Mercurial > public > mercurial-scm > hg-stable
comparison mercurial/localrepo.py @ 23775:885c0290f7d5
localrepo: add ignoremissing parameter to branchtip
Previously, in the namespaces api, the only caller of branchtip was singlenode
which happened to raise the same exception that branchtip raised: KeyError.
This is a minor change but will allow upcoming patches to use repo.branchtip to
not raise an exception if a branch doesn't exist. After that, it will be
possible for extensions to use the namespace api in a stable way.
| author | Sean Farley <sean.michael.farley@gmail.com> |
|---|---|
| date | Thu, 16 Oct 2014 21:49:28 -0700 |
| parents | a387b0390082 |
| children | 99e125626352 |
comparison
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| 23774:b9537ee87961 | 23775:885c0290f7d5 |
|---|---|
| 716 '''returns a dictionary {branch: [branchheads]} with branchheads | 716 '''returns a dictionary {branch: [branchheads]} with branchheads |
| 717 ordered by increasing revision number''' | 717 ordered by increasing revision number''' |
| 718 branchmap.updatecache(self) | 718 branchmap.updatecache(self) |
| 719 return self._branchcaches[self.filtername] | 719 return self._branchcaches[self.filtername] |
| 720 | 720 |
| 721 def branchtip(self, branch): | 721 def branchtip(self, branch, ignoremissing=False): |
| 722 '''return the tip node for a given branch''' | 722 '''return the tip node for a given branch |
| 723 | |
| 724 If ignoremissing is True, then this method will not raise an error. | |
| 725 This is helpful for callers that only expect None for a missing branch | |
| 726 (e.g. namespace). | |
| 727 | |
| 728 ''' | |
| 723 try: | 729 try: |
| 724 return self.branchmap().branchtip(branch) | 730 return self.branchmap().branchtip(branch) |
| 725 except KeyError: | 731 except KeyError: |
| 726 raise error.RepoLookupError(_("unknown branch '%s'") % branch) | 732 if not ignoremissing: |
| 733 raise error.RepoLookupError(_("unknown branch '%s'") % branch) | |
| 734 else: | |
| 735 pass | |
| 727 | 736 |
| 728 def lookup(self, key): | 737 def lookup(self, key): |
| 729 return self[key].node() | 738 return self[key].node() |
| 730 | 739 |
| 731 def lookupbranch(self, key, remote=None): | 740 def lookupbranch(self, key, remote=None): |