Mercurial > public > mercurial-scm > hg-stable

comparison mercurial/revlog.py @ 94:7daef883134f

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Refactor merge code Delete old code Fix calculation of newer nodes on server Fix branch recursion on client Fix manifest merge problems Add more debugging and note messages to merge
author mpm@selenic.com
date Wed, 18 May 2005 16:29:39 -0800
parents 1b945e8ba67b
children 7a2abee6b0c2
comparison
equal deleted inserted replaced
93:0b0efe409d79 94:7daef883134f
141 if len(c) < 1: raise KeyError("No match found") 141 if len(c) < 1: raise KeyError("No match found")
142 return c[0] 142 return c[0]
143 143
144 return None 144 return None
145 145
146 def revisions(self, list):
147 # this can be optimized to do spans, etc
148 # be stupid for now
149 for node in list:
150 yield self.revision(node)
151
152 def diff(self, a, b): 146 def diff(self, a, b):
153 return mdiff.textdiff(a, b) 147 return mdiff.textdiff(a, b)
154 148
155 def patches(self, t, pl): 149 def patches(self, t, pl):
156 return mdiff.patches(t, pl) 150 return mdiff.patches(t, pl)
270 elif bn in amap: 264 elif bn in amap:
271 return bn 265 return bn
272 266
273 return nullid 267 return nullid
274 268
275 def mergedag(self, other, transaction, linkseq, accumulate = None):
276 """combine the nodes from other's DAG into ours"""
277 old = self.tip()
278 i = self.count()
279 l = []
280
281 # merge the other revision log into our DAG
282 for r in range(other.count()):
283 id = other.node(r)
284 if id not in self.nodemap:
285 (xn, yn) = other.parents(id)
286 l.append((id, xn, yn))
287 self.nodemap[id] = i
288 i += 1
289
290 # merge node date for new nodes
291 r = other.revisions([e[0] for e in l])
292 for e in l:
293 t = r.next()
294 if accumulate: accumulate(t)
295 self.addrevision(t, transaction, linkseq.next(), e[1], e[2])
296
297 # return the unmerged heads for later resolving
298 return (old, self.tip())
299
300 def group(self, linkmap): 269 def group(self, linkmap):
301 # given a list of changeset revs, return a set of deltas and 270 # given a list of changeset revs, return a set of deltas and
302 # metadata corresponding to nodes the first delta is 271 # metadata corresponding to nodes. the first delta is
303 # parent(nodes[0]) -> nodes[0] the receiver is guaranteed to 272 # parent(nodes[0]) -> nodes[0] the receiver is guaranteed to
304 # have this parent as it has all history before these 273 # have this parent as it has all history before these
305 # changesets. parent is parent[0] 274 # changesets. parent is parent[0]
306 275
307 revs = [] 276 revs = []
438 # loop through our set of deltas 407 # loop through our set of deltas
439 pos = 0 408 pos = 0
440 while pos < len(data): 409 while pos < len(data):
441 l, node, p1, p2, cs = struct.unpack(">l20s20s20s20s", 410 l, node, p1, p2, cs = struct.unpack(">l20s20s20s20s",
442 data[pos:pos+84]) 411 data[pos:pos+84])
412 link = linkmapper(cs)
443 if node in self.nodemap: 413 if node in self.nodemap:
444 raise "already have %s" % hex(node[:4]) 414 raise "already have %s" % hex(node[:4])
445 link = linkmapper(cs)
446 delta = data[pos + 84:pos + l] 415 delta = data[pos + 84:pos + l]
447 pos += l 416 pos += l
448 417
449 # full versions are inserted when the needed deltas become 418 # full versions are inserted when the needed deltas become
450 # comparable to the uncompressed text or when the previous 419 # comparable to the uncompressed text or when the previous