Merge branch 'fc/remote-hg'

* fc/remote-hg: (50 commits)
  remote-hg: add support for --force
  remote-hg: add support for --dry-run
  remote-hg: check if a fetch is needed
  remote-hg: trivial cleanup
  remote-helpers: improve marks usage
  remote-hg: add check_push() helper
  remote-hg: add setup_big_push() helper
  remote-hg: remove files before modifications
  remote-hg: improve lightweight tag author
  remote-hg: use remote 'default' not local one
  remote-hg: improve branch listing
  remote-hg: simplify branch_tip()
  remote-hg: check diverged bookmarks
  remote-hg: pass around revision refs
  remote-hg: implement custom checkheads()
  remote-hg: implement custom push()
  remote-hg: only update necessary revisions
  remote-hg: force remote bookmark push selectively
  remote-hg: reorganize bookmark handling
  remote-hg: add test for failed double push
  ...

6 files changed, 1300 insertions, 522 deletions

diff --git a/contrib/remote-helpers/git-remote-bzr b/contrib/remote-helpers/git-remote-bzr
index 10300c63d1..f0e5be1d24 100755
--- a/contrib/remote-helpers/git-remote-bzr
+++ b/contrib/remote-helpers/git-remote-bzr
@@ -116,7 +116,10 @@ class Marks:
         self.last_mark = mark
 
     def get_tip(self, branch):
-        return self.tips.get(branch, None)
+        try:
+            return str(self.tips[branch])
+        except KeyError:
+            return None
 
     def set_tip(self, branch, tip):
         self.tips[branch] = tip
diff --git a/contrib/remote-helpers/git-remote-hg b/contrib/remote-helpers/git-remote-hg
index 1dd3d7030e..0194c67fb1 100755
--- a/contrib/remote-helpers/git-remote-hg
+++ b/contrib/remote-helpers/git-remote-hg
@@ -12,7 +12,7 @@
 # For remote repositories a local clone is stored in
 # "$GIT_DIR/hg/origin/clone/.hg/".
 
-from mercurial import hg, ui, bookmarks, context, encoding, node, error, extensions
+from mercurial import hg, ui, bookmarks, context, encoding, node, error, extensions, discovery, util
 
 import re
 import sys
@@ -29,9 +29,6 @@ import urlparse, hashlib
 # 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 --global remote-hg.insecure true
 #
@@ -55,6 +52,8 @@ EMAIL_RE = re.compile('^([^<>]+[^ \\\t<>])?\\b(?:[ \\t<>]*?)\\b([^ \\t<>]+@[^ \\
 AUTHOR_HG_RE = re.compile('^(.*?) ?<(.*?)(?:>(.+)?)?$')
 RAW_AUTHOR_RE = re.compile('^(\w+) (?:(.+)? )?<(.*)> (\d+) ([+-]\d+)')
 
+VERSION = 2
+
 def die(msg, *args):
     sys.stderr.write('ERROR: %s\n' % (msg % args))
     sys.exit(1)
@@ -72,8 +71,11 @@ def hgmode(mode):
     m = { '100755': 'x', '120000': 'l' }
     return m.get(mode, '')
 
-def hghex(node):
-    return hg.node.hex(node)
+def hghex(n):
+    return node.hex(n)
+
+def hgbin(n):
+    return node.bin(n)
 
 def hgref(ref):
     return ref.replace('___', ' ')
@@ -81,6 +83,11 @@ def hgref(ref):
 def gitref(ref):
     return ref.replace(' ', '___')
 
+def check_version(*check):
+    if not hg_version:
+        return True
+    return hg_version >= check
+
 def get_config(config):
     cmd = ['git', 'config', '--get', config]
     process = subprocess.Popen(cmd, stdout=subprocess.PIPE)
@@ -98,14 +105,27 @@ def get_config_bool(config, default=False):
 
 class Marks:
 
-    def __init__(self, path):
+    def __init__(self, path, repo):
         self.path = path
+        self.repo = repo
+        self.clear()
+        self.load()
+
+        if self.version < VERSION:
+            if self.version == 1:
+                self.upgrade_one()
+
+            # upgraded?
+            if self.version < VERSION:
+                self.clear()
+                self.version = VERSION
+
+    def clear(self):
         self.tips = {}
         self.marks = {}
         self.rev_marks = {}
         self.last_mark = 0
-
-        self.load()
+        self.version = 0
 
     def load(self):
         if not os.path.exists(self.path):
@@ -116,12 +136,21 @@ class Marks:
         self.tips = tmp['tips']
         self.marks = tmp['marks']
         self.last_mark = tmp['last-mark']
+        self.version = tmp.get('version', 1)
 
         for rev, mark in self.marks.iteritems():
-            self.rev_marks[mark] = int(rev)
+            self.rev_marks[mark] = rev
+
+    def upgrade_one(self):
+        def get_id(rev):
+            return hghex(self.repo.changelog.node(int(rev)))
+        self.tips = dict((name, get_id(rev)) for name, rev in self.tips.iteritems())
+        self.marks = dict((get_id(rev), mark) for rev, mark in self.marks.iteritems())
+        self.rev_marks = dict((mark, get_id(rev)) for mark, rev in self.rev_marks.iteritems())
+        self.version = 2
 
     def dict(self):
-        return { 'tips': self.tips, 'marks': self.marks, 'last-mark' : self.last_mark }
+        return { 'tips': self.tips, 'marks': self.marks, 'last-mark' : self.last_mark, 'version' : self.version }
 
     def store(self):
         json.dump(self.dict(), open(self.path, 'w'))
@@ -130,10 +159,10 @@ class Marks:
         return str(self.dict())
 
     def from_rev(self, rev):
-        return self.marks[str(rev)]
+        return self.marks[rev]
 
     def to_rev(self, mark):
-        return self.rev_marks[mark]
+        return str(self.rev_marks[mark])
 
     def next_mark(self):
         self.last_mark += 1
@@ -141,19 +170,19 @@ class Marks:
 
     def get_mark(self, rev):
         self.last_mark += 1
-        self.marks[str(rev)] = self.last_mark
+        self.marks[rev] = self.last_mark
         return self.last_mark
 
     def new_mark(self, rev, mark):
-        self.marks[str(rev)] = mark
+        self.marks[rev] = mark
         self.rev_marks[mark] = rev
         self.last_mark = mark
 
     def is_marked(self, rev):
-        return str(rev) in self.marks
+        return rev in self.marks
 
     def get_tip(self, branch):
-        return self.tips.get(branch, 0)
+        return str(self.tips[branch])
 
     def set_tip(self, branch, tip):
         self.tips[branch] = tip
@@ -261,7 +290,7 @@ def get_filechanges(repo, ctx, parent):
     removed = set()
 
     # load earliest manifest first for caching reasons
-    prev = repo[parent].manifest().copy()
+    prev = parent.manifest().copy()
     cur = ctx.manifest()
 
     for fn in cur:
@@ -329,6 +358,21 @@ def fixup_user(user):
 
     return '%s <%s>' % (name, mail)
 
+def updatebookmarks(repo, peer):
+    remotemarks = peer.listkeys('bookmarks')
+    localmarks = repo._bookmarks
+
+    if not remotemarks:
+        return
+
+    for k, v in remotemarks.iteritems():
+        localmarks[k] = hgbin(v)
+
+    if hasattr(localmarks, 'write'):
+        localmarks.write()
+    else:
+        bookmarks.write(repo)
+
 def get_repo(url, alias):
     global dirname, peer
 
@@ -339,35 +383,41 @@ def get_repo(url, alias):
     if get_config_bool('remote-hg.insecure'):
         myui.setconfig('web', 'cacerts', '')
 
-    try:
-        mod = extensions.load(myui, 'hgext.schemes', None)
-        mod.extsetup(myui)
-    except ImportError:
-        pass
+    extensions.loadall(myui)
 
