery.findcommonincoming
|
|
commoninc = fci(repo, remote, force=force)
|
|
common, _, remoteheads = commoninc
|
|
|
|
if not force and not checkheads(repo, remote, p_revs):
|
|
return None
|
|
|
|
cg = repo.getbundle('push', heads=list(p_revs), common=common)
|
|
|
|
unbundle = remote.capable('unbundle')
|
|
if unbundle:
|
|
if force:
|
|
remoteheads = ['force']
|
|
return remote.unbundle(cg, remoteheads, 'push')
|
|
else:
|
|
return remote.addchangegroup(cg, 'push', repo.url())
|
|
|
|
def push(repo, remote, parsed_refs, p_revs):
|
|
if hasattr(remote, 'canpush') and not remote.canpush():
|
|
print "error cannot push"
|
|
|
|
if not p_revs:
|
|
# nothing to push
|
|
return
|
|
|
|
lock = None
|
|
unbundle = remote.capable('unbundle')
|
|
if not unbundle:
|
|
lock = remote.lock()
|
|
try:
|
|
ret = push_unsafe(repo, remote, parsed_refs, p_revs)
|
|
finally:
|
|
if lock is not None:
|
|
lock.release()
|
|
|
|
return ret
|
|
|
|
def check_tip(ref, kind, name, heads):
|
|
try:
|
|
ename = '%s/%s' % (kind, name)
|
|
tip = marks.get_tip(ename)
|
|
except KeyError:
|
|
return True
|
|
else:
|
|
return tip in heads
|
|
|
|
def do_export(parser):
|
|
global parsed_refs, bmarks, peer
|
|
|
|
p_bmarks = []
|
|
p_revs = {}
|
|
|
|
parser.next()
|
|
|
|
for line in parser.each_block('done'):
|
|
if parser.check('blob'):
|
|
parse_blob(parser)
|
|
elif parser.check('commit'):
|
|
parse_commit(parser)
|
|
elif parser.check('reset'):
|
|
parse_reset(parser)
|
|
elif parser.check('tag'):
|
|
parse_tag(parser)
|
|
elif parser.check('feature'):
|
|
pass
|
|
else:
|
|
die('unhandled export command: %s' % line)
|
|
|
|
need_fetch = False
|
|
|
|
for ref, node in parsed_refs.iteritems():
|
|
bnode = hgbin(node)
|
|
if ref.startswith('refs/heads/branches'):
|
|
branch = ref[len('refs/heads/branches/'):]
|
|
if branch in branches and bnode in branches[branch]:
|
|
# up to date
|
|
continue
|
|
|
|
if peer:
|
|
remotemap = peer.branchmap()
|
|
if remotemap and branch in remotemap:
|
|
heads = [hghex(e) for e in remotemap[branch]]
|
|
if not check_tip(ref, 'branches', branch, heads):
|
|
print "error %s fetch first" % ref
|
|
need_fetch = True
|
|
continue
|
|
|
|
p_revs[bnode] = ref
|
|
print "ok %s" % ref
|
|
elif ref.startswith('refs/heads/'):
|
|
bmark = ref[len('refs/heads/'):]
|
|
new = node
|
|
old = bmarks[bmark].hex() if bmark in bmarks else ''
|
|
|
|
if old == new:
|
|
continue
|
|
|
|
print "ok %s" % ref
|
|
if bmark != fake_bmark and \
|
|
not (bmark == 'master' and bmark not in parser.repo._bookmarks):
|
|
p_bmarks.append((ref, bmark, old, new))
|
|
|
|
if peer:
|
|
remote_old = peer.listkeys('bookmarks').get(bmark)
|
|
if remote_old:
|
|
if not check_tip(ref, 'bookmarks', bmark, remote_old):
|
|
print "error %s fetch first" % ref
|
|
need_fetch = True
|
|
continue
|
|
|
|
p_revs[bnode] = ref
|
|
elif ref.startswith('refs/tags/'):
|
|
tag = ref[len('refs/tags/'):]
|
|
tag = hgref(tag)
|
|
author, msg = parsed_tags.get(tag, (None, None))
|
|
if mode == 'git':
|
|
if not msg:
|
|
msg = 'Added tag %s for changeset %s' % (tag, node[:12]);
|
|
tagnode, branch = write_tag(parser.repo, tag, node, msg, author)
|
|
p_revs[tagnode] = 'refs/heads/branches/' + gitref(branch)
|
|
else:
|
|
fp = parser.repo.opener('localtags', 'a')
