def branchmap(repo, proto):
branchmap = phases.visiblebranchmap(repo)
heads = []
for branch, nodes in branchmap.iteritems():
branchname = urllib.quote(encoding.fromlocal(branch))
branchnodes = encodelist(nodes)
heads.append('%s %s' % (branchname, branchnodes))
return '\n'.join(heads)
def checkheads(repo, remote, outgoing, remoteheads, newbranch=False, inc=False):
"""Check that a push won't add any outgoing head
raise Abort error and display ui message as needed.
"""
if remoteheads == [nullid]:
# remote is empty, nothing to check.
return
cl = repo.changelog
if remote.capable('branchmap'):
# Check for each named branch if we're creating new remote heads.
# To be a remote head after push, node must be either:
# - unknown locally
# - a local outgoing head descended from update
# - a remote head that's known locally and not
# ancestral to an outgoing head
# 1. Create set of branches involved in the push.
branches = set(repo[n].branch() for n in outgoing.missing)
# 2. Check for new branches on the remote.
if remote.local():
remotemap = phases.visiblebranchmap(remote)
else:
remotemap = remote.branchmap()
newbranches = branches - set(remotemap)
if newbranches and not newbranch: # new branch requires --new-branch
branchnames = ', '.join(sorted(newbranches))
raise util.Abort(_("push creates new remote branches: %s!")
% branchnames,
hint=_("use 'hg push --new-branch' to create"
" new remote branches"))
branches.difference_update(newbranches)
# 3. Construct the initial oldmap and newmap dicts.
# They contain information about the remote heads before and
# after the push, respectively.
# Heads not found locally are not included in either dict,
# since they won't be affected by the push.
# unsynced contains all branches with incoming changesets.
oldmap = {}
newmap = {}
unsynced = set()
for branch in branches:
remotebrheads = remotemap[branch]
prunedbrheads = [h for h in remotebrheads if h in cl.nodemap]
oldmap[branch] = prunedbrheads
newmap[branch] = list(prunedbrheads)
if len(remotebrheads) > len(prunedbrheads):
unsynced.add(branch)
# 4. Update newmap with outgoing changes.
# This will possibly add new heads and remove existing ones.
ctxgen = (repo[n] for n in outgoing.missing)
repo._updatebranchcache(newmap, ctxgen)
else:
# 1-4b. old servers: Check for new topological heads.
# Construct {old,new}map with branch = None (topological branch).
# (code based on _updatebranchcache)
oldheads = set(h for h in remoteheads if h in cl.nodemap)
newheads = oldheads.union(outgoing.missing)
if len(newheads) > 1:
for latest in reversed(outgoing.missing):
if latest not in newheads:
continue
minhrev = min(cl.rev(h) for h in newheads)
reachable = cl.reachable(latest, cl.node(minhrev))
reachable.remove(latest)
newheads.difference_update(reachable)
branches = set([None])
newmap = {None: newheads}
oldmap = {None: oldheads}
unsynced = inc and branches or set()
# 5. Check for new heads.
# If there are more heads after the push than before, a suitable
# error message, depending on unsynced status, is displayed.
error = None
for branch in branches:
newhs = set(newmap[branch])
oldhs = set(oldmap[branch])
if len(newhs) > len(oldhs):
dhs = list(newhs - oldhs)
if error is None:
if branch not in ('default', None):
error = _("push creates new remote head %s "
"on branch '%s'!") % (short(dhs[0]), branch)
else:
error = _("push creates new remote head %s!"
) % short(dhs[0])
if branch in unsynced:
hint = _("you should pull and merge or "
"use push -f to force")
else:
hint = _("did you forget to merge? "
"use push -f to force")
if branch is not None:
repo.ui.note(_("new remote heads on branch '%s'\n") % branch)
for h in dhs:
repo.ui.note(_("new remote head %s\n") % short(h))
if error:
raise util.Abort(error, hint=hint)
# 6. Check for unsynced changes on involved branches.
if unsynced:
repo.ui.warn(_("note: unsynced remote changes!\n"))
def checkheads(repo,
remote,
outgoing,
remoteheads,
newbranch=False,
inc=False):
"""Check that a push won't add any outgoing head
raise Abort error and display ui message as needed.
"""
if remoteheads == [nullid]:
# remote is empty, nothing to check.
return
cl = repo.changelog
if remote.capable('branchmap'):
# Check for each named branch if we're creating new remote heads.
# To be a remote head after push, node must be either:
# - unknown locally
# - a local outgoing head descended from update
# - a remote head that's known locally and not
# ancestral to an outgoing head
# 1. Create set of branches involved in the push.
branches = set(repo[n].branch() for n in outgoing.missing)
# 2. Check for new branches on the remote.
if remote.local():
remotemap = phases.visiblebranchmap(remote)
else:
remotemap = remote.branchmap()
newbranches = branches - set(remotemap)
if newbranches and not newbranch: # new branch requires --new-branch
branchnames = ', '.join(sorted(newbranches))
raise util.Abort(_("push creates new remote branches: %s!") %
branchnames,
hint=_("use 'hg push --new-branch' to create"
" new remote branches"))
branches.difference_update(newbranches)
# 3. Construct the initial oldmap and newmap dicts.
# They contain information about the remote heads before and
# after the push, respectively.
# Heads not found locally are not included in either dict,
# since they won't be affected by the push.
# unsynced contains all branches with incoming changesets.
oldmap = {}
newmap = {}
unsynced = set()
for branch in branches:
remotebrheads = remotemap[branch]
prunedbrheads = [h for h in remotebrheads if h in cl.nodemap]
oldmap[branch] = prunedbrheads
newmap[branch] = list(prunedbrheads)
if len(remotebrheads) > len(prunedbrheads):
unsynced.add(branch)
# 4. Update newmap with outgoing changes.
# This will possibly add new heads and remove existing ones.
ctxgen = (repo[n] for n in outgoing.missing)
repo._updatebranchcache(newmap, ctxgen)
else:
# 1-4b. old servers: Check for new topological heads.
# Construct {old,new}map with branch = None (topological branch).
# (code based on _updatebranchcache)
oldheads = set(h for h in remoteheads if h in cl.nodemap)
newheads = oldheads.union(outgoing.missing)
if len(newheads) > 1:
for latest in reversed(outgoing.missing):
if latest not in newheads:
continue
minhrev = min(cl.rev(h) for h in newheads)
reachable = cl.reachable(latest, cl.node(minhrev))
reachable.remove(latest)
newheads.difference_update(reachable)
branches = set([None])
newmap = {None: newheads}
oldmap = {None: oldheads}
unsynced = inc and branches or set()
# 5. Check for new heads.
# If there are more heads after the push than before, a suitable
# error message, depending on unsynced status, is displayed.
error = None
for branch in branches:
newhs = set(newmap[branch])
oldhs = set(oldmap[branch])
if len(newhs) > len(oldhs):
dhs = list(newhs - oldhs)
if error is None:
if branch not in ('default', None):
error = _("push creates new remote head %s "
"on branch '%s'!") % (short(dhs[0]), branch)
else:
error = _("push creates new remote head %s!") % short(
dhs[0])
if branch in unsynced:
hint = _("you should pull and merge or "
"use push -f to force")
else:
hint = _("did you forget to merge? "
"use push -f to force")
if branch is not None:
repo.ui.note(_("new remote heads on branch '%s'\n") % branch)
for h in dhs:
repo.ui.note(_("new remote head %s\n") % short(h))
if error:
raise util.Abort(error, hint=hint)
# 6. Check for unsynced changes on involved branches.
if unsynced:
repo.ui.warn(_("note: unsynced remote changes!\n"))
