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comparison mercurial/branchmap.py @ 18121:f8a13f061a8a

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branchmap: extract updatebranchcache from repo
author Pierre-Yves David <pierre-yves.david@logilab.fr>
date Thu, 20 Dec 2012 14:45:17 +0100
parents 88990d3e3d75
children 79db6d40bced
comparison
equal deleted inserted replaced
18120:88990d3e3d75 18121:f8a13f061a8a
109 nodes = [head for head in partial[branch] 109 nodes = [head for head in partial[branch]
110 if repo.changelog.hasnode(head)] 110 if repo.changelog.hasnode(head)]
111 if not nodes: 111 if not nodes:
112 del partial[branch] 112 del partial[branch]
113 113
114 def updatecache(repo):
115 repo = repo.unfiltered() # Until we get a smarter cache management
116 cl = repo.changelog
117 tip = cl.tip()
118 if repo._branchcache is not None and repo._branchcachetip == tip:
119 return
120
121 oldtip = repo._branchcachetip
122 if oldtip is None or oldtip not in cl.nodemap:
123 partial, last, lrev = read(repo)
124 else:
125 lrev = cl.rev(oldtip)
126 partial = repo._branchcache
127
128 catip = repo._cacheabletip()
129 # if lrev == catip: cache is already up to date
130 # if lrev > catip: we have uncachable element in `partial` can't write
131 # on disk
132 if lrev < catip:
133 ctxgen = (repo[r] for r in cl.revs(lrev + 1, catip))
134 update(repo, partial, ctxgen)
135 write(repo, partial, cl.node(catip), catip)
136 lrev = catip
137 # If cacheable tip were lower than actual tip, we need to update the
138 # cache up to tip. This update (from cacheable to actual tip) is not
139 # written to disk since it's not cacheable.
140 tiprev = len(repo) - 1
141 if lrev < tiprev:
142 ctxgen = (repo[r] for r in cl.revs(lrev + 1, tiprev))
143 update(repo, partial, ctxgen)
144 repo._branchcache = partial
145 repo._branchcachetip = tip