|
|
fp.write('%s %s\n' % (node, tag))
|
|
fp.close()
|
|
p_revs[bnode] = ref
|
|
print "ok %s" % ref
|
|
else:
|
|
# transport-helper/fast-export bugs
|
|
continue
|
|
|
|
if need_fetch:
|
|
print
|
|
return
|
|
|
|
if dry_run:
|
|
if peer and not force_push:
|
|
checkheads(parser.repo, peer, p_revs)
|
|
print
|
|
return
|
|
|
|
if peer:
|
|
if not push(parser.repo, peer, parsed_refs, p_revs):
|
|
# do not update bookmarks
|
|
print
|
|
return
|
|
|
|
# update remote bookmarks
|
|
remote_bmarks = peer.listkeys('bookmarks')
|
|
for ref, bmark, old, new in p_bmarks:
|
|
if force_push:
|
|
old = remote_bmarks.get(bmark, '')
|
|
if not peer.pushkey('bookmarks', bmark, old, new):
|
|
print "error %s" % ref
|
|
else:
|
|
# update local bookmarks
|
|
for ref, bmark, old, new in p_bmarks:
|
|
if not bookmarks.pushbookmark(parser.repo, bmark, old, new):
|
|
print "error %s" % ref
|
|
|
|
print
|
|
|
|
def fix_path(alias, repo, orig_url):
|
|
url = urlparse.urlparse(orig_url, 'file')
|
|
if url.scheme != 'file' or os.path.isabs(url.path):
|
|
return
|
|
abs_url = urlparse.urljoin("%s/" % os.getcwd(), orig_url)
|
|
cmd = ['git', 'config', 'remote.%s.url' % alias, "hg::%s" % abs_url]
|
|
subprocess.call(cmd)
|
|
|
|
def main(args):
|
|
global prefix, gitdir, dirname, branches, bmarks
|
|
global marks, blob_marks, parsed_refs
|
|
global peer, mode, bad_mail, bad_name
|
|
global track_branches, force_push, is_tmp
|
|
global parsed_tags
|
|
global filenodes
|
|
global fake_bmark, hg_version
|
|
|
|
alias = args[1]
|
|
url = args[2]
|
|
peer = None
|
|
|
|
hg_git_compat = get_config_bool('remote-hg.hg-git-compat')
|
|
track_branches = get_config_bool('remote-hg.track-branches', True)
|
|
force_push = get_config_bool('remote-hg.force-push')
|
|
|
|
if hg_git_compat:
|
|
mode = 'hg'
|
|
bad_mail = 'none@none'
|
|
bad_name = ''
|
|
else:
|
|
mode = 'git'
|
|
bad_mail = 'unknown'
|
|
bad_name = 'Unknown'
|
|
|
|
if alias[4:] == url:
|
|
is_tmp = True
|
|
alias = hashlib.sha1(alias).hexdigest()
|
|
else:
|
|
is_tmp = False
|
|
|
|
gitdir = os.environ['GIT_DIR']
|
|
dirname = os.path.join(gitdir, 'hg', alias)
|
|
branches = {}
|
|
bmarks = {}
|
|
blob_marks = {}
|
|
parsed_refs = {}
|
|
marks = None
|
|
parsed_tags = {}
|
|
filenodes = {}
|
|
fake_bmark = None
|
|
try:
|
|
hg_version = tuple(int(e) for e in util.version().split('.'))
|
|
except:
|
|
hg_version = None
|
|
|
|
repo = get_repo(url, alias)
|
|
prefix = 'refs/hg/%s' % alias
|
|
|
|
if not is_tmp:
|
|
fix_path(alias, peer or repo, url)
|
|
|
|
marks_path = os.path.join(dirname, 'marks-hg')
|
|
marks = Marks(marks_path, repo)
|
|
|
|
if sys.platform == 'win32':
|
|
import msvcrt
|
|
msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)
|
|
|
|
parser = Parser(repo)
|
|
for line in parser:
|
|
if parser.check('capabilities'):
|
|
do_capabilities(parser)
|
|
elif parser.check('list'):
|
|
do_list(parser)
|
|
elif parser.check('import'):
|
|
do_import(parser)
|
|
elif parser.check('export'):
|
|
do_export(parser)
|
|
else:
|
|
die('unhandled command: %s' % line)
|
|
sys.stdout.flush()
|
|
|
|
def bye():
|
|
if not marks:
|
|
return
|
|
if not is_tmp:
|
|
marks.store()
|
|
else:
|
|
shutil.rmtree(dirname)
|
|
|
|
atexit.register(bye)
|
|
sys.exit(main(sys.argv))
|