[PATCH 08 of 14] changelog: add support for shallowroot
Vishakh H
vsh426 at gmail.com
Fri Jul 16 02:15:16 CDT 2010
# HG changeset patch
# User Vishakh H <vsh426 at gmail.com>
# Date 1279263210 -19800
# Node ID 0218b69c65e2014af11f287cac005ffd206d45c5
# Parent 8a0c8d3600e2cbd14e2ddf5353ca58b038187be0
changelog: add support for shallowroot
cleate list of shallownodes and check if manifest node requested is available
else return null manifest id.
diff --git a/mercurial/changelog.py b/mercurial/changelog.py
--- a/mercurial/changelog.py
+++ b/mercurial/changelog.py
@@ -98,11 +98,16 @@
return o
class changelog(revlog.revlog):
- def __init__(self, opener):
- revlog.revlog.__init__(self, opener, "00changelog.i")
+ def __init__(self, opener, shallowroot):
+ revlog.revlog.__init__(self, opener, "00changelog.i",
+ shallow=shallowroot)
self._realopener = opener
self._delayed = False
self._divert = False
+ if self._shallow and shallowroot in self.nodemap:
+ self._shallownodes.add(shallowroot)
+ self._shallownodes.update(map(self.node,
+ self.descendants(self.rev(self._shallowroot))))
def delayupdate(self):
"delay visibility of index updates to other readers"
@@ -176,7 +181,10 @@
last = text.index("\n\n")
desc = encoding.tolocal(text[last + 2:])
l = text[:last].split('\n')
- manifest = bin(l[0])
+ if self._shallow and node not in self._shallownodes:
+ manifest = nullid
+ else:
+ manifest = bin(l[0])
user = encoding.tolocal(l[1])
extra_data = l[2].split(' ', 2)
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