Browse Source

Merge branch 'fc/remote-hg'

New remote helper for hg.

* fc/remote-hg: (22 commits)
  remote-hg: fix for older versions of python
  remote-hg: fix for files with spaces
  remote-hg: avoid bad refs
  remote-hg: try the 'tip' if no checkout present
  remote-hg: fix compatibility with older versions of hg
  remote-hg: add missing config for basic tests
  remote-hg: the author email can be null
  remote-hg: add option to not track branches
  remote-hg: add extra author test
  remote-hg: add tests to compare with hg-git
  remote-hg: add bidirectional tests
  test-lib: avoid full path to store test results
  remote-hg: add basic tests
  remote-hg: fake bookmark when there's none
  remote-hg: add compat for hg-git author fixes
  remote-hg: add support for hg-git compat mode
  remote-hg: match hg merge behavior
  remote-hg: make sure the encoding is correct
  remote-hg: add support to push URLs
  remote-hg: add support for remote pushing
  ...
maint
Junio C Hamano 12 years ago
parent
commit
545492f078
  1. 13
      contrib/remote-helpers/Makefile
  2. 794
      contrib/remote-helpers/git-remote-hg
  3. 243
      contrib/remote-helpers/test-hg-bidi.sh
  4. 466
      contrib/remote-helpers/test-hg-hg-git.sh
  5. 121
      contrib/remote-helpers/test-hg.sh
  6. 3
      t/test-lib.sh

13
contrib/remote-helpers/Makefile

@ -0,0 +1,13 @@ @@ -0,0 +1,13 @@
TESTS := $(wildcard test*.sh)

export T := $(addprefix $(CURDIR)/,$(TESTS))
export MAKE := $(MAKE) -e
export PATH := $(CURDIR):$(PATH)

test:
$(MAKE) -C ../../t $@

$(TESTS):
$(MAKE) -C ../../t $(CURDIR)/$@

.PHONY: $(TESTS)

794
contrib/remote-helpers/git-remote-hg

@ -0,0 +1,794 @@ @@ -0,0 +1,794 @@
#!/usr/bin/env python
#
# Copyright (c) 2012 Felipe Contreras
#

# Inspired by Rocco Rutte's hg-fast-export

# Just copy to your ~/bin, or anywhere in your $PATH.
# Then you can clone with:
# git clone hg::/path/to/mercurial/repo/

from mercurial import hg, ui, bookmarks, context, util, encoding

import re
import sys
import os
import json
import shutil
import subprocess
import urllib

#
# If you want to switch to hg-git compatibility mode:
# git config --global remote-hg.hg-git-compat true
#
# git:
# Sensible defaults for git.
# hg bookmarks are exported as git branches, hg branches are prefixed
# with 'branches/', HEAD is a special case.
#
# hg:
# Emulate hg-git.
# Only hg bookmarks are exported as git branches.
# Commits are modified to preserve hg information and allow biridectionality.
#

NAME_RE = re.compile('^([^<>]+)')
AUTHOR_RE = re.compile('^([^<>]+?)? ?<([^<>]*)>$')
AUTHOR_HG_RE = re.compile('^(.*?) ?<(.*?)(?:>(.+)?)?$')
RAW_AUTHOR_RE = re.compile('^(\w+) (?:(.+)? )?<(.*)> (\d+) ([+-]\d+)')

def die(msg, *args):
sys.stderr.write('ERROR: %s\n' % (msg % args))
sys.exit(1)

def warn(msg, *args):
sys.stderr.write('WARNING: %s\n' % (msg % args))

def gitmode(flags):
return 'l' in flags and '120000' or 'x' in flags and '100755' or '100644'

def gittz(tz):
return '%+03d%02d' % (-tz / 3600, -tz % 3600 / 60)

def hgmode(mode):
m = { '0100755': 'x', '0120000': 'l' }
return m.get(mode, '')

def get_config(config):
cmd = ['git', 'config', '--get', config]
process = subprocess.Popen(cmd, stdout=subprocess.PIPE)
output, _ = process.communicate()
return output

class Marks:

def __init__(self, path):
self.path = path
self.tips = {}
self.marks = {}
self.rev_marks = {}
self.last_mark = 0

self.load()

def load(self):
if not os.path.exists(self.path):
return

tmp = json.load(open(self.path))

self.tips = tmp['tips']
self.marks = tmp['marks']
self.last_mark = tmp['last-mark']

for rev, mark in self.marks.iteritems():
self.rev_marks[mark] = int(rev)

def dict(self):
return { 'tips': self.tips, 'marks': self.marks, 'last-mark' : self.last_mark }

