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-rwxr-xr-xcontrib/remote-helpers/git-remote-hg125
1 files changed, 102 insertions, 23 deletions
diff --git a/contrib/remote-helpers/git-remote-hg b/contrib/remote-helpers/git-remote-hg
index 328c2dc76d..548133121d 100755
--- a/contrib/remote-helpers/git-remote-hg
+++ b/contrib/remote-helpers/git-remote-hg
@@ -8,8 +8,11 @@
# Just copy to your ~/bin, or anywhere in your $PATH.
# Then you can clone with:
# git clone hg::/path/to/mercurial/repo/
+#
+# For remote repositories a local clone is stored in
+# "$GIT_DIR/hg/origin/clone/.hg/".
-from mercurial import hg, ui, bookmarks, context, util, encoding
+from mercurial import hg, ui, bookmarks, context, util, encoding, node, error
import re
import sys
@@ -18,11 +21,22 @@ import json
import shutil
import subprocess
import urllib
+import atexit
#
# If you want to switch to hg-git compatibility mode:
# git config --global remote-hg.hg-git-compat true
#
+# If you are not in hg-git-compat mode and want to disable the tracking of
+# named branches:
+# git config --global remote-hg.track-branches false
+#
+# If you don't want to force pushes (and thus risk creating new remote heads):
+# git config --global remote-hg.force-push false
+#
+# If you want the equivalent of hg's clone/pull--insecure option:
+# git config remote-hg.insecure true
+#
# git:
# Sensible defaults for git.
# hg bookmarks are exported as git branches, hg branches are prefixed
@@ -56,6 +70,9 @@ def hgmode(mode):
m = { '100755': 'x', '120000': 'l' }
return m.get(mode, '')
+def hghex(node):
+ return hg.node.hex(node)
+
def get_config(config):
cmd = ['git', 'config', '--get', config]
process = subprocess.Popen(cmd, stdout=subprocess.PIPE)
@@ -188,9 +205,15 @@ class Parser:
tz = ((tz / 100) * 3600) + ((tz % 100) * 60)
return (user, int(date), -tz)
+def fix_file_path(path):
+ if not os.path.isabs(path):
+ return path
+ return os.path.relpath(path, '/')
+
def export_file(fc):
d = fc.data()
- print "M %s inline %s" % (gitmode(fc.flags()), fc.path())
+ path = fix_file_path(fc.path())
+ print "M %s inline %s" % (gitmode(fc.flags()), path)
print "data %d" % len(d)
print d
@@ -267,17 +290,30 @@ def get_repo(url, alias):
myui = ui.ui()
myui.setconfig('ui', 'interactive', 'off')
+ myui.fout = sys.stderr
+
+ try:
+ if get_config('remote-hg.insecure') == 'true\n':
+ myui.setconfig('web', 'cacerts', '')
+ except subprocess.CalledProcessError:
+ pass
if hg.islocal(url):
repo = hg.repository(myui, url)
else:
local_path = os.path.join(dirname, 'clone')
if not os.path.exists(local_path):
- peer, dstpeer = hg.clone(myui, {}, url, local_path, update=False, pull=True)
+ try:
+ peer, dstpeer = hg.clone(myui, {}, url, local_path, update=True, pull=True)
+ except:
+ die('Repository error')
repo = dstpeer.local()
else:
repo = hg.repository(myui, local_path)
- peer = hg.peer(myui, {}, url)
+ try:
+ peer = hg.peer(myui, {}, url)
+ except:
+ die('Repository error')
repo.pull(peer, heads=None, force=True)
return repo
@@ -326,6 +362,8 @@ def export_ref(repo, name, kind, head):
else:
modified, removed = get_filechanges(repo, c, parents[0])
+ desc += '\n'
+
if mode == 'hg':
extra_msg = ''
@@ -349,7 +387,6 @@ def export_ref(repo, name, kind, head):
else:
extra_msg += "extra : %s : %s\n" % (key, urllib.quote(value))
- desc += '\n'
if extra_msg:
desc += '\n--HG--\n' + extra_msg
@@ -371,7 +408,7 @@ def export_ref(repo, name, kind, head):
for f in modified:
export_file(c.filectx(f))
for f in removed:
- print "D %s" % (f)
+ print "D %s" % (fix_file_path(f))
print
count += 1
@@ -531,7 +568,6 @@ def parse_blob(parser):
data = parser.get_data()
blob_marks[mark] = data
parser.next()
- return
