Merge branch 'mm/merge-in-dirty-worktree-doc' into maint

diff --git a/contrib/remote-helpers/git-remote-bzr b/contrib/remote-helpers/git-remote-bzr
index bbaaa8f6f35c0f28fec8afdda59090fb7158ba43..10300c63d1a71aecd0f8d2273d276f36773e6b1e 100755 (executable)
--- a/contrib/remote-helpers/git-remote-bzr
+++ b/contrib/remote-helpers/git-remote-bzr
@@ -31,6 +31,7 @@ import bzrlib.transport
 import bzrlib.errors
 import bzrlib.ui
 import bzrlib.urlutils
+import bzrlib.branch
 
 import sys
 import os
@@ -282,9 +283,13 @@ def export_branch(repo, name):
 
     branch.lock_read()
     revs = branch.iter_merge_sorted_revisions(None, tip, 'exclude', 'forward')
-    tip_revno = branch.revision_id_to_revno(tip)
-    last_revno, _ = branch.last_revision_info()
-    total = last_revno - tip_revno
+    try:
+        tip_revno = branch.revision_id_to_revno(tip)
+        last_revno, _ = branch.last_revision_info()
+        total = last_revno - tip_revno
+    except bzrlib.errors.NoSuchRevision:
+        tip_revno = 0
+        total = 0
 
     for revid, _, seq, _ in revs:
 
@@ -353,7 +358,10 @@ def export_branch(repo, name):
 
         progress = (revno - tip_revno)
         if (progress % 100 == 0):
-            print "progress revision %d '%s' (%d/%d)" % (revno, name, progress, total)
+            if total:
+                print "progress revision %d '%s' (%d/%d)" % (revno, name, progress, total)
+            else:
+                print "progress revision %d '%s' (%d)" % (revno, name, progress)
 
     branch.unlock()
 
@@ -682,23 +690,31 @@ def do_export(parser):
             die('unhandled export command: %s' % line)
 
     for ref, revid in parsed_refs.iteritems():
-        name = ref[len('refs/heads/'):]
-        branch = bzrlib.branch.Branch.open(branches[name])
-        branch.generate_revision_history(revid, marks.get_tip(name))
+        if ref.startswith('refs/heads/'):
+            name = ref[len('refs/heads/'):]
+            branch = bzrlib.branch.Branch.open(branches[name])
+            branch.generate_revision_history(revid, marks.get_tip(name))
 
-        if name in peers:
-            peer = bzrlib.branch.Branch.open(peers[name])
-            try:
-                peer.bzrdir.push_branch(branch, revision_id=revid)
-            except bzrlib.errors.DivergedBranches:
-                print "error %s non-fast forward" % ref
-                continue
+            if name in peers:
+                peer = bzrlib.branch.Branch.open(peers[name])
+                try:
+                    peer.bzrdir.push_branch(branch, revision_id=revid)
+                except bzrlib.errors.DivergedBranches:
+                    print "error %s non-fast forward" % ref
+                    continue
 
-        try:
-            wt = branch.bzrdir.open_workingtree()
-            wt.update()
-        except bzrlib.errors.NoWorkingTree:
-            pass
+            try:
+                wt = branch.bzrdir.open_workingtree()
+                wt.update()
+            except bzrlib.errors.NoWorkingTree:
+                pass
+        elif ref.startswith('refs/tags/'):
+            # TODO: implement tag push
+            print "error %s pushing tags not supported" % ref
+            continue
+        else:
+            # transport-helper/fast-export bugs
+            continue
 
         print "ok %s" % ref
 
@@ -773,7 +789,7 @@ def get_remote_branch(origin, remote_branch, name):
     return branch
 
 def find_branches(repo, wanted):
-    transport = repo.user_transport
+    transport = repo.bzrdir.root_transport
 
     for fn in transport.iter_files_recursive():
         if not fn.endswith('.bzr/branch-format'):
@@ -815,9 +831,21 @@ def get_repo(url, alias):
         clone_path = os.path.join(dirname, 'clone')
         if not os.path.exists(clone_path):
             os.mkdir(clone_path)
+        else:
+            # check and remove old organization
+            try:
+                bdir = bzrlib.bzrdir.BzrDir.open(clone_path)
+                bdir.destroy_repository()
+            except bzrlib.errors.NotBranchError:
+                pass
+            except bzrlib.errors.NoRepositoryPresent:
+                pass
 
     try:
         repo = origin.open_repository()
+        if not repo.user_transport.listable():
+            # this repository is not usable for us
+            raise bzrlib.errors.NoRepositoryPresent(repo.bzrdir)
     except bzrlib.errors.NoRepositoryPresent:
         # branch
 
@@ -897,7 +925,8 @@ def main(args):
     if not os.path.exists(dirname):
         os.makedirs(dirname)
 
-    bzrlib.ui.ui_factory.be_quiet(True)
+    if hasattr(bzrlib.ui.ui_factory, 'be_quiet'):
+        bzrlib.ui.ui_factory.be_quiet(True)
 
     repo = get_repo(url, alias)