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localrepo: factor updatetags() out of readtags() (issue548).

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This commit is contained in:
Greg Ward 2009-07-16 10:39:41 -04:00
parent 310d950984
commit 0a46ad48e3
1 changed files with 20 additions and 9 deletions
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29
mercurial/localrepo.py
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@ -258,10 +258,13 @@ class localrepository(repo.repository):
# be one tagtype for all such "virtual" tags? Or is the status
# quo fine?
alltags = {} # map tag name to (node, hist)
tagtypes = {}
def readtags(lines, fn):
'''Read tag definitions from a file (or any source of
lines). Return a mapping from tag name to (node, hist):
node is the node id from the last line read for that name,
and hist is the list of node ids previously associated with
it (in file order). All node ids are binary, not hex.'''
def readtags(lines, fn, tagtype):
filetags = {} # map tag name to (node, hist)
count = 0
@ -287,15 +290,21 @@ class localrepository(repo.repository):
# silently ignore as pull -r might cause this
continue
# update filetags: map tag name to (node, hist) where
# node is the node from the latest line read with
# 'name', and hist is the list of nodes previously
# associated with 'name'
# update filetags
hist = []
if name in filetags:
n, hist = filetags[name]
hist.append(n)
filetags[name] = (nodebin, hist)
return filetags
alltags = {} # map tag name to (node, hist)
tagtypes = {}
def updatetags(filetags, tagtype):
'''Incorporate the tag info read from one file into the two
dictionaries, alltags and tagtypes, that contain all tag
info (global across all heads plus local).'''
for name, nodehist in filetags.iteritems():
if name not in alltags:
@ -334,13 +343,15 @@ class localrepository(repo.repository):
# read the tags file from each head, ending with the tip
for fctx in reversed(ctxs):
readtags(fctx.data().splitlines(), fctx, "global")
filetags = readtags(fctx.data().splitlines(), fctx)
updatetags(filetags, "global")
try:
data = encoding.fromlocal(self.opener("localtags").read())
# localtags are stored in the local character set
# while the internal tag table is stored in UTF-8
readtags(data.splitlines(), "localtags", "local")
filetags = readtags(data.splitlines(), "localtags")
updatetags(filetags, "local")
except IOError:
pass