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comparison mercurial/merge.py @ 3315:38be819a1225

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merge: update some docstrings
author Matt Mackall <mpm@selenic.com>
date Tue, 10 Oct 2006 02:31:02 -0500
parents b16456909a0a
children 39fd6e82ea38
comparison
equal deleted inserted replaced
3314:b16456909a0a 3315:38be819a1225
11 demandload(globals(), "errno util os tempfile") 11 demandload(globals(), "errno util os tempfile")
12 12
13 def filemerge(repo, fw, fo, wctx, mctx): 13 def filemerge(repo, fw, fo, wctx, mctx):
14 """perform a 3-way merge in the working directory 14 """perform a 3-way merge in the working directory
15 15
16 fw = filename in the working directory and first parent 16 fw = filename in the working directory
17 fo = filename in other parent 17 fo = filename in other parent
18 wctx, mctx = working and merge changecontexts 18 wctx, mctx = working and merge changecontexts
19
20 TODO:
21 if fw is copied in the working directory, we get confused
22 implement move and fd
23 """ 19 """
24 20
25 def temp(prefix, ctx): 21 def temp(prefix, ctx):
26 pre = "%s~%s." % (os.path.basename(ctx.path()), prefix) 22 pre = "%s~%s." % (os.path.basename(ctx.path()), prefix)
27 (fd, name) = tempfile.mkstemp(prefix=pre) 23 (fd, name) = tempfile.mkstemp(prefix=pre)
62 os.unlink(b) 58 os.unlink(b)
63 os.unlink(c) 59 os.unlink(c)
64 return r 60 return r
65 61
66 def checkunknown(wctx, mctx): 62 def checkunknown(wctx, mctx):
67 """ 63 "check for collisions between unknown files and files in mctx"
68 check for collisions between unknown files and files in m2
69 """
70 man = mctx.manifest() 64 man = mctx.manifest()
71 for f in wctx.unknown(): 65 for f in wctx.unknown():
72 if f in man: 66 if f in man:
73 if mctx.filectx(f).cmp(wctx.filectx(f).data()): 67 if mctx.filectx(f).cmp(wctx.filectx(f).data()):
74 raise util.Abort(_("'%s' already exists in the working" 68 raise util.Abort(_("'%s' already exists in the working"
92 action.append((f, "f")) 86 action.append((f, "f"))
93 87
94 return action 88 return action
95 89
96 def nonoverlap(d1, d2): 90 def nonoverlap(d1, d2):
97 """ 91 "Return list of elements in d1 not in d2"
98 Return list of elements in d1 not in d2
99 """
100 92
101 l = [] 93 l = []
102 for d in d1: 94 for d in d1:
103 if d not in d2: 95 if d not in d2:
104 l.append(d) 96 l.append(d)
105 97
106 l.sort() 98 l.sort()
107 return l 99 return l
108 100
109 def findold(fctx, limit): 101 def findold(fctx, limit):
110 """ 102 "find files that path was copied from, back to linkrev limit"
111 find files that path was copied from, back to linkrev limit
112 """
113 103
114 old = {} 104 old = {}
115 orig = fctx.path() 105 orig = fctx.path()
116 visit = [fctx] 106 visit = [fctx]
117 while visit: 107 while visit:
172 162
173 return copy 163 return copy
174 164
175 def manifestmerge(repo, p1, p2, pa, overwrite, partial): 165 def manifestmerge(repo, p1, p2, pa, overwrite, partial):
176 """ 166 """
177 Merge manifest m1 with m2 using ancestor ma and generate merge action list 167 Merge p1 and p2 with ancestor ma and generate merge action list
168
169 overwrite = whether we clobber working files
170 partial = function to filter file lists
178 """ 171 """
179 172
180 repo.ui.note(_("resolving manifests\n")) 173 repo.ui.note(_("resolving manifests\n"))
181 repo.ui.debug(_(" overwrite %s partial %s\n") % (overwrite, bool(partial))) 174 repo.ui.debug(_(" overwrite %s partial %s\n") % (overwrite, bool(partial)))
182 repo.ui.debug(_(" ancestor %s local %s remote %s\n") % (pa, p1, p2)) 175 repo.ui.debug(_(" ancestor %s local %s remote %s\n") % (pa, p1, p2))
273 act("remote created", "g", f, m2.execf(f)) 266 act("remote created", "g", f, m2.execf(f))
274 267
275 return action 268 return action
276 269
277 def applyupdates(repo, action, wctx, mctx): 270 def applyupdates(repo, action, wctx, mctx):
271 "apply the merge action list to the working directory"
272
278 updated, merged, removed, unresolved = 0, 0, 0, 0 273 updated, merged, removed, unresolved = 0, 0, 0, 0
279 action.sort() 274 action.sort()
280 for a in action: 275 for a in action:
281 f, m = a[:2] 276 f, m = a[:2]
282 if f[0] == "/": 277 if f[0] == "/":
317 util.set_exec(repo.wjoin(f), flag) 312 util.set_exec(repo.wjoin(f), flag)
318 313
319 return updated, merged, removed, unresolved 314 return updated, merged, removed, unresolved
320 315
321 def recordupdates(repo, action, branchmerge, mctx): 316 def recordupdates(repo, action, branchmerge, mctx):
317 "record merge actions to the dirstate"
318
322 for a in action: 319 for a in action:
323 f, m = a[:2] 320 f, m = a[:2]
324 if m == "r": # remove 321 if m == "r": # remove
325 if branchmerge: 322 if branchmerge:
326 repo.dirstate.update([f], 'r') 323 repo.dirstate.update([f], 'r')
355 else: 352 else:
356 repo.dirstate.copy(f2, fd) 353 repo.dirstate.copy(f2, fd)
357 354
358 def update(repo, node, branchmerge=False, force=False, partial=None, 355 def update(repo, node, branchmerge=False, force=False, partial=None,
359 wlock=None, show_stats=True, remind=True): 356 wlock=None, show_stats=True, remind=True):
357 """
358 Perform a merge between the working directory and the given node
359
360 branchmerge = whether to merge between branches
361 force = whether to force branch merging or file overwriting
362 partial = a function to filter file lists (dirstate not updated)
363 wlock = working dir lock, if already held
364 show_stats = whether to report merge statistics
365 remind = whether to remind about merge
366 """
360 367
361 if not wlock: 368 if not wlock:
362 wlock = repo.wlock() 369 wlock = repo.wlock()
363 370
364 overwrite = force and not branchmerge 371 overwrite = force and not branchmerge