-    if hg.islocal(url):
+    if hg.islocal(url) and not os.environ.get('GIT_REMOTE_HG_TEST_REMOTE'):
         repo = hg.repository(myui, url)
+        if not os.path.exists(dirname):
+            os.makedirs(dirname)
     else:
-        local_path = os.path.join(dirname, 'clone')
-        if not os.path.exists(local_path):
-            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)
+        shared_path = os.path.join(gitdir, 'hg')
+        if not os.path.exists(shared_path):
             try:
-                peer = hg.peer(myui, {}, url)
+                hg.clone(myui, {}, url, shared_path, update=False, pull=True)
             except:
                 die('Repository error')
-            repo.pull(peer, heads=None, force=True)
+
+        if not os.path.exists(dirname):
+            os.makedirs(dirname)
+
+        local_path = os.path.join(dirname, 'clone')
+        if not os.path.exists(local_path):
+            hg.share(myui, shared_path, local_path, update=False)
+
+        repo = hg.repository(myui, local_path)
+        try:
+            peer = hg.peer(myui, {}, url)
+        except:
+            die('Repository error')
+        repo.pull(peer, heads=None, force=True)
+
+        updatebookmarks(repo, peer)
 
     return repo
 
 def rev_to_mark(rev):
     global marks
-    return marks.from_rev(rev)
+    return marks.from_rev(rev.hex())
 
 def mark_to_rev(mark):
     global marks
@@ -377,17 +427,24 @@ def export_ref(repo, name, kind, head):
     global prefix, marks, mode
 
     ename = '%s/%s' % (kind, name)
-    tip = marks.get_tip(ename)
+    try:
+        tip = marks.get_tip(ename)
+        tip = repo[tip].rev()
+    except:
+        tip = 0
 
     revs = xrange(tip, head.rev() + 1)
-    count = 0
-
-    revs = [rev for rev in revs if not marks.is_marked(rev)]
+    total = len(revs)
 
     for rev in revs:
 
         c = repo[rev]
-        (manifest, user, (time, tz), files, desc, extra) = repo.changelog.read(c.node())
+        node = c.node()
+
+        if marks.is_marked(c.hex()):
+            continue
+
+        (manifest, user, (time, tz), files, desc, extra) = repo.changelog.read(node)
         rev_branch = extra['branch']
 
         author = "%s %d %s" % (fixup_user(user), time, gittz(tz))
@@ -397,7 +454,7 @@ def export_ref(repo, name, kind, head):
         else:
             committer = author
 
-        parents = [p for p in repo.changelog.parentrevs(rev) if p >= 0]
+        parents = [repo[p] for p in repo.changelog.parentrevs(rev) if p >= 0]
 
         if len(parents) == 0:
             modified = c.manifest().keys()
@@ -439,7 +496,7 @@ def export_ref(repo, name, kind, head):
         modified_final = export_files(c.filectx(f) for f in modified)
 
         print "commit %s/%s" % (prefix, ename)
-        print "mark :%d" % (marks.get_mark(rev))
+        print "mark :%d" % (marks.get_mark(c.hex()))
         print "author %s" % (author)
         print "committer %s" % (committer)
         print "data %d" % (len(desc))
@@ -450,22 +507,22 @@ def export_ref(repo, name, kind, head):
             if len(parents) > 1:
                 print "merge :%s" % (rev_to_mark(parents[1]))
 
-        for f in modified_final:
-            print "M %s :%u %s" % f
         for f in removed:
             print "D %s" % (fix_file_path(f))
+        for f in modified_final:
+            print "M %s :%u %s" % f
         print
 
-        count += 1
-        if (count % 100 == 0):
-            print "progress revision %d '%s' (%d/%d)" % (rev, name, count, len(revs))
+        progress = (rev - tip)
+        if (progress % 100 == 0):
+            print "progress revision %d '%s' (%d/%d)" % (rev, name, progress, total)
 
     # make sure the ref is updated
     print "reset %s/%s" % (prefix, ename)
-    print "from :%u" % rev_to_mark(rev)
+    print "from :%u" % rev_to_mark(head)
     print
 
-    marks.set_tip(ename, rev)
+    marks.set_tip(ename, head.hex())
 
 def export_tag(repo, tag):
     export_ref(repo, tag, 'tags', repo[hgref(tag)])
@@ -497,15 +554,12 @@ def do_capabilities(parser):
     if os.path.exists(path):
         print "*import-marks %s" % path
     print "*export-marks %s" % path
+    print "option"
 
     print
 
-def branch_tip(repo, branch):
-    # older versions of mercurial don't have this
-    if hasattr(repo, 'branchtip'):
-        return repo.branchtip(branch)
-    else:
-        return repo.branchtags()[branch]
+def branch_tip(branch):
+    return branches[branch][-1]
 
 def get_branch_tip(repo, branch):
     global branches
@@ -517,27 +571,21 @@ def get_branch_tip(repo, branch):
     # verify there's only one head
     if (len(heads) > 1):
         warn("Branch '%s' has more than one head, consider merging" % branch)
-        return branch_tip(repo, hgref(branch))
+        return branch_tip(hgref(branch))
 
     return heads[0]
 
 def list_head(repo, cur):
-    global g_head, bmarks
+    global g_head, bmarks, fake_bmark
 
-    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
+    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
@@ -551,15 +599,17 @@ def do_list(parser):
         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 repo.branchmap():
-            heads = repo.branchheads(branch)
-            if len(heads):
-                branches[branch] = heads
-
         for branch in branches:
             print "? refs/heads/branches/%s" % gitref(branch)
 
@@ -582,6 +632,7 @@ def do_import(parser):
     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
@@ -671,6 +722,11 @@ def parse_commit(parser):
             die('Unknown file command: %s' % line)
         files[path] = f
 
+    # only export the commits if we are on an internal proxy repo
+    if dry_run and not peer:
+        parsed_refs[ref] = None
+        return
+
     def getfilectx(repo, memctx, f):
         of = files[f]
         if 'deleted' in of:
@@ -692,14 +748,14 @@ def parse_commit(parser):
         extra['committer'] = "%s %u %u" % committer
 
     if from_mark:
-        p1 = repo.changelog.node(mark_to_rev(from_mark))
+        p1 = mark_to_rev(from_mark)
     else:
-        p1 = '\0' * 20
+        p1 = '0' * 40
 
     if merge_mark:
-        p2 = repo.changelog.node(mark_to_rev(merge_mark))
+        p2 = mark_to_rev(merge_mark)
     else:
-        p2 = '\0' * 20
+        p2 = '0' * 40
 
     #
     # If files changed from any of the parents, hg wants to know, but in git if
@@ -735,14 +791,12 @@ def parse_commit(parser):
     tmp = encoding.encoding
     encoding.encoding = 'utf-8'
 
-    node = repo.commitctx(ctx)
+    node = hghex(repo.commitctx(ctx))
 
     encoding.encoding = tmp
 
-    rev = repo[node].rev()
-
     parsed_refs[ref] = node
-    marks.new_mark(rev, commit_mark)
+    marks.new_mark(node, commit_mark)
 
 def parse_reset(parser):
     global parsed_refs
@@ -758,8 +812,11 @@ def parse_reset(parser):
     from_mark = parser.get_mark()
     parser.next()
 
-    node = parser.repo.changelog.node(mark_to_rev(from_mark))
-    parsed_refs[ref] = node
+    try:
+        rev = mark_to_rev(from_mark)
+    except KeyError:
+        rev = None
+    parsed_refs[ref] = rev
 
 def parse_tag(parser):
     name = parser[1]
@@ -775,7 +832,7 @@ def parse_tag(parser):
 
 def write_tag(repo, tag, node, msg, author):
     branch = repo[node].branch()
-    tip = branch_tip(repo, branch)
+    tip = branch_tip(branch)
     tip = repo[tip]
 
     def getfilectx(repo, memctx, f):
@@ -784,18 +841,28 @@ def write_tag(repo, tag, node, msg, author):
             data = fctx.data()
         except error.ManifestLookupError:
             data = ""
-        content = data + "%s %s\n" % (hghex(node), tag)
+        content = data + "%s %s\n" % (node, tag)
         return context.memfilectx(f, content, False, False, None)
 
     p1 = tip.hex()
-    p2 = '\0' * 20
-    if not author:
-        author = (None, 0, 0)
-    user, date, tz = author
+    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})
+            user, date_tz, {'branch' : branch})
 
     tmp = encoding.encoding
     encoding.encoding = 'utf-8'
@@ -804,12 +871,132 @@ def write_tag(repo, tag, node, msg, author):
 
     encoding.encoding = tmp
 
-    return tagnode
+    return (tagnode, branch)
+
+def checkheads_bmark(repo, ref, ctx):
+    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()):
+        if force_push:
+            print "ok %s forced update" % ref
+        else:
+            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)
+            ref = p_revs[node]
+            if force_push:
+                print "ok %s forced update" % ref
+            else:
+                print "error %s non-fast forward" % ref
+                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 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()
 
@@ -827,72 +1014,114 @@ def do_export(parser):
         else:
             die('unhandled export command: %s' % line)
 
+    need_fetch = False
+
     for ref, node in parsed_refs.iteritems():
+        bnode = hgbin(node) if node else None
         if ref.startswith('refs/heads/branches'):
             branch = ref[len('refs/heads/branches/'):]
-            if branch in branches and node in branches[branch]:
+            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/'):]
-            p_bmarks.append((bmark, node))
-            continue
+            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/'):
+            if dry_run:
+                print "ok %s" % ref
+                continue
             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, hghex(node[:6]));
-                write_tag(parser.repo, tag, node, msg, author)
+                    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' % (hghex(node), tag))
+                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 peer:
-        parser.repo.push(peer, force=force_push, newbranch=True)
-
-    # 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 need_fetch:
+        print
+        return
 
