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@@ -1,968 +1,974 b'' | |||||
1 | # copies.py - copy detection for Mercurial |
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1 | # copies.py - copy detection for Mercurial | |
2 | # |
|
2 | # | |
3 | # Copyright 2008 Matt Mackall <mpm@selenic.com> |
|
3 | # Copyright 2008 Matt Mackall <mpm@selenic.com> | |
4 | # |
|
4 | # | |
5 | # This software may be used and distributed according to the terms of the |
|
5 | # This software may be used and distributed according to the terms of the | |
6 | # GNU General Public License version 2 or any later version. |
|
6 | # GNU General Public License version 2 or any later version. | |
7 |
|
7 | |||
8 | from __future__ import absolute_import |
|
8 | from __future__ import absolute_import | |
9 |
|
9 | |||
10 | import collections |
|
10 | import collections | |
11 | import heapq |
|
11 | import heapq | |
12 | import os |
|
12 | import os | |
13 |
|
13 | |||
14 | from .i18n import _ |
|
14 | from .i18n import _ | |
15 |
|
15 | |||
16 |
|
16 | |||
17 | from .revlogutils.flagutil import REVIDX_SIDEDATA |
|
17 | from .revlogutils.flagutil import REVIDX_SIDEDATA | |
18 |
|
18 | |||
19 | from . import ( |
|
19 | from . import ( | |
20 | error, |
|
20 | error, | |
21 | match as matchmod, |
|
21 | match as matchmod, | |
22 | node, |
|
22 | node, | |
23 | pathutil, |
|
23 | pathutil, | |
24 | pycompat, |
|
24 | pycompat, | |
25 | util, |
|
25 | util, | |
26 | ) |
|
26 | ) | |
27 |
|
27 | |||
28 | from .revlogutils import sidedata as sidedatamod |
|
28 | from .revlogutils import sidedata as sidedatamod | |
29 |
|
29 | |||
30 | from .utils import stringutil |
|
30 | from .utils import stringutil | |
31 |
|
31 | |||
32 |
|
32 | |||
33 | def _filter(src, dst, t): |
|
33 | def _filter(src, dst, t): | |
34 | """filters out invalid copies after chaining""" |
|
34 | """filters out invalid copies after chaining""" | |
35 |
|
35 | |||
36 | # When _chain()'ing copies in 'a' (from 'src' via some other commit 'