Mercurial > hg
changeset 19625:6a411a06cb1f
revlog: pass node as an argument of addrevision
This change will allow revlog subclasses that override 'checkhash' method
to use custom strategy of computing nodeids without overriding 'addrevision'
method. In particular this change is necessary to implement manifest
compression.
| author | Wojciech Lopata <lopek@fb.com> |
|---|---|
| date | Mon, 19 Aug 2013 11:25:23 -0700 |
| parents | 55749cb14d24 |
| children | cf6b086d64cc |
| files | mercurial/revlog.py |
| diffstat | 1 files changed, 6 insertions(+), 2 deletions(-) [+] |
line wrap: on
line diff
--- a/mercurial/revlog.py Mon Aug 19 11:06:38 2013 -0700 +++ b/mercurial/revlog.py Mon Aug 19 11:25:23 2013 -0700 @@ -993,7 +993,8 @@ tr.replace(self.indexfile, trindex * self._io.size) self._chunkclear() - def addrevision(self, text, transaction, link, p1, p2, cachedelta=None): + def addrevision(self, text, transaction, link, p1, p2, cachedelta=None, + node=None): """add a revision to the log text - the revision data to add @@ -1001,11 +1002,14 @@ link - the linkrev data to add p1, p2 - the parent nodeids of the revision cachedelta - an optional precomputed delta + node - nodeid of revision; typically node is not specified, and it is + computed by default as hash(text, p1, p2), however subclasses might + use different hashing method (and override checkhash() in such case) """ if link == nullrev: raise RevlogError(_("attempted to add linkrev -1 to %s") % self.indexfile) - node = hash(text, p1, p2) + node = node or hash(text, p1, p2) if node in self.nodemap: return node