def findcommonincoming(repo, remote, heads=None, force=False):
"""Return a tuple (common, anyincoming, heads) used to identify the common
subset of nodes between repo and remote.
"common" is a list of (at least) the heads of the common subset.
"anyincoming" is testable as a boolean indicating if any nodes are missing
locally. If remote does not support getbundle, this actually is a list of
roots of the nodes that would be incoming, to be supplied to
changegroupsubset. No code except for pull should be relying on this fact
any longer.
"heads" is either the supplied heads, or else the remote's heads.
If you pass heads and they are all known locally, the reponse lists justs
these heads in "common" and in "heads".
Please use findcommonoutgoing to compute the set of outgoing nodes to give
extensions a good hook into outgoing.
"""
if not remote.capable("getbundle"):
return treediscovery.findcommonincoming(repo, remote, heads, force)
if heads:
allknown = True
nm = repo.changelog.nodemap
for h in heads:
if nm.get(h) is None:
allknown = False
break
if allknown:
return (heads, False, heads)
res = setdiscovery.findcommonheads(repo.ui, repo, remote, abortwhenunrelated=not force)
common, anyinc, srvheads = res
return (list(common), anyinc, heads or list(srvheads))
def findcommonincoming(repo, remote, heads=None, force=False):
"""Return a tuple (common, anyincoming, heads) used to identify the common
subset of nodes between repo and remote.
"common" is a list of (at least) the heads of the common subset.
"anyincoming" is testable as a boolean indicating if any nodes are missing
locally. If remote does not support getbundle, this actually is a list of
roots of the nodes that would be incoming, to be supplied to
changegroupsubset. No code except for pull should be relying on this fact
any longer.
"heads" is either the supplied heads, or else the remote's heads.
If you pass heads and they are all known locally, the response lists just
these heads in "common" and in "heads".
Please use findcommonoutgoing to compute the set of outgoing nodes to give
extensions a good hook into outgoing.
"""
if not remote.capable('getbundle'):
return treediscovery.findcommonincoming(repo, remote, heads, force)
if heads:
allknown = True
knownnode = repo.changelog.hasnode # no nodemap until it is filtered
for h in heads:
if not knownnode(h):
allknown = False
break
if allknown:
return (heads, False, heads)
res = setdiscovery.findcommonheads(repo.ui,
repo,
remote,
abortwhenunrelated=not force)
common, anyinc, srvheads = res
return (list(common), anyinc, heads or list(srvheads))