def get_merge_files(repo, p1, p2, files):
for e in repo[p1].files():
@@ -542,7 +578,7 @@ def get_merge_files(repo, p1, p2, files):
files[e] = f
def parse_commit(parser):
- global marks, blob_marks, bmarks, parsed_refs
+ global marks, blob_marks, parsed_refs
global mode
from_mark = merge_mark = None
@@ -575,7 +611,7 @@ def parse_commit(parser):
mark = int(mark_ref[1:])
f = { 'mode' : hgmode(m), 'data' : blob_marks[mark] }
elif parser.check('D'):
- t, path = line.split(' ')
+ t, path = line.split(' ', 1)
f = { 'deleted' : True }
else:
die('Unknown file command: %s' % line)
@@ -618,11 +654,15 @@ def parse_commit(parser):
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/'):
+ extra['branch'] = ref[len('refs/heads/branches/'):]
+
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(' : ') for e in tmp.split('\n')]:
+ 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
@@ -647,10 +687,11 @@ def parse_commit(parser):
rev = repo[node].rev()
parsed_refs[ref] = node
-
marks.new_mark(rev, commit_mark)
def parse_reset(parser):
+ global parsed_refs
+
ref = parser[1]
parser.next()
# ugh
@@ -680,6 +721,8 @@ def parse_tag(parser):
def do_export(parser):
global parsed_refs, bmarks, peer
+ p_bmarks = []
+
parser.next()
for line in parser.each_block('done'):
@@ -698,28 +741,55 @@ def do_export(parser):
for ref, node in parsed_refs.iteritems():
if ref.startswith('refs/heads/branches'):
- pass
+ print "ok %s" % ref
elif ref.startswith('refs/heads/'):
bmark = ref[len('refs/heads/'):]
- if bmark in bmarks:
- old = bmarks[bmark].hex()
- else:
- old = ''
- if not bookmarks.pushbookmark(parser.repo, bmark, old, node):
- continue
+ p_bmarks.append((bmark, node))
+ continue
elif ref.startswith('refs/tags/'):
tag = ref[len('refs/tags/'):]
- parser.repo.tag([tag], node, None, True, None, {})
+ if mode == 'git':
+ msg = 'Added tag %s for changeset %s' % (tag, hghex(node[:6]));
+ parser.repo.tag([tag], node, msg, False, None, {})
+ else:
+ parser.repo.tag([tag], node, None, True, None, {})
+ print "ok %s" % ref
else:
# transport-helper/fast-export bugs
continue
+
+ if peer:
+ parser.repo.push(peer, force=force_push)
+
+ # handle bookmarks
+ for bmark, node in p_bmarks:
+ ref = 'refs/heads/' + bmark
+ new = hghex(node)
+
+ if bmark in bmarks:
+ old = bmarks[bmark].hex()
+ else:
+ old = ''
+
+ if bmark == 'master' and 'master' not in parser.repo._bookmarks:
+ # fake bookmark
+ pass
+ elif bookmarks.pushbookmark(parser.repo, bmark, old, new):
+ # updated locally
+ pass
+ else:
+ print "error %s" % ref
+ continue
+
+ if peer:
+ if not peer.pushkey('bookmarks', bmark, old, new):
+ print "error %s" % ref
+ continue
+
print "ok %s" % ref
print
- if peer:
- parser.repo.push(peer, force=False)
-
def fix_path(alias, repo, orig_url):
repo_url = util.url(repo.url())
url = util.url(orig_url)
@@ -732,7 +802,7 @@ def main(args):
global prefix, dirname, branches, bmarks
global marks, blob_marks, parsed_refs
global peer, mode, bad_mail, bad_name
- global track_branches
+ global track_branches, force_push, is_tmp
alias = args[1]
url = args[2]
@@ -740,12 +810,16 @@ def main(args):
hg_git_compat = False
track_branches = True
+ force_push = True
+
try:
if get_config('remote-hg.hg-git-compat') == 'true\n':
hg_git_compat = True
track_branches = False
if get_config('remote-hg.track-branches') == 'false\n':
track_branches = False
+ if get_config('remote-hg.force-push') == 'false\n':
+ force_push = False
except subprocess.CalledProcessError:
pass
@@ -770,6 +844,7 @@ def main(args):
bmarks = {}
blob_marks = {}
parsed_refs = {}
+ marks = None
repo = get_repo(url, alias)
prefix = 'refs/hg/%s' % alias
@@ -797,9 +872,13 @@ def main(args):
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))