-        if old == new:
-            continue
+    if dry_run:
+        if peer and not force_push:
+            checkheads(parser.repo, peer, p_revs)
+        print
+        return
 
-        if bmark == 'master' and 'master' not in parser.repo._bookmarks:
-            # fake bookmark
-            print "ok %s" % ref
-            continue
-        elif bookmarks.pushbookmark(parser.repo, bmark, old, new):
-            # updated locally
-            pass
-        else:
-            print "error %s" % ref
-            continue
+    if peer:
+        if not push(parser.repo, peer, parsed_refs, p_revs):
+            # do not update bookmarks
+            print
+            return
 
-        if peer:
-            rb = peer.listkeys('bookmarks')
-            old = rb.get(bmark, '')
+        # 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
-                continue
-
-        print "ok %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 do_option(parser):
+    global dry_run, force_push
+    _, key, value = parser.line.split(' ')
+    if key == 'dry-run':
+        dry_run = (value == 'true')
+        print 'ok'
+    elif key == 'force':
+        force_push = (value == 'true')
+        print 'ok'
+    else:
+        print 'unsupported'
+
 def fix_path(alias, repo, orig_url):
     url = urlparse.urlparse(orig_url, 'file')
     if url.scheme != 'file' or os.path.isabs(url.path):
@@ -902,12 +1131,14 @@ def fix_path(alias, repo, orig_url):
     subprocess.call(cmd)
 
 def main(args):
-    global prefix, dirname, branches, bmarks
+    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
+    global dry_run
 
     alias = args[1]
     url = args[2]
@@ -915,7 +1146,7 @@ def main(args):
 
     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')
+    force_push = False
 
     if hg_git_compat:
         mode = 'hg'
@@ -941,6 +1172,12 @@ def main(args):
     marks = None
     parsed_tags = {}
     filenodes = {}
+    fake_bmark = None
+    try:
+        hg_version = tuple(int(e) for e in util.version().split('.'))
+    except:
+        hg_version = None
+    dry_run = False
 
     repo = get_repo(url, alias)
     prefix = 'refs/hg/%s' % alias
@@ -948,11 +1185,8 @@ def main(args):
     if not is_tmp:
         fix_path(alias, peer or repo, url)
 
-    if not os.path.exists(dirname):
-        os.makedirs(dirname)
-
     marks_path = os.path.join(dirname, 'marks-hg')
-    marks = Marks(marks_path)
+    marks = Marks(marks_path, repo)
 
     if sys.platform == 'win32':
         import msvcrt
@@ -968,6 +1202,8 @@ def main(args):
             do_import(parser)
         elif parser.check('export'):
             do_export(parser)
+        elif parser.check('option'):
+            do_option(parser)
         else:
             die('unhandled command: %s' % line)
         sys.stdout.flush()
diff --git a/contrib/remote-helpers/test-bzr.sh b/contrib/remote-helpers/test-bzr.sh
index 5dfa070b64..dce281f911 100755
--- a/contrib/remote-helpers/test-bzr.sh
+++ b/contrib/remote-helpers/test-bzr.sh
@@ -12,86 +12,90 @@ if ! test_have_prereq PYTHON; then
 	test_done
 fi
 
-if ! "$PYTHON_PATH" -c 'import bzrlib'; then
+if ! python -c 'import bzrlib'; then
 	skip_all='skipping remote-bzr tests; bzr 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 &&
+	echo $3 > expected &&
+	git --git-dir=$1/.git log --format='%s' -1 $2 > actual
 	test_cmp expected actual
 }
 
 bzr whoami "A U Thor <author@example.com>"
 
 test_expect_success 'cloning' '
-  (bzr init bzrrepo &&
-  cd bzrrepo &&
-  echo one > content &&
-  bzr add content &&
-  bzr commit -m one
-  ) &&
-
-  git clone "bzr::$PWD/bzrrepo" gitrepo &&
-  check gitrepo one master
+	(
+	bzr init bzrrepo &&
+	cd bzrrepo &&
+	echo one > content &&
+	bzr add content &&
+	bzr commit -m one
+	) &&
+
+	git clone "bzr::bzrrepo" gitrepo &&
+	check gitrepo HEAD one
 '
 
 test_expect_success 'pulling' '
-  (cd bzrrepo &&
-  echo two > content &&
-  bzr commit -m two
-  ) &&
+	(
+	cd bzrrepo &&
+	echo two > content &&
+	bzr commit -m two
+	) &&
 
-  (cd gitrepo && git pull) &&
+	(cd gitrepo && git pull) &&
 
-  check gitrepo two master
+	check gitrepo HEAD two
 '
 
 test_expect_success 'pushing' '
-  (cd gitrepo &&
-  echo three > content &&
-  git commit -a -m three &&
-  git push
-  ) &&
-
-  echo three > expected &&
-  cat bzrrepo/content > actual &&
-  test_cmp expected actual
+	(
+	cd gitrepo &&
+	echo three > content &&
+	git commit -a -m three &&
+	git push
+	) &&
+
+	echo three > expected &&
+	cat bzrrepo/content > actual &&
+	test_cmp expected actual
 '
 
 test_expect_success 'roundtrip' '
-  (cd gitrepo &&
-  git pull &&
-  git log --format="%s" -1 origin/master > actual) &&
-  echo three > expected &&
-  test_cmp expected actual &&
+	(
+	cd gitrepo &&
+	git pull &&
+	git log --format="%s" -1 origin/master > actual
+	) &&
+	echo three > expected &&
+	test_cmp expected actual &&
 
-  (cd gitrepo && git push && git pull) &&
+	(cd gitrepo && git push && git pull) &&
 
-  (cd bzrrepo &&
-  echo four > content &&
-  bzr commit -m four
-  ) &&
+	(
+	cd bzrrepo &&
+	echo four > content &&
+	bzr commit -m four
+	) &&
 
-  (cd gitrepo && git pull && git push) &&
+	(cd gitrepo && git pull && git push) &&
 
-  check gitrepo four master &&
+	check gitrepo HEAD four &&
 
-  (cd gitrepo &&
-  echo five > content &&
-  git commit -a -m five &&
-  git push && git pull
-  ) &&
+	(
+	cd gitrepo &&
+	echo five > content &&
+	git commit -a -m five &&
+	git push && git pull
+	) &&
 
-  (cd bzrrepo && bzr revert) &&
+	(cd bzrrepo && bzr revert) &&
 
-  echo five > expected &&
-  cat bzrrepo/content > actual &&
-  test_cmp expected actual
+	echo five > expected &&
+	cat bzrrepo/content > actual &&
+	test_cmp expected actual
 '
 
 cat > expected <<EOF
@@ -101,29 +105,35 @@ cat > expected <<EOF
 EOF
 
 test_expect_success 'special modes' '
-  (cd bzrrepo &&
-  echo exec > executable
-  chmod +x executable &&
-  bzr add executable
-  bzr commit -m exec &&
-  ln -s content link
-  bzr add link
-  bzr commit -m link &&
-  mkdir dir &&
-  bzr add dir &&
-  bzr commit -m dir) &&
-
-  (cd gitrepo &&
-  git pull
-  git ls-tree HEAD > ../actual) &&
-
-  test_cmp expected actual &&
-
-  (cd gitrepo &&
-  git cat-file -p HEAD:link > ../actual) &&
-
-  printf content > expected &&
-  test_cmp expected actual
+	(
+	cd bzrrepo &&
+	echo exec > executable
+	chmod +x executable &&
+	bzr add executable
+	bzr commit -m exec &&
+	ln -s content link
+	bzr add link
+	bzr commit -m link &&
+	mkdir dir &&
+	bzr add dir &&
+	bzr commit -m dir
+	) &&
+
+	(
+	cd gitrepo &&
+	git pull
+	git ls-tree HEAD > ../actual
+	) &&
+
+	test_cmp expected actual &&
+
+	(
+	cd gitrepo &&
+	git cat-file -p HEAD:link > ../actual
+	) &&
+
+	printf content > expected &&
+	test_cmp expected actual
 '
 
 cat > expected <<EOF
@@ -134,134 +144,145 @@ cat > expected <<EOF
 EOF
 
 test_expect_success 'moving directory' '
-  (cd bzrrepo &&
-  mkdir movedir &&
-  echo one > movedir/one &&
-  echo two > movedir/two &&
-  bzr add movedir &&
-  bzr commit -m movedir &&
-  bzr mv movedir movedir-new &&
-  bzr commit -m movedir-new) &&
-
-  (cd gitrepo &&
-  git pull &&
-  git ls-tree HEAD > ../actual) &&
-
-  test_cmp expected actual
+	(
+	cd bzrrepo &&
+	mkdir movedir &&
+	echo one > movedir/one &&
+	echo two > movedir/two &&
+	bzr add movedir &&
+	bzr commit -m movedir &&
+	bzr mv movedir movedir-new &&
+	bzr commit -m movedir-new
+	) &&
+
+	(
+	cd gitrepo &&
+	git pull &&
+	git ls-tree HEAD > ../actual
+	) &&
+
+	test_cmp expected actual
 '
 
 test_expect_success 'different authors' '
-  (cd bzrrepo &&
-  echo john >> content &&
-  bzr commit -m john \
-    --author "Jane Rey <jrey@example.com>" \
-    --author "John Doe <jdoe@example.com>") &&
-
-  (cd gitrepo &&
-  git pull &&
-  git show --format="%an <%ae>, %cn <%ce>" --quiet > ../actual) &&
-
-  echo "Jane Rey <jrey@example.com>, A U Thor <author@example.com>" > expected &&
-  test_cmp expected actual
+	(
+	cd bzrrepo &&
+	echo john >> content &&
+	bzr commit -m john \
+	  --author "Jane Rey <jrey@example.com>" \
+	  --author "John Doe <jdoe@example.com>"
+	) &&
+
+	(
+	cd gitrepo &&
+	git pull &&
+	git show --format="%an <%ae>, %cn <%ce>" --quiet > ../actual
+	) &&
+
+	echo "Jane Rey <jrey@example.com>, A U Thor <author@example.com>" > expected &&
+	test_cmp expected actual
 '
 