def store(self):
json.dump(self.dict(), open(self.path, 'w'))

def __str__(self):
return str(self.dict())

def from_rev(self, rev):
return self.marks[str(rev)]

def to_rev(self, mark):
return self.rev_marks[mark]

def get_mark(self, rev):
self.last_mark += 1
self.marks[str(rev)] = self.last_mark
return self.last_mark

def new_mark(self, rev, mark):
self.marks[str(rev)] = mark
self.rev_marks[mark] = rev
self.last_mark = mark

def is_marked(self, rev):
return self.marks.has_key(str(rev))

def get_tip(self, branch):
return self.tips.get(branch, 0)

def set_tip(self, branch, tip):
self.tips[branch] = tip

class Parser:

def __init__(self, repo):
self.repo = repo
self.line = self.get_line()

def get_line(self):
return sys.stdin.readline().strip()

def __getitem__(self, i):
return self.line.split()[i]

def check(self, word):
return self.line.startswith(word)

def each_block(self, separator):
while self.line != separator:
yield self.line
self.line = self.get_line()

def __iter__(self):
return self.each_block('')

def next(self):
self.line = self.get_line()
if self.line == 'done':
self.line = None

def get_mark(self):
i = self.line.index(':') + 1
return int(self.line[i:])

def get_data(self):
if not self.check('data'):
return None
i = self.line.index(' ') + 1
size = int(self.line[i:])
return sys.stdin.read(size)

def get_author(self):
global bad_mail

ex = None
m = RAW_AUTHOR_RE.match(self.line)
if not m:
return None
_, name, email, date, tz = m.groups()
if name and 'ext:' in name:
m = re.match('^(.+?) ext:\((.+)\)$', name)
if m:
name = m.group(1)
ex = urllib.unquote(m.group(2))

if email != bad_mail:
if name:
user = '%s <%s>' % (name, email)
else:
user = '<%s>' % (email)
else:
user = name

if ex:
user += ex

tz = int(tz)
tz = ((tz / 100) * 3600) + ((tz % 100) * 60)
return (user, int(date), -tz)

def export_file(fc):
d = fc.data()
print "M %s inline %s" % (gitmode(fc.flags()), fc.path())
print "data %d" % len(d)
print d

def get_filechanges(repo, ctx, parent):
modified = set()
added = set()
removed = set()

cur = ctx.manifest()
prev = repo[parent].manifest().copy()

for fn in cur:
if fn in prev:
if (cur.flags(fn) != prev.flags(fn) or cur[fn] != prev[fn]):
modified.add(fn)
del prev[fn]
else:
added.add(fn)
removed |= set(prev.keys())

return added | modified, removed

def fixup_user_git(user):
name = mail = None
user = user.replace('"', '')
m = AUTHOR_RE.match(user)
if m:
name = m.group(1)
mail = m.group(2).strip()
else:
m = NAME_RE.match(user)
if m:
name = m.group(1).strip()
return (name, mail)

def fixup_user_hg(user):
def sanitize(name):
# stole this from hg-git
return re.sub('[<>\n]', '?', name.lstrip('< ').rstrip('> '))

m = AUTHOR_HG_RE.match(user)
if m:
name = sanitize(m.group(1))
mail = sanitize(m.group(2))
ex = m.group(3)
if ex:
name += ' ext:(' + urllib.quote(ex) + ')'
else:
name = sanitize(user)
if '@' in user:
mail = name
else:
mail = None

return (name, mail)

def fixup_user(user):
global mode, bad_mail

if mode == 'git':
name, mail = fixup_user_git(user)
else:
name, mail = fixup_user_hg(user)

if not name:
name = bad_name
if not mail:
mail = bad_mail

return '%s <%s>' % (name, mail)

def get_repo(url, alias):
global dirname, peer

myui = ui.ui()
myui.setconfig('ui', 'interactive', 'off')

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)
repo = dstpeer.local()
else:
repo = hg.repository(myui, local_path)
peer = hg.peer(myui, {}, url)
repo.pull(peer, heads=None, force=True)

return repo

def rev_to_mark(rev):
global marks
return marks.from_rev(rev)

def mark_to_rev(mark):
global marks
return marks.to_rev(mark)

def export_ref(repo, name, kind, head):
global prefix, marks, mode

ename = '%s/%s' % (kind, name)
tip = marks.get_tip(ename)

# mercurial takes too much time checking this
if tip and tip == head.rev():
# nothing to do
return
revs = xrange(tip, head.rev() + 1)
count = 0

revs = [rev for rev in revs if not marks.is_marked(rev)]

for rev in revs:

c = repo[rev]
(manifest, user, (time, tz), files, desc, extra) = repo.changelog.read(c.node())
rev_branch = extra['branch']

author = "%s %d %s" % (fixup_user(user), time, gittz(tz))
if 'committer' in extra:
user, time, tz = extra['committer'].rsplit(' ', 2)
committer = "%s %s %s" % (user, time, gittz(int(tz)))
else:
committer = author

parents = [p for p in repo.changelog.parentrevs(rev) if p >= 0]

if len(parents) == 0:
modified = c.manifest().keys()
removed = []
else:
modified, removed = get_filechanges(repo, c, parents[0])

if mode == 'hg':
extra_msg = ''

if rev_branch != 'default':
extra_msg += 'branch : %s\n' % rev_branch

renames = []
for f in c.files():
if f not in c.manifest():
continue
rename = c.filectx(f).renamed()
if rename:
renames.append((rename[0], f))

for e in renames:
extra_msg += "rename : %s => %s\n" % e

for key, value in extra.iteritems():
if key in ('author', 'committer', 'encoding', 'message', 'branch', 'hg-git'):
continue
else:
extra_msg += "extra : %s : %s\n" % (key, urllib.quote(value))

desc += '\n'
if extra_msg:
desc += '\n--HG--\n' + extra_msg

if len(parents) == 0 and rev:
print 'reset %s/%s' % (prefix, ename)

print "commit %s/%s" % (prefix, ename)
print "mark :%d" % (marks.get_mark(rev))
print "author %s" % (author)
print "committer %s" % (committer)
print "data %d" % (len(desc))
print desc

if len(parents) > 0:
print "from :%s" % (rev_to_mark(parents[0]))
if len(parents) > 1:
print "merge :%s" % (rev_to_mark(parents[1]))

for f in modified:
export_file(c.filectx(f))
for f in removed:
print "D %s" % (f)
print

count += 1
if (count % 100 == 0):
print "progress revision %d '%s' (%d/%d)" % (rev, name, count, len(revs))
print "#############################################################"

# make sure the ref is updated
print "reset %s/%s" % (prefix, ename)
print "from :%u" % rev_to_mark(rev)
print

marks.set_tip(ename, rev)

def export_tag(repo, tag):
export_ref(repo, tag, 'tags', repo[tag])

def export_bookmark(repo, bmark):
head = bmarks[bmark]
export_ref(repo, bmark, 'bookmarks', head)

def export_branch(repo, branch):
tip = get_branch_tip(repo, branch)
head = repo[tip]
export_ref(repo, branch, 'branches', head)

def export_head(repo):
global g_head
export_ref(repo, g_head[0], 'bookmarks', g_head[1])

def do_capabilities(parser):
global prefix, dirname

print "import"
print "export"
print "refspec refs/heads/branches/*:%s/branches/*" % prefix
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 get_branch_tip(repo, branch):
global branches

heads = branches.get(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)
# older versions of mercurial don't have this
if hasattr(repo, "branchtip"):
return repo.branchtip(branch)

return heads[0]

def list_head(repo, cur):
global g_head, bmarks

head = bookmarks.readcurrent(repo)
if head:
node = repo[head]
else:
# fake bookmark from current branch
head = cur
node = repo['.']
if not node:
node = repo['tip']
if not node:
return
if head == 'default':
head = 'master'
bmarks[head] = node

print "@refs/heads/%s HEAD" % head
g_head = (head, node)

def do_list(parser):
global branches, bmarks, mode, track_branches

repo = parser.repo
for bmark, node in bookmarks.listbookmarks(repo).iteritems():
bmarks[bmark] = repo[node]

cur = repo.dirstate.branch()

list_head(repo, cur)

if track_branches:
for branch in repo.branchmap():
heads = repo.branchheads(branch)
if len(heads):
branches[branch] = heads

for branch in branches:
print "? refs/heads/branches/%s" % branch

for bmark in bmarks:
print "? refs/heads/%s" % bmark

for tag, node in repo.tagslist():
if tag == 'tip':
continue
print "? refs/tags/%s" % 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
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()
return

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, bmarks, 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')

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(' ')
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 = repo.changelog.node(mark_to_rev(from_mark))
else:
p1 = '\0' * 20

if merge_mark:
p2 = repo.changelog.node(mark_to_rev(merge_mark))
else:
p2 = '\0' * 20

#
# 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)

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')]:
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 = repo.commitctx(ctx)

encoding.encoding = tmp

rev = repo[node].rev()

parsed_refs[ref] = node

marks.new_mark(rev, commit_mark)

def parse_reset(parser):
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()

node = parser.repo.changelog.node(mark_to_rev(from_mark))
parsed_refs[ref] = node

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()

# nothing to do

def do_export(parser):
global parsed_refs, bmarks, peer

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)

for ref, node in parsed_refs.iteritems():
if ref.startswith('refs/heads/branches'):
pass
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
elif ref.startswith('refs/tags/'):
tag = ref[len('refs/tags/'):]
parser.repo.tag([tag], node, None, True, None, {})
else:
# transport-helper/fast-export bugs
continue
print "ok %s" % ref

print

if peer:
parser.repo.push(peer, force=False)

def main(args):
global prefix, dirname, branches, bmarks
global marks, blob_marks, parsed_refs
global peer, mode, bad_mail, bad_name
global track_branches

alias = args[1]
url = args[2]
peer = None

hg_git_compat = False
track_branches = 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
except subprocess.CalledProcessError:
pass

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 = util.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 = {}

repo = get_repo(url, alias)
prefix = 'refs/hg/%s' % alias

if not os.path.exists(dirname):
os.makedirs(dirname)

marks_path = os.path.join(dirname, 'marks-hg')
marks = Marks(marks_path)

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()

if not is_tmp:
marks.store()
else:
shutil.rmtree(dirname)

sys.exit(main(sys.argv))

243
contrib/remote-helpers/test-hg-bidi.sh

@ -0,0 +1,243 @@ @@ -0,0 +1,243 @@
#!/bin/sh
#
# Copyright (c) 2012 Felipe Contreras
#
# Base commands from hg-git tests:
# https://bitbucket.org/durin42/hg-git/src
#

test_description='Test biridectionality of remote-hg'

. ./test-lib.sh

if ! test_have_prereq PYTHON; then
skip_all='skipping remote-hg tests; python not available'
test_done
fi

if ! "$PYTHON_PATH" -c 'import mercurial'; then
skip_all='skipping remote-hg tests; mercurial not available'
test_done
fi

# clone to a git repo
git_clone () {
hg -R $1 bookmark -f -r tip master &&
git clone -q "hg::$PWD/$1" $2
}

# clone to an hg repo
hg_clone () {
(
hg init $2 &&
cd $1 &&
git push -q "hg::$PWD/../$2" 'refs/tags/*:refs/tags/*' 'refs/heads/*:refs/heads/*'
) &&

(cd $2 && hg -q update)
}

# push an hg repo
hg_push () {
(
cd $2
old=$(git symbolic-ref --short HEAD)
git checkout -q -b tmp &&
git fetch -q "hg::$PWD/../$1" 'refs/tags/*:refs/tags/*' 'refs/heads/*:refs/heads/*' &&
git checkout -q $old &&
git branch -q -D tmp 2> /dev/null || true
)
}

hg_log () {
hg -R $1 log --graph --debug | grep -v 'tag: *default/'
}

setup () {
(
echo "[ui]"
echo "username = A U Thor <author@example.com>"
echo "[defaults]"
echo "backout = -d \"0 0\""
echo "commit = -d \"0 0\""
echo "debugrawcommit = -d \"0 0\""
echo "tag = -d \"0 0\""
) >> "$HOME"/.hgrc &&
git config --global remote-hg.hg-git-compat true

export HGEDITOR=/usr/bin/true

export GIT_AUTHOR_DATE="2007-01-01 00:00:00 +0230"
export GIT_COMMITTER_DATE="$GIT_AUTHOR_DATE"
}

setup

test_expect_success 'encoding' '
mkdir -p tmp && cd tmp &&
test_when_finished "cd .. && rm -rf tmp" &&

(
git init -q gitrepo &&
cd gitrepo &&

echo alpha > alpha &&
git add alpha &&
git commit -m "add älphà" &&

export GIT_AUTHOR_NAME="tést èncödîng" &&
echo beta > beta &&
git add beta &&
git commit -m "add beta" &&

echo gamma > gamma &&
git add gamma &&
git commit -m "add gämmâ" &&

: TODO git config i18n.commitencoding latin-1 &&
echo delta > delta &&
git add delta &&
git commit -m "add déltà"
) &&

hg_clone gitrepo hgrepo &&
git_clone hgrepo gitrepo2 &&
hg_clone gitrepo2 hgrepo2 &&

HGENCODING=utf-8 hg_log hgrepo > expected &&
HGENCODING=utf-8 hg_log hgrepo2 > actual &&

test_cmp expected actual
'

test_expect_success 'file removal' '
mkdir -p tmp && cd tmp &&
test_when_finished "cd .. && rm -rf tmp" &&

(
git init -q gitrepo &&
cd gitrepo &&
echo alpha > alpha &&
git add alpha &&
git commit -m "add alpha" &&
echo beta > beta &&
git add beta &&
git commit -m "add beta"
mkdir foo &&
echo blah > foo/bar &&
git add foo &&
git commit -m "add foo" &&
git rm alpha &&
git commit -m "remove alpha" &&
git rm foo/bar &&
git commit -m "remove foo/bar"
) &&

hg_clone gitrepo hgrepo &&
git_clone hgrepo gitrepo2 &&
hg_clone gitrepo2 hgrepo2 &&

hg_log hgrepo > expected &&
hg_log hgrepo2 > actual &&

test_cmp expected actual
'

test_expect_success 'git tags' '
mkdir -p tmp && cd tmp &&
test_when_finished "cd .. && rm -rf tmp" &&

(
git init -q gitrepo &&
cd gitrepo &&
git config receive.denyCurrentBranch ignore &&
echo alpha > alpha &&
git add alpha &&
git commit -m "add alpha" &&
git tag alpha &&

echo beta > beta &&
git add beta &&
git commit -m "add beta" &&
git tag -a -m "added tag beta" beta
) &&

hg_clone gitrepo hgrepo &&
git_clone hgrepo gitrepo2 &&
hg_clone gitrepo2 hgrepo2 &&

hg_log hgrepo > expected &&
hg_log hgrepo2 > actual &&

test_cmp expected actual
'

test_expect_success 'hg branch' '
mkdir -p tmp && cd tmp &&
test_when_finished "cd .. && rm -rf tmp" &&

(
git init -q gitrepo &&
cd gitrepo &&

echo alpha > alpha &&
git add alpha &&
git commit -q -m "add alpha" &&
git checkout -q -b not-master
) &&

(
hg_clone gitrepo hgrepo &&

cd hgrepo &&
hg -q co master &&
hg mv alpha beta &&
hg -q commit -m "rename alpha to beta" &&
hg branch gamma | grep -v "permanent and global" &&
hg -q commit -m "started branch gamma"
) &&

hg_push hgrepo gitrepo &&
hg_clone gitrepo hgrepo2 &&

: TODO, avoid "master" bookmark &&
(cd hgrepo2 && hg checkout gamma) &&

hg_log hgrepo > expected &&
hg_log hgrepo2 > actual &&

test_cmp expected actual
'

test_expect_success 'hg tags' '
mkdir -p tmp && cd tmp &&
test_when_finished "cd .. && rm -rf tmp" &&

(
git init -q gitrepo &&
cd gitrepo &&

echo alpha > alpha &&
git add alpha &&
git commit -m "add alpha" &&
git checkout -q -b not-master
) &&

(
hg_clone gitrepo hgrepo &&

cd hgrepo &&
hg co master &&
hg tag alpha
) &&

hg_push hgrepo gitrepo &&
hg_clone gitrepo hgrepo2 &&

hg_log hgrepo > expected &&
hg_log hgrepo2 > actual &&

test_cmp expected actual
'

test_done

466
contrib/remote-helpers/test-hg-hg-git.sh

@ -0,0 +1,466 @@ @@ -0,0 +1,466 @@
#!/bin/sh
#
# Copyright (c) 2012 Felipe Contreras
#
# Base commands from hg-git tests:
# https://bitbucket.org/durin42/hg-git/src
#

test_description='Test remote-hg output compared to hg-git'

. ./test-lib.sh

if ! test_have_prereq PYTHON; then
skip_all='skipping remote-hg tests; python not available'
test_done
fi

if ! "$PYTHON_PATH" -c 'import mercurial'; then
skip_all='skipping remote-hg tests; mercurial not available'
test_done
fi

if ! "$PYTHON_PATH" -c 'import hggit'; then
skip_all='skipping remote-hg tests; hg-git not available'
test_done
fi

# clone to a git repo with git
git_clone_git () {
hg -R $1 bookmark -f -r tip master &&
git clone -q "hg::$PWD/$1" $2
}

# clone to an hg repo with git
hg_clone_git () {
(
hg init $2 &&
cd $1 &&
git push -q "hg::$PWD/../$2" 'refs/tags/*:refs/tags/*' 'refs/heads/*:refs/heads/*'
) &&

(cd $2 && hg -q update)
}

# clone to a git repo with hg
git_clone_hg () {
(
git init -q $2 &&
cd $1 &&
hg bookmark -f -r tip master &&
hg -q push -r master ../$2 || true
)
}

# clone to an hg repo with hg
hg_clone_hg () {
hg -q clone $1 $2
}

# push an hg repo with git
hg_push_git () {
(
cd $2
old=$(git symbolic-ref --short HEAD)
git checkout -q -b tmp &&
git fetch -q "hg::$PWD/../$1" 'refs/tags/*:refs/tags/*' 'refs/heads/*:refs/heads/*' &&
git checkout -q $old &&
git branch -q -D tmp 2> /dev/null || true
)
}

# push an hg git repo with hg
hg_push_hg () {
(
cd $1 &&
hg -q push ../$2 || true
)
}

hg_log () {
hg -R $1 log --graph --debug | grep -v 'tag: *default/'
}

git_log () {
git --git-dir=$1/.git fast-export --branches
}

setup () {
(
echo "[ui]"
echo "username = A U Thor <author@example.com>"
echo "[defaults]"
echo "backout = -d \"0 0\""
echo "commit = -d \"0 0\""
echo "debugrawcommit = -d \"0 0\""
echo "tag = -d \"0 0\""
echo "[extensions]"
echo "hgext.bookmarks ="
echo "hggit ="
) >> "$HOME"/.hgrc &&
git config --global receive.denycurrentbranch warn
git config --global remote-hg.hg-git-compat true

export HGEDITOR=/usr/bin/true

export GIT_AUTHOR_DATE="2007-01-01 00:00:00 +0230"
export GIT_COMMITTER_DATE="$GIT_AUTHOR_DATE"
}

setup

test_expect_success 'merge conflict 1' '
mkdir -p tmp && cd tmp &&
test_when_finished "cd .. && rm -rf tmp" &&

(
hg init hgrepo1 &&
cd hgrepo1 &&
echo A > afile &&
hg add afile &&
hg ci -m "origin" &&

echo B > afile &&
hg ci -m "A->B" &&

hg up -r0 &&
echo C > afile &&
hg ci -m "A->C" &&

hg merge -r1 || true &&
echo C > afile &&
hg resolve -m afile &&
hg ci -m "merge to C"
) &&

for x in hg git; do
git_clone_$x hgrepo1 gitrepo-$x &&
hg_clone_$x gitrepo-$x hgrepo2-$x &&
hg_log hgrepo2-$x > hg-log-$x &&
git_log gitrepo-$x > git-log-$x
done &&

test_cmp hg-log-hg hg-log-git &&
test_cmp git-log-hg git-log-git
'

test_expect_success 'merge conflict 2' '
mkdir -p tmp && cd tmp &&
test_when_finished "cd .. && rm -rf tmp" &&

(
hg init hgrepo1 &&
cd hgrepo1 &&
echo A > afile &&
hg add afile &&
hg ci -m "origin" &&

echo B > afile &&
hg ci -m "A->B" &&

hg up -r0 &&
echo C > afile &&
hg ci -m "A->C" &&

hg merge -r1 || true &&
echo B > afile &&
hg resolve -m afile &&
hg ci -m "merge to B"
) &&

for x in hg git; do
git_clone_$x hgrepo1 gitrepo-$x &&
hg_clone_$x gitrepo-$x hgrepo2-$x &&
hg_log hgrepo2-$x > hg-log-$x &&
git_log gitrepo-$x > git-log-$x
done &&

test_cmp hg-log-hg hg-log-git &&
test_cmp git-log-hg git-log-git
'

test_expect_success 'converged merge' '
mkdir -p tmp && cd tmp &&
test_when_finished "cd .. && rm -rf tmp" &&

(
hg init hgrepo1 &&
cd hgrepo1 &&
echo A > afile &&
hg add afile &&
hg ci -m "origin" &&

echo B > afile &&
hg ci -m "A->B" &&

echo C > afile &&
hg ci -m "B->C" &&

hg up -r0 &&
echo C > afile &&
hg ci -m "A->C" &&

hg merge -r2 || true &&
hg ci -m "merge"
) &&

for x in hg git; do
git_clone_$x hgrepo1 gitrepo-$x &&
hg_clone_$x gitrepo-$x hgrepo2-$x &&
hg_log hgrepo2-$x > hg-log-$x &&
git_log gitrepo-$x > git-log-$x
done &&

test_cmp hg-log-hg hg-log-git &&
test_cmp git-log-hg git-log-git
'

test_expect_success 'encoding' '
mkdir -p tmp && cd tmp &&
test_when_finished "cd .. && rm -rf tmp" &&

(
git init -q gitrepo &&
cd gitrepo &&

echo alpha > alpha &&
git add alpha &&
git commit -m "add älphà" &&

export GIT_AUTHOR_NAME="tést èncödîng" &&
echo beta > beta &&
git add beta &&
git commit -m "add beta" &&

echo gamma > gamma &&
git add gamma &&
git commit -m "add gämmâ" &&

: TODO git config i18n.commitencoding latin-1 &&
echo delta > delta &&
git add delta &&
git commit -m "add déltà"
) &&

for x in hg git; do
hg_clone_$x gitrepo hgrepo-$x &&
git_clone_$x hgrepo-$x gitrepo2-$x &&

HGENCODING=utf-8 hg_log hgrepo-$x > hg-log-$x &&
git_log gitrepo2-$x > git-log-$x
done &&

test_cmp hg-log-hg hg-log-git &&
test_cmp git-log-hg git-log-git
'

test_expect_success 'file removal' '
mkdir -p tmp && cd tmp &&
test_when_finished "cd .. && rm -rf tmp" &&

(
git init -q gitrepo &&
cd gitrepo &&
echo alpha > alpha &&
git add alpha &&
git commit -m "add alpha" &&
echo beta > beta &&
git add beta &&
git commit -m "add beta"
mkdir foo &&
echo blah > foo/bar &&
git add foo &&
git commit -m "add foo" &&
git rm alpha &&
git commit -m "remove alpha" &&
git rm foo/bar &&
git commit -m "remove foo/bar"
) &&

for x in hg git; do
(
hg_clone_$x gitrepo hgrepo-$x &&
cd hgrepo-$x &&
hg_log . &&
hg manifest -r 3 &&
hg manifest
) > output-$x &&

git_clone_$x hgrepo-$x gitrepo2-$x &&
git_log gitrepo2-$x > log-$x
done &&

test_cmp output-hg output-git &&
test_cmp log-hg log-git
'

test_expect_success 'git tags' '
mkdir -p tmp && cd tmp &&
test_when_finished "cd .. && rm -rf tmp" &&

(
git init -q gitrepo &&
cd gitrepo &&
git config receive.denyCurrentBranch ignore &&
echo alpha > alpha &&
git add alpha &&
git commit -m "add alpha" &&
git tag alpha &&

echo beta > beta &&
git add beta &&
git commit -m "add beta" &&
git tag -a -m "added tag beta" beta
) &&

for x in hg git; do
hg_clone_$x gitrepo hgrepo-$x &&
hg_log hgrepo-$x > log-$x
done &&

test_cmp log-hg log-git
'

test_expect_success 'hg author' '
mkdir -p tmp && cd tmp &&
test_when_finished "cd .. && rm -rf tmp" &&

for x in hg git; do
(
git init -q gitrepo-$x &&
cd gitrepo-$x &&

echo alpha > alpha &&
git add alpha &&
git commit -m "add alpha" &&
git checkout -q -b not-master
) &&

(
hg_clone_$x gitrepo-$x hgrepo-$x &&
cd hgrepo-$x &&

hg co master &&
echo beta > beta &&
hg add beta &&
hg commit -u "test" -m "add beta" &&

echo gamma >> beta &&
hg commit -u "test <test@example.com> (comment)" -m "modify beta" &&

echo gamma > gamma &&
hg add gamma &&
hg commit -u "<test@example.com>" -m "add gamma" &&

echo delta > delta &&
hg add delta &&
hg commit -u "name<test@example.com>" -m "add delta" &&

echo epsilon > epsilon &&
hg add epsilon &&
hg commit -u "name <test@example.com" -m "add epsilon" &&

echo zeta > zeta &&
hg add zeta &&
hg commit -u " test " -m "add zeta" &&

echo eta > eta &&
hg add eta &&
hg commit -u "test < test@example.com >" -m "add eta" &&

echo theta > theta &&
hg add theta &&
hg commit -u "test >test@example.com>" -m "add theta" &&

echo iota > iota &&
hg add iota &&
hg commit -u "test <test <at> example <dot> com>" -m "add iota"
) &&

hg_push_$x hgrepo-$x gitrepo-$x &&
hg_clone_$x gitrepo-$x hgrepo2-$x &&

hg_log hgrepo2-$x > hg-log-$x &&
git_log gitrepo-$x > git-log-$x
done &&

test_cmp git-log-hg git-log-git &&

test_cmp hg-log-hg hg-log-git &&
test_cmp git-log-hg git-log-git
'

test_expect_success 'hg branch' '
mkdir -p tmp && cd tmp &&
test_when_finished "cd .. && rm -rf tmp" &&

for x in hg git; do
(
git init -q gitrepo-$x &&
cd gitrepo-$x &&

echo alpha > alpha &&
git add alpha &&
git commit -q -m "add alpha" &&
git checkout -q -b not-master
) &&