+# cleanup previous stuff
+rm -rf bzrrepo gitrepo
+
 test_expect_success 'fetch utf-8 filenames' '
-  mkdir -p tmp && cd tmp &&
-  test_when_finished "cd .. && rm -rf tmp && LC_ALL=C" &&
-
-  LC_ALL=en_US.UTF-8
-  export LC_ALL
-  (
-  bzr init bzrrepo &&
-  cd bzrrepo &&
-
-  echo test >> "ærø" &&
-  bzr add "ærø" &&
-  echo test >> "ø~?" &&
-  bzr add "ø~?" &&
-  bzr commit -m add-utf-8 &&
-  echo test >> "ærø" &&
-  bzr commit -m test-utf-8 &&
-  bzr rm "ø~?" &&
-  bzr mv "ærø" "ø~?" &&
-  bzr commit -m bzr-mv-utf-8
-  ) &&
-
-  (
-  git clone "bzr::$PWD/bzrrepo" gitrepo &&
-  cd gitrepo &&
-  git -c core.quotepath=false ls-files > ../actual
-  ) &&
-  echo "ø~?" > expected &&
-  test_cmp expected actual
+	test_when_finished "rm -rf bzrrepo gitrepo && LC_ALL=C" &&
+
+	LC_ALL=en_US.UTF-8
+	export LC_ALL
+
+	(
+	bzr init bzrrepo &&
+	cd bzrrepo &&
+
+	echo test >> "ærø" &&
+	bzr add "ærø" &&
+	echo test >> "ø~?" &&
+	bzr add "ø~?" &&
+	bzr commit -m add-utf-8 &&
+	echo test >> "ærø" &&
+	bzr commit -m test-utf-8 &&
+	bzr rm "ø~?" &&
+	bzr mv "ærø" "ø~?" &&
+	bzr commit -m bzr-mv-utf-8
+	) &&
+
+	(
+	git clone "bzr::bzrrepo" gitrepo &&
+	cd gitrepo &&
+	git -c core.quotepath=false ls-files > ../actual
+	) &&
+	echo "ø~?" > expected &&
+	test_cmp expected actual
 '
 
 test_expect_success 'push utf-8 filenames' '
-  mkdir -p tmp && cd tmp &&
-  test_when_finished "cd .. && rm -rf tmp && LC_ALL=C" &&
+	test_when_finished "rm -rf bzrrepo gitrepo && LC_ALL=C" &&
+
+	mkdir -p tmp && cd tmp &&
 
-  LC_ALL=en_US.UTF-8
-  export LC_ALL
+	LC_ALL=en_US.UTF-8
+	export LC_ALL
 
-  (
-  bzr init bzrrepo &&
-  cd bzrrepo &&
+	(
+	bzr init bzrrepo &&
+	cd bzrrepo &&
 
-  echo one >> content &&
-  bzr add content &&
-  bzr commit -m one
-  ) &&
+	echo one >> content &&
+	bzr add content &&
+	bzr commit -m one
+	) &&
 
-  (
-  git clone "bzr::$PWD/bzrrepo" gitrepo &&
-  cd gitrepo &&
+	(
+	git clone "bzr::bzrrepo" gitrepo &&
+	cd gitrepo &&
 
-  echo test >> "ærø" &&
-  git add "ærø" &&
-  git commit -m utf-8 &&
+	echo test >> "ærø" &&
+	git add "ærø" &&
+	git commit -m utf-8 &&
 
-  git push
-  ) &&
+	git push
+	) &&
 
-  (cd bzrrepo && bzr ls > ../actual) &&
-  printf "content\nærø\n" > expected &&
-  test_cmp expected actual
+	(cd bzrrepo && bzr ls > ../actual) &&
+	printf "content\nærø\n" > expected &&
+	test_cmp expected actual
 '
 
 test_expect_success 'pushing a merge' '
-  mkdir -p tmp && cd tmp &&
-  test_when_finished "cd .. && rm -rf tmp" &&
-
-  (
-  bzr init bzrrepo &&
-  cd bzrrepo &&
-  echo one > content &&
-  bzr add content &&
-  bzr commit -m one
-  ) &&
-
-  git clone "bzr::$PWD/bzrrepo" gitrepo &&
-
-  (
-  cd bzrrepo &&
-  echo two > content &&
-  bzr commit -m two
-  ) &&
-
-  (
-  cd gitrepo &&
-  echo three > content &&
-  git commit -a -m three &&
-  git fetch &&
-  git merge origin/master || true &&
-  echo three > content &&
-  git commit -a --no-edit &&
-  git push
-  ) &&
-
-  echo three > expected &&
-  cat bzrrepo/content > actual &&
-  test_cmp expected actual
+	test_when_finished "rm -rf bzrrepo gitrepo" &&
+
+	(
+	bzr init bzrrepo &&
+	cd bzrrepo &&
+	echo one > content &&
+	bzr add content &&
+	bzr commit -m one
+	) &&
+
+	git clone "bzr::bzrrepo" gitrepo &&
+
+	(
+	cd bzrrepo &&
+	echo two > content &&
+	bzr commit -m two
+	) &&
+
+	(
+	cd gitrepo &&
+	echo three > content &&
+	git commit -a -m three &&
+	git fetch &&
+	git merge origin/master || true &&
+	echo three > content &&
+	git commit -a --no-edit &&
+	git push
+	) &&
+
+	echo three > expected &&
+	cat bzrrepo/content > actual &&
+	test_cmp expected actual
 '
 
 cat > expected <<EOF
@@ -271,71 +292,70 @@ origin/trunk
 EOF
 
 test_expect_success 'proper bzr repo' '
-  mkdir -p tmp && cd tmp &&
-  test_when_finished "cd .. && rm -rf tmp" &&
-
-  bzr init-repo bzrrepo &&
-
-  bzr init bzrrepo/trunk &&
-  (
-  cd bzrrepo/trunk &&
-  echo one >> content &&
-  bzr add content &&
-  bzr commit -m one
-  ) &&
-
-  bzr branch bzrrepo/trunk bzrrepo/branch &&
-  (
-  cd bzrrepo/branch &&
-  echo two >> content &&
-  bzr commit -m one
-  ) &&
-
-  git clone "bzr::$PWD/bzrrepo" gitrepo &&
-  (
-  cd gitrepo &&
-  git for-each-ref --format "%(refname:short)" refs/remotes/origin > ../actual
-  ) &&
-
-  test_cmp ../expected actual
+	test_when_finished "rm -rf bzrrepo gitrepo" &&
+
+	bzr init-repo bzrrepo &&
+
+	(
+	bzr init bzrrepo/trunk &&
+	cd bzrrepo/trunk &&
+	echo one >> content &&
+	bzr add content &&
+	bzr commit -m one
+	) &&
+
+	(
+	bzr branch bzrrepo/trunk bzrrepo/branch &&
+	cd bzrrepo/branch &&
+	echo two >> content &&
+	bzr commit -m one
+	) &&
+
+	(
+	git clone "bzr::bzrrepo" gitrepo &&
+	cd gitrepo &&
+	git for-each-ref --format "%(refname:short)" refs/remotes/origin > ../actual
+	) &&
+
+	test_cmp expected actual
 '
 
 test_expect_success 'strip' '
-  # Do not imitate this style; always chdir inside a subshell instead
-  mkdir -p tmp && cd tmp &&
-  test_when_finished "cd .. && rm -rf tmp" &&
+	test_when_finished "rm -rf bzrrepo gitrepo" &&
 
-  (
-  bzr init bzrrepo &&
-  cd bzrrepo &&
+	(
+	bzr init bzrrepo &&
+	cd bzrrepo &&
 
-  echo one >> content &&
-  bzr add content &&
-  bzr commit -m one &&
+	echo one >> content &&
+	bzr add content &&
+	bzr commit -m one &&
 
-  echo two >> content &&
-  bzr commit -m two
-  ) &&
+	echo two >> content &&
+	bzr commit -m two
+	) &&
 
-  git clone "bzr::$PWD/bzrrepo" gitrepo &&
+	git clone "bzr::bzrrepo" gitrepo &&
 
-  (
-  cd bzrrepo &&
-  bzr uncommit --force &&
+	(
+	cd bzrrepo &&
+	bzr uncommit --force &&
 
-  echo three >> content &&
-  bzr commit -m three &&
+	echo three >> content &&
+	bzr commit -m three &&
 
-  echo four >> content &&
-  bzr commit -m four &&
-  bzr log --line | sed -e "s/^[0-9][0-9]*: //" > ../expected
-  ) &&
+	echo four >> content &&
+	bzr commit -m four &&
+	bzr log --line | sed -e "s/^[0-9][0-9]*: //" > ../expected
+	) &&
 
-  (cd gitrepo &&
-  git fetch &&
-  git log --format="%an %ad %s" --date=short origin/master > ../actual) &&
+	(
+	cd gitrepo &&
+	git fetch &&
+	git log --format="%an %ad %s" --date=short origin/master > ../actual
+	) &&
 
-  test_cmp expected actual
+	test_cmp expected actual
 '
 
 test_done
diff --git a/contrib/remote-helpers/test-hg-bidi.sh b/contrib/remote-helpers/test-hg-bidi.sh
index f569697734..f83d67d74f 100755
--- a/contrib/remote-helpers/test-hg-bidi.sh
+++ b/contrib/remote-helpers/test-hg-bidi.sh
@@ -15,23 +15,22 @@ if ! test_have_prereq PYTHON; then
 	test_done
 fi
 
-if ! "$PYTHON_PATH" -c 'import mercurial'; then
+if ! python -c 'import mercurial'; then
 	skip_all='skipping remote-hg tests; mercurial not available'
 	test_done
 fi
 
 # clone to a git repo
 git_clone () {
-	git clone -q "hg::$PWD/$1" $2
+	git clone -q "hg::$1" $2
 }
 
 # clone to an hg repo
 hg_clone () {
 	(
 	hg init $2 &&
-	hg -R $2 bookmark -i master &&
 	cd $1 &&
-	git push -q "hg::$PWD/../$2" 'refs/tags/*:refs/tags/*' 'refs/heads/*:refs/heads/*'
+	git push -q "hg::../$2" 'refs/tags/*:refs/tags/*' 'refs/heads/*:refs/heads/*'
 	) &&
 
 	(cd $2 && hg -q update)
@@ -41,17 +40,15 @@ hg_clone () {
 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 fetch -q "hg::../$1" 'refs/tags/*:refs/tags/*' 'refs/heads/*:refs/heads/*' &&
+	git checkout -q @{-1} &&
 	git branch -q -D tmp 2> /dev/null || true
 	)
 }
 
 hg_log () {
-	hg -R $1 log --graph --debug >log &&
-	grep -v 'tag: *default/' log
+	hg -R $1 log --graph --debug
 }
 
 setup () {
@@ -67,6 +64,7 @@ setup () {
 	echo "graphlog ="
 	) >> "$HOME"/.hgrc &&
 	git config --global remote-hg.hg-git-compat true
+	git config --global remote-hg.track-branches true
 
 	HGEDITOR=/usr/bin/true
 	GIT_AUTHOR_DATE="2007-01-01 00:00:00 +0230"
@@ -77,8 +75,7 @@ setup () {
 setup
 
 test_expect_success 'encoding' '
-	mkdir -p tmp && cd tmp &&
-	test_when_finished "cd .. && rm -rf tmp" &&
+	test_when_finished "rm -rf gitrepo* hgrepo*" &&
 
 	(
 	git init -q gitrepo &&
@@ -115,8 +112,7 @@ test_expect_success 'encoding' '
 '
 
 test_expect_success 'file removal' '
-	mkdir -p tmp && cd tmp &&
-	test_when_finished "cd .. && rm -rf tmp" &&
+	test_when_finished "rm -rf gitrepo* hgrepo*" &&
 
 	(
 	git init -q gitrepo &&
@@ -148,8 +144,7 @@ test_expect_success 'file removal' '
 '
 
 test_expect_success 'git tags' '
-	mkdir -p tmp && cd tmp &&
-	test_when_finished "cd .. && rm -rf tmp" &&
+	test_when_finished "rm -rf gitrepo* hgrepo*" &&
 
 	(
 	git init -q gitrepo &&
@@ -177,8 +172,7 @@ test_expect_success 'git tags' '
 '
 
 test_expect_success 'hg branch' '
-	mkdir -p tmp && cd tmp &&
-	test_when_finished "cd .. && rm -rf tmp" &&
+	test_when_finished "rm -rf gitrepo* hgrepo*" &&
 
 	(
 	git init -q gitrepo &&
@@ -194,7 +188,7 @@ test_expect_success 'hg branch' '
 	hg_clone gitrepo hgrepo &&
 
 	cd hgrepo &&
-	hg -q co master &&
+	hg -q co default &&
 	hg mv alpha beta &&
 	hg -q commit -m "rename alpha to beta" &&
 	hg branch gamma | grep -v "permanent and global" &&
@@ -214,8 +208,7 @@ test_expect_success 'hg branch' '
 '
 
 test_expect_success 'hg tags' '
-	mkdir -p tmp && cd tmp &&
-	test_when_finished "cd .. && rm -rf tmp" &&
+	test_when_finished "rm -rf gitrepo* hgrepo*" &&
 
 	(
 	git init -q gitrepo &&
@@ -231,7 +224,7 @@ test_expect_success 'hg tags' '
 	hg_clone gitrepo hgrepo &&
 
 	cd hgrepo &&
-	hg co master &&
+	hg co default &&
 	hg tag alpha
 	) &&
 
diff --git a/contrib/remote-helpers/test-hg-hg-git.sh b/contrib/remote-helpers/test-hg-hg-git.sh
index 7f579c8436..2219284382 100755
--- a/contrib/remote-helpers/test-hg-hg-git.sh
+++ b/contrib/remote-helpers/test-hg-hg-git.sh
@@ -15,19 +15,20 @@ if ! test_have_prereq PYTHON; then
 	test_done
 fi
 
-if ! "$PYTHON_PATH" -c 'import mercurial'; then
+if ! python -c 'import mercurial'; then
 	skip_all='skipping remote-hg tests; mercurial not available'
 	test_done
 fi
 
-if ! "$PYTHON_PATH" -c 'import hggit'; then
+if ! python -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 () {
-	git clone -q "hg::$PWD/$1" $2
+	git clone -q "hg::$1" $2 &&
+	(cd $2 && git checkout master && git branch -D default)
 }
 
 # clone to an hg repo with git
@@ -36,7 +37,7 @@ hg_clone_git () {
 	hg init $2 &&
 	hg -R $2 bookmark -i master &&
 	cd $1 &&
-	git push -q "hg::$PWD/../$2" 'refs/tags/*:refs/tags/*' 'refs/heads/*:refs/heads/*'
+	git push -q "hg::../$2" 'refs/tags/*:refs/tags/*' 'refs/heads/*:refs/heads/*'
 	) &&
 
 	(cd $2 && hg -q update)
@@ -61,10 +62,10 @@ hg_clone_hg () {
 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 fetch -q "hg::../$1" 'refs/tags/*:refs/tags/*' 'refs/heads/*:refs/heads/*' &&
+	git branch -D default &&
+	git checkout -q @{-1} &&
 	git branch -q -D tmp 2> /dev/null || true
 	)
 }
@@ -104,18 +105,18 @@ setup () {
 	git config --global remote-hg.hg-git-compat true
 	git config --global remote-hg.track-branches false
 
-	HGEDITOR=/usr/bin/true
+	HGEDITOR=true
+	HGMERGE=true
 
 	GIT_AUTHOR_DATE="2007-01-01 00:00:00 +0230"
 	GIT_COMMITTER_DATE="$GIT_AUTHOR_DATE"
-	export HGEDITOR GIT_AUTHOR_DATE GIT_COMMITTER_DATE
+	export HGEDITOR HGMERGE GIT_AUTHOR_DATE GIT_COMMITTER_DATE
 }
 
 setup
 
 test_expect_success 'executable bit' '
-	mkdir -p tmp && cd tmp &&
-	test_when_finished "cd .. && rm -rf tmp" &&
+	test_when_finished "rm -rf gitrepo* hgrepo*" &&
 
 	(
 	git init -q gitrepo &&
@@ -150,8 +151,7 @@ test_expect_success 'executable bit' '
 '
 
 test_expect_success 'symlink' '
-	mkdir -p tmp && cd tmp &&
-	test_when_finished "cd .. && rm -rf tmp" &&
+	test_when_finished "rm -rf gitrepo* hgrepo*" &&
 
 	(
 	git init -q gitrepo &&
@@ -181,8 +181,7 @@ test_expect_success 'symlink' '
 '
 
 test_expect_success 'merge conflict 1' '
-	mkdir -p tmp && cd tmp &&
-	test_when_finished "cd .. && rm -rf tmp" &&
+	test_when_finished "rm -rf gitrepo* hgrepo*" &&
 
 	(
 	hg init hgrepo1 &&
@@ -198,7 +197,7 @@ test_expect_success 'merge conflict 1' '
 	echo C > afile &&
 	hg ci -m "A->C" &&
 
-	hg merge -r1 || true &&
+	hg merge -r1 &&
 	echo C > afile &&
 	hg resolve -m afile &&
 	hg ci -m "merge to C"
@@ -216,8 +215,7 @@ test_expect_success 'merge conflict 1' '
 '
 
 test_expect_success 'merge conflict 2' '
-	mkdir -p tmp && cd tmp &&
-	test_when_finished "cd .. && rm -rf tmp" &&
+	test_when_finished "rm -rf gitrepo* hgrepo*" &&
 
 	(
 	hg init hgrepo1 &&
@@ -251,8 +249,7 @@ test_expect_success 'merge conflict 2' '
 '
 
 test_expect_success 'converged merge' '
-	mkdir -p tmp && cd tmp &&
-	test_when_finished "cd .. && rm -rf tmp" &&
+	test_when_finished "rm -rf gitrepo* hgrepo*" &&
 
 	(
 	hg init hgrepo1 &&
@@ -287,8 +284,7 @@ test_expect_success 'converged merge' '
 '
 
 test_expect_success 'encoding' '
-	mkdir -p tmp && cd tmp &&
-	test_when_finished "cd .. && rm -rf tmp" &&
+	test_when_finished "rm -rf gitrepo* hgrepo*" &&
 
 	(
 	git init -q gitrepo &&
@@ -327,8 +323,7 @@ test_expect_success 'encoding' '
 '
 
 test_expect_success 'file removal' '
-	mkdir -p tmp && cd tmp &&
-	test_when_finished "cd .. && rm -rf tmp" &&
+	test_when_finished "rm -rf gitrepo* hgrepo*" &&
 
 	(
 	git init -q gitrepo &&
@@ -367,8 +362,7 @@ test_expect_success 'file removal' '
 '
 
 test_expect_success 'git tags' '
-	mkdir -p tmp && cd tmp &&
-	test_when_finished "cd .. && rm -rf tmp" &&
+	test_when_finished "rm -rf gitrepo* hgrepo*" &&
 
 	(
 	git init -q gitrepo &&
@@ -394,8 +388,7 @@ test_expect_success 'git tags' '
 '
 
 test_expect_success 'hg author' '
-	mkdir -p tmp && cd tmp &&
-	test_when_finished "cd .. && rm -rf tmp" &&
+	test_when_finished "rm -rf gitrepo* hgrepo*" &&
 
 	for x in hg git; do
 		(
@@ -461,8 +454,7 @@ test_expect_success 'hg author' '
 '
 
 test_expect_success 'hg branch' '
-	mkdir -p tmp && cd tmp &&
-	test_when_finished "cd .. && rm -rf tmp" &&
+	test_when_finished "rm -rf gitrepo* hgrepo*" &&
 
 	for x in hg git; do
 		(
@@ -498,8 +490,7 @@ test_expect_success 'hg branch' '
 '
 
 test_expect_success 'hg tags' '
-	mkdir -p tmp && cd tmp &&
-	test_when_finished "cd .. && rm -rf tmp" &&
+	test_when_finished "rm -rf gitrepo* hgrepo*" &&
 
 	for x in hg git; do
 		(
diff --git a/contrib/remote-helpers/test-hg.sh b/contrib/remote-helpers/test-hg.sh
index 8de2aa7fec..f7ce8aa853 100755
--- a/contrib/remote-helpers/test-hg.sh
+++ b/contrib/remote-helpers/test-hg.sh
@@ -15,143 +15,678 @@ if ! test_have_prereq PYTHON; then
 	test_done
 fi
 
-if ! "$PYTHON_PATH" -c 'import mercurial'; then
+if ! python -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 &&
+	echo $3 > expected &&
+	git --git-dir=$1/.git log --format='%s' -1 $2 > actual
 	test_cmp expected actual
 }
 
+check_branch () {
+	if [ -n "$3" ]; then
+		echo $3 > expected &&
+		hg -R $1 log -r $2 --template '{desc}\n' > actual &&
+		test_cmp expected actual
+	else
+		hg -R $1 branches > out &&
+		! grep $2 out
+	fi
+}
+
+check_bookmark () {
+	if [ -n "$3" ]; then
+		echo $3 > expected &&
+		hg -R $1 log -r "bookmark('$2')" --template '{desc}\n' > actual &&
+		test_cmp expected actual
+	else
+		hg -R $1 bookmarks > out &&
+		! grep $2 out
+	fi
+}
+
+check_push () {
+	local expected_ret=$1 ret=0 ref_ret=0 IFS=':'
+
+	shift
+	git push origin "$@" 2> error
+	ret=$?
+	cat error
+
+	while read branch kind
+	do
+		case "$kind" in
+		'new')
+			grep "^ \* \[new branch\] *${branch} -> ${branch}$" error || ref_ret=1
+			;;
+		'non-fast-forward')
+			grep "^ ! \[rejected\] *${branch} -> ${branch} (non-fast-forward)$" error || ref_ret=1
+			;;
+		'fetch-first')
+			grep "^ ! \[rejected\] *${branch} -> ${branch} (fetch first)$" error || ref_ret=1
+			;;
+		'forced-update')
+			grep "^ + [a-f0-9]*\.\.\.[a-f0-9]* *${branch} -> ${branch} (forced update)$" error || ref_ret=1
+			;;
+		'')
+			grep "^   [a-f0-9]*\.\.[a-f0-9]* *${branch} -> ${branch}$" error || ref_ret=1
+			;;
+		esac
+		let 'ref_ret' && echo "match for '$branch' failed" && break
+	done
+
+	if let 'expected_ret != ret || ref_ret'
+	then
+		return 1
+	fi
+
+	return 0
+}
+
 setup () {
 	(
 	echo "[ui]"
 	echo "username = H G Wells <wells@example.com>"
-	) >> "$HOME"/.hgrc
+	echo "[extensions]"
+	echo "mq ="
+	) >> "$HOME"/.hgrc &&
+
+	GIT_AUTHOR_DATE="2007-01-01 00:00:00 +0230" &&
+	GIT_COMMITTER_DATE="$GIT_AUTHOR_DATE" &&
+	export GIT_COMMITTER_DATE GIT_AUTHOR_DATE
 }
 
 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
-  ) &&
+	test_when_finished "rm -rf gitrepo*" &&
 
-  git clone "hg::$PWD/hgrepo" gitrepo &&
-  check gitrepo zero master
+	(
+	hg init hgrepo &&
+	cd hgrepo &&
+	echo zero > content &&
+	hg add content &&
+	hg commit -m zero
+	) &&
+
+	git clone "hg::hgrepo" gitrepo &&
+	check gitrepo HEAD zero
 '
 
 test_expect_success 'cloning with branches' '
-  test_when_finished "rm -rf gitrepo*" &&
+	test_when_finished "rm -rf gitrepo*" &&
+
+	(
+	cd hgrepo &&
+	hg branch next &&
+	echo next > content &&
+	hg commit -m next
+	) &&
+
+	git clone "hg::hgrepo" gitrepo &&
+	check gitrepo origin/branches/next next
+'
+
+test_expect_success 'cloning with bookmarks' '
+	test_when_finished "rm -rf gitrepo*" &&
+
+	(
+	cd hgrepo &&
+	hg checkout default &&
+	hg bookmark feature-a &&
+	echo feature-a > content &&
+	hg commit -m feature-a
+	) &&
+
+	git clone "hg::hgrepo" gitrepo &&
+	check gitrepo origin/feature-a feature-a
+'
+
+test_expect_success 'update bookmark' '
+	test_when_finished "rm -rf gitrepo*" &&
 
-  (
-  cd hgrepo &&
-  hg branch next &&
-  echo next > content &&
-  hg commit -m next
-  ) &&
+	(
+	cd hgrepo &&
+	hg bookmark devel
+	) &&
 
-  git clone "hg::$PWD/hgrepo" gitrepo &&
-  check gitrepo next next &&
+	(
+	git clone "hg::hgrepo" gitrepo &&
+	cd gitrepo &&
+	git checkout --quiet devel &&
+	echo devel > content &&
+	git commit -a -m devel &&
+	git push --quiet
+	) &&
+
+	check_bookmark hgrepo devel devel
+'
 
-  (cd hgrepo && hg checkout default) &&
+test_expect_success 'new bookmark' '
+	test_when_finished "rm -rf gitrepo*" &&
 
-  git clone "hg::$PWD/hgrepo" gitrepo2 &&
-  check gitrepo2 zero master
+	(
+	git clone "hg::hgrepo" gitrepo &&
+	cd gitrepo &&
+	git checkout --quiet -b feature-b &&
+	echo feature-b > content &&
+	git commit -a -m feature-b &&
+	git push --quiet origin feature-b
+	) &&
+
+	check_bookmark hgrepo feature-b feature-b
 '
 
-test_expect_success 'cloning with bookmarks' '
-  test_when_finished "rm -rf gitrepo*" &&
+# cleanup previous stuff
+rm -rf hgrepo
+
+author_test () {
+	echo $1 >> content &&
+	hg commit -u "$2" -m "add $1" &&
+	echo "$3" >> ../expected
+}
 
-  (
-  cd hgrepo &&
-  hg bookmark feature-a &&
-  echo feature-a > content &&
-  hg commit -m feature-a
-  ) &&
+test_expect_success 'authors' '
+	test_when_finished "rm -rf hgrepo gitrepo" &&
+
+	(
+	hg init hgrepo &&
+	cd hgrepo &&
+
+	touch content &&
+	hg add content &&
+
+	> ../expected &&
+	author_test alpha "" "H G Wells <wells@example.com>" &&
+	author_test beta "test" "test <unknown>" &&
+	author_test beta "test <test@example.com> (comment)" "test <test@example.com>" &&
+	author_test gamma "<test@example.com>" "Unknown <test@example.com>" &&
+	author_test delta "name<test@example.com>" "name <test@example.com>" &&
+	author_test epsilon "name <test@example.com" "name <test@example.com>" &&
+	author_test zeta " test " "test <unknown>" &&
+	author_test eta "test < test@example.com >" "test <test@example.com>" &&
+	author_test theta "test >test@example.com>" "test <test@example.com>" &&
+	author_test iota "test < test <at> example <dot> com>" "test <unknown>" &&
+	author_test kappa "test@example.com" "Unknown <test@example.com>"
+	) &&
+
+	git clone "hg::hgrepo" gitrepo &&
+	git --git-dir=gitrepo/.git log --reverse --format="%an <%ae>" > actual &&
 
-  git clone "hg::$PWD/hgrepo" gitrepo &&
-  check gitrepo feature-a feature-a
+	test_cmp expected actual
 '
 
-test_expect_success 'cloning with detached head' '
-  test_when_finished "rm -rf gitrepo*" &&
+test_expect_success 'strip' '
+	test_when_finished "rm -rf hgrepo gitrepo" &&
+
+	(
+	hg init hgrepo &&
+	cd hgrepo &&
+
+	echo one >> content &&
+	hg add content &&
+	hg commit -m one &&
+
+	echo two >> content &&
+	hg commit -m two
+	) &&
+
+	git clone "hg::hgrepo" gitrepo &&
+
+	(
+	cd hgrepo &&
+	hg strip 1 &&
 
-  (
-  cd hgrepo &&
-  hg update -r 0
-  ) &&
+	echo three >> content &&
+	hg commit -m three &&
 
-  git clone "hg::$PWD/hgrepo" gitrepo &&
-  check gitrepo zero master
+	echo four >> content &&
+	hg commit -m four
+	) &&
+
+	(
+	cd gitrepo &&
+	git fetch &&
+	git log --format="%s" origin/master > ../actual
+	) &&
+
+	hg -R hgrepo log --template "{desc}\n" > expected &&
+	test_cmp actual expected
 '
 
-test_expect_success 'update bookmark' '
-  test_when_finished "rm -rf gitrepo*" &&
+test_expect_success 'remote push with master bookmark' '
+	test_when_finished "rm -rf hgrepo gitrepo*" &&
 
-  (
-  cd hgrepo &&
-  hg bookmark devel
-  ) &&
+	(
+	hg init hgrepo &&
+	cd hgrepo &&
+	echo zero > content &&
+	hg add content &&
+	hg commit -m zero &&
+	hg bookmark master &&
+	echo one > content &&
+	hg commit -m one
+	) &&
 
-  (
-  git clone "hg::$PWD/hgrepo" gitrepo &&
-  cd gitrepo &&
-  git checkout devel &&
-  echo devel > content &&
-  git commit -a -m devel &&
-  git push
-  ) &&
+	(
+	git clone "hg::hgrepo" gitrepo &&
+	cd gitrepo &&
+	echo two > content &&
+	git commit -a -m two &&
+	git push
+	) &&
+
+	check_branch hgrepo default two
+'
 
-  hg -R hgrepo bookmarks | egrep "devel[	 ]+3:"
+cat > expected <<EOF
+changeset:   0:6e2126489d3d
+tag:         tip
+user:        A U Thor <author@example.com>
+date:        Mon Jan 01 00:00:00 2007 +0230
+summary:     one
+
+EOF
+
+test_expect_success 'remote push from master branch' '
+	test_when_finished "rm -rf hgrepo gitrepo*" &&
+
+	hg init hgrepo &&
+
+	(
+	git init gitrepo &&
+	cd gitrepo &&
+	git remote add origin "hg::../hgrepo" &&
+	echo one > content &&
+	git add content &&
+	git commit -a -m one &&
+	git push origin master
+	) &&
+
+	hg -R hgrepo log > actual &&
+	cat actual &&
+	test_cmp expected actual &&
+
+	check_branch hgrepo default one
 '
 
-author_test () {
-  echo $1 >> content &&
-  hg commit -u "$2" -m "add $1" &&
-  echo "$3" >> ../expected
+GIT_REMOTE_HG_TEST_REMOTE=1
+export GIT_REMOTE_HG_TEST_REMOTE
+
+test_expect_success 'remote 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::hgrepo" gitrepo &&
+	check gitrepo HEAD zero
+'
+
+test_expect_success 'remote update bookmark' '
+	test_when_finished "rm -rf gitrepo*" &&
+
+	(
+	cd hgrepo &&
+	hg bookmark devel
+	) &&
+
+	(
+	git clone "hg::hgrepo" gitrepo &&
+	cd gitrepo &&
+	git checkout --quiet devel &&
+	echo devel > content &&
+	git commit -a -m devel &&
+	git push --quiet
+	) &&
+
+	check_bookmark hgrepo devel devel
+'
+
+test_expect_success 'remote new bookmark' '
+	test_when_finished "rm -rf gitrepo*" &&
+
+	(
+	git clone "hg::hgrepo" gitrepo &&
+	cd gitrepo &&
+	git checkout --quiet -b feature-b &&
+	echo feature-b > content &&
+	git commit -a -m feature-b &&
+	git push --quiet origin feature-b
+	) &&
+
+	check_bookmark hgrepo feature-b feature-b
+'
+
+test_expect_success 'remote push diverged' '
+	test_when_finished "rm -rf gitrepo*" &&
+
+	git clone "hg::hgrepo" gitrepo &&
+
+	(
+	cd hgrepo &&
+	hg checkout default &&
+	echo bump > content &&
+	hg commit -m bump
+	) &&
+
+	(
+	cd gitrepo &&
+	echo diverge > content &&
+	git commit -a -m diverged &&
+	check_push 1 <<-EOF
+	master:non-fast-forward
+	EOF
+	) &&
+
+	check_branch hgrepo default bump
+'
+
+test_expect_success 'remote update bookmark diverge' '
+	test_when_finished "rm -rf gitrepo*" &&
+
+	(
+	cd hgrepo &&
+	hg checkout tip^ &&
+	hg bookmark diverge
+	) &&
+
+	git clone "hg::hgrepo" gitrepo &&
+
+	(
+	cd hgrepo &&
+	echo "bump bookmark" > content &&
+	hg commit -m "bump bookmark"
+	) &&
+
+	(
+	cd gitrepo &&
+	git checkout --quiet diverge &&
+	echo diverge > content &&
+	git commit -a -m diverge &&
+	check_push 1 <<-EOF
+	diverge:fetch-first
+	EOF
+	) &&
+
+	check_bookmark hgrepo diverge "bump bookmark"
+'
+
+test_expect_success 'remote new bookmark multiple branch head' '
+	test_when_finished "rm -rf gitrepo*" &&
+
+	(
+	git clone "hg::hgrepo" gitrepo &&
+	cd gitrepo &&
+	git checkout --quiet -b feature-c HEAD^ &&
+	echo feature-c > content &&
+	git commit -a -m feature-c &&
+	git push --quiet origin feature-c
+	) &&
+
+	check_bookmark hgrepo feature-c feature-c
+'
+
+# cleanup previous stuff
+rm -rf hgrepo
+
+setup_big_push () {
+	(
+	hg init hgrepo &&
+	cd hgrepo &&
+	echo zero > content &&
+	hg add content &&
+	hg commit -m zero &&
+	hg bookmark bad_bmark1 &&
+	echo one > content &&
+	hg commit -m one &&
+	hg bookmark bad_bmark2 &&
+	hg bookmark good_bmark &&
+	hg bookmark -i good_bmark &&
+	hg -q branch good_branch &&
+	echo "good branch" > content &&
+	hg commit -m "good branch" &&
+	hg -q branch bad_branch &&
+	echo "bad branch" > content &&
+	hg commit -m "bad branch"
+	) &&
+
+	git clone "hg::hgrepo" gitrepo &&
+
+	(
+	cd gitrepo &&
+	echo two > content &&
+	git commit -q -a -m two &&
+
+	git checkout -q good_bmark &&
+	echo three > content &&
+	git commit -q -a -m three &&
+
+	git checkout -q bad_bmark1 &&
+	git reset --hard HEAD^ &&
+	echo four > content &&
+	git commit -q -a -m four &&
+
+	git checkout -q bad_bmark2 &&
+	git reset --hard HEAD^ &&
+	echo five > content &&
+	git commit -q -a -m five &&
+
+	git checkout -q -b new_bmark master &&
+	echo six > content &&
+	git commit -q -a -m six &&
+
+	git checkout -q branches/good_branch &&
+	echo seven > content &&
+	git commit -q -a -m seven &&
+	echo eight > content &&
+	git commit -q -a -m eight &&
+
+	git checkout -q branches/bad_branch &&
+	git reset --hard HEAD^ &&
+	echo nine > content &&
+	git commit -q -a -m nine &&
+
+	git checkout -q -b branches/new_branch master &&
+	echo ten > content &&
+	git commit -q -a -m ten
+	)
 }
 
-test_expect_success 'authors' '
-  mkdir -p tmp && cd tmp &&
-  test_when_finished "cd .. && rm -rf tmp" &&
-
-  (
-  hg init hgrepo &&
-  cd hgrepo &&
-
-  touch content &&
-  hg add content &&
-
-  author_test alpha "" "H G Wells <wells@example.com>" &&
-  author_test beta "test" "test <unknown>" &&
-  author_test beta "test <test@example.com> (comment)" "test <test@example.com>" &&
-  author_test gamma "<test@example.com>" "Unknown <test@example.com>" &&
-  author_test delta "name<test@example.com>" "name <test@example.com>" &&
-  author_test epsilon "name <test@example.com" "name <test@example.com>" &&
-  author_test zeta " test " "test <unknown>" &&
-  author_test eta "test < test@example.com >" "test <test@example.com>" &&
-  author_test theta "test >test@example.com>" "test <test@example.com>" &&
-  author_test iota "test < test <at> example <dot> com>" "test <unknown>" &&
-  author_test kappa "test@example.com" "Unknown <test@example.com>"
-  ) &&
-
-  git clone "hg::$PWD/hgrepo" gitrepo &&
-  git --git-dir=gitrepo/.git log --reverse --format="%an <%ae>" > actual &&
-
-  test_cmp expected actual
+test_expect_success 'remote big push' '
+	test_when_finished "rm -rf hgrepo gitrepo*" &&
+
+	setup_big_push
+
+	(
+	cd gitrepo &&
+
+	check_push 1 --all <<-EOF
+	master
+	good_bmark
+	branches/good_branch
+	new_bmark:new
+	branches/new_branch:new
+	bad_bmark1:non-fast-forward
+	bad_bmark2:non-fast-forward
+	branches/bad_branch:non-fast-forward
+	EOF
+	) &&
+
+	check_branch hgrepo default one &&
+	check_branch hgrepo good_branch "good branch" &&
+	check_branch hgrepo bad_branch "bad branch" &&
+	check_branch hgrepo new_branch '' &&
+	check_bookmark hgrepo good_bmark one &&
+	check_bookmark hgrepo bad_bmark1 one &&
+	check_bookmark hgrepo bad_bmark2 one &&
+	check_bookmark hgrepo new_bmark ''
+'
+
+test_expect_success 'remote big push fetch first' '
+	test_when_finished "rm -rf hgrepo gitrepo*" &&
+
+	(
+	hg init hgrepo &&
+	cd hgrepo &&
+	echo zero > content &&
+	hg add content &&
+	hg commit -m zero &&
+	hg bookmark bad_bmark &&
+	hg bookmark good_bmark &&
+	hg bookmark -i good_bmark &&
+	hg -q branch good_branch &&
+	echo "good branch" > content &&
+	hg commit -m "good branch" &&
+	hg -q branch bad_branch &&
+	echo "bad branch" > content &&
+	hg commit -m "bad branch"
+	) &&
+
+	git clone "hg::hgrepo" gitrepo &&
+
+	(
+	cd hgrepo &&
+	hg bookmark -f bad_bmark &&
+	echo update_bmark > content &&
+	hg commit -m "update bmark"
+	) &&
+
+	(
+	cd gitrepo &&
+	echo two > content &&
+	git commit -q -a -m two &&
+
+	git checkout -q good_bmark &&
+	echo three > content &&
+	git commit -q -a -m three &&
+
+	git checkout -q bad_bmark &&
+	echo four > content &&
+	git commit -q -a -m four &&
+
+	git checkout -q branches/bad_branch &&
+	echo five > content &&
+	git commit -q -a -m five &&
+
+	check_push 1 --all <<-EOF
+	master
+	good_bmark
+	new_bmark:new
+	new_branch:new
+	bad_bmark:fetch-first
+	branches/bad_branch:festch-first
+	EOF
+
+	git fetch &&
+
+	check_push 1 --all <<-EOF
+	master
+	good_bmark
+	bad_bmark:non-fast-forward
+	branches/bad_branch:non-fast-forward
+	EOF
+	)
+'
+
+test_expect_failure 'remote big push force' '
+	test_when_finished "rm -rf hgrepo gitrepo*" &&
+
+	setup_big_push
+
+	(
+	cd gitrepo &&
+
+	check_push 0 --force --all <<-EOF
+	master
+	good_bmark
+	branches/good_branch
+	new_bmark:new
+	branches/new_branch:new
+	bad_bmark1:forced-update
+	bad_bmark2:forced-update
+	branches/bad_branch:forced-update
+	EOF
+	) &&
+
+	check_branch hgrepo default six &&
+	check_branch hgrepo good_branch eight &&
+	check_branch hgrepo bad_branch nine &&
+	check_branch hgrepo new_branch ten &&
+	check_bookmark hgrepo good_bmark three &&
+	check_bookmark hgrepo bad_bmark1 four &&
+	check_bookmark hgrepo bad_bmark2 five &&
+	check_bookmark hgrepo new_bmark six
+'
+
+test_expect_failure 'remote big push dry-run' '
+	test_when_finished "rm -rf hgrepo gitrepo*" &&
+
+	setup_big_push
+
+	(
+	cd gitrepo &&
+
+	check_push 0 --dry-run --all <<-EOF
+	master
+	good_bmark
+	branches/good_branch
+	new_bmark:new
+	branches/new_branch:new
+	bad_bmark1:non-fast-forward
+	bad_bmark2:non-fast-forward
+	branches/bad_branch:non-fast-forward
+	EOF
+
+	check_push 0 --dry-run master good_bmark new_bmark branches/good_branch branches/new_branch <<-EOF
+	master
+	good_bmark
+	branches/good_branch
+	new_bmark:new
+	branches/new_branch:new
+	EOF
+	) &&
+
+	check_branch hgrepo default one &&
+	check_branch hgrepo good_branch "good branch" &&
+	check_branch hgrepo bad_branch "bad branch" &&
+	check_branch hgrepo new_branch '' &&
+	check_bookmark hgrepo good_bmark one &&
+	check_bookmark hgrepo bad_bmark1 one &&
+	check_bookmark hgrepo bad_bmark2 one &&
+	check_bookmark hgrepo new_bmark ''
+'
+
+test_expect_success 'remote double failed push' '
+	test_when_finished "rm -rf hgrepo gitrepo*" &&
+
+	(
+	hg init hgrepo &&
+	cd hgrepo &&
+	echo zero > content &&
+	hg add content &&
+	hg commit -m zero &&
+	echo one > content &&
+	hg commit -m one
+	) &&
+
+	(
+	git clone "hg::hgrepo" gitrepo &&
+	cd gitrepo &&
+	git reset --hard HEAD^ &&
+	echo two > content &&
+	git commit -a -m two &&
+	test_expect_code 1 git push &&
+	test_expect_code 1 git push
+	)
 '
 
 test_done