(
hg_clone_$x gitrepo-$x hgrepo-$x &&

cd hgrepo-$x &&
hg -q co master &&
hg mv alpha beta &&
hg -q commit -m "rename alpha to beta" &&
hg branch gamma | grep -v "permanent and global" &&
hg -q commit -m "started branch gamma"
) &&

hg_push_$x hgrepo-$x gitrepo-$x &&
hg_clone_$x gitrepo-$x hgrepo2-$x &&

hg_log hgrepo2-$x > hg-log-$x &&
git_log gitrepo-$x > git-log-$x
done &&

test_cmp hg-log-hg hg-log-git &&
test_cmp git-log-hg git-log-git
'

test_expect_success 'hg tags' '
mkdir -p tmp && cd tmp &&
test_when_finished "cd .. && rm -rf tmp" &&

for x in hg git; do
(
git init -q gitrepo-$x &&
cd gitrepo-$x &&

echo alpha > alpha &&
git add alpha &&
git commit -m "add alpha" &&
git checkout -q -b not-master
) &&

(
hg_clone_$x gitrepo-$x hgrepo-$x &&

cd hgrepo-$x &&
hg co master &&
hg tag alpha
) &&

hg_push_$x hgrepo-$x gitrepo-$x &&
hg_clone_$x gitrepo-$x hgrepo2-$x &&

(
git --git-dir=gitrepo-$x/.git tag -l &&
hg_log hgrepo2-$x &&
cat hgrepo2-$x/.hgtags
) > output-$x
done &&

test_cmp output-hg output-git
'

test_done

121
contrib/remote-helpers/test-hg.sh

@ -0,0 +1,121 @@ @@ -0,0 +1,121 @@
#!/bin/sh
#
# Copyright (c) 2012 Felipe Contreras
#
# Base commands from hg-git tests:
# https://bitbucket.org/durin42/hg-git/src
#

test_description='Test remote-hg'

. ./test-lib.sh

if ! test_have_prereq PYTHON; then
skip_all='skipping remote-hg tests; python not available'
test_done
fi

if ! "$PYTHON_PATH" -c 'import mercurial'; then
skip_all='skipping remote-hg tests; mercurial not available'
test_done
fi

check () {
(cd $1 &&
git log --format='%s' -1 &&
git symbolic-ref HEAD) > actual &&
(echo $2 &&
echo "refs/heads/$3") > expected &&
test_cmp expected actual
}

setup () {
(
echo "[ui]"
echo "username = H G Wells <wells@example.com>"
) >> "$HOME"/.hgrc
}

setup

test_expect_success 'cloning' '
test_when_finished "rm -rf gitrepo*" &&

(
hg init hgrepo &&
cd hgrepo &&
echo zero > content &&
hg add content &&
hg commit -m zero
) &&

git clone "hg::$PWD/hgrepo" gitrepo &&
check gitrepo zero master
'

test_expect_success 'cloning with branches' '
test_when_finished "rm -rf gitrepo*" &&

(
cd hgrepo &&
hg branch next &&
echo next > content &&
hg commit -m next
) &&

git clone "hg::$PWD/hgrepo" gitrepo &&
check gitrepo next next &&

(cd hgrepo && hg checkout default) &&

git clone "hg::$PWD/hgrepo" gitrepo2 &&
check gitrepo2 zero master
'

test_expect_success 'cloning with bookmarks' '
test_when_finished "rm -rf gitrepo*" &&

(
cd hgrepo &&
hg bookmark feature-a &&
echo feature-a > content &&
hg commit -m feature-a
) &&

git clone "hg::$PWD/hgrepo" gitrepo &&
check gitrepo feature-a feature-a
'

test_expect_success 'cloning with detached head' '
test_when_finished "rm -rf gitrepo*" &&

(
cd hgrepo &&
hg update -r 0
) &&

git clone "hg::$PWD/hgrepo" gitrepo &&
check gitrepo zero master
'

test_expect_success 'update bookmark' '
test_when_finished "rm -rf gitrepo*" &&

(
cd hgrepo &&
hg bookmark devel
) &&

(
git clone "hg::$PWD/hgrepo" gitrepo &&
cd gitrepo &&
git checkout devel &&
echo devel > content &&
git commit -a -m devel &&
git push
) &&

hg -R hgrepo bookmarks | grep "devel\s\+3:"
'

test_done

3
t/test-lib.sh

@ -389,7 +389,8 @@ test_done () { @@ -389,7 +389,8 @@ test_done () {
then
test_results_dir="$TEST_OUTPUT_DIRECTORY/test-results"
mkdir -p "$test_results_dir"
test_results_path="$test_results_dir/${0%.sh}-$$.counts"
base=${0##*/}
test_results_path="$test_results_dir/${base%.sh}-$$.counts"

cat >>"$test_results_path" <<-EOF
total $test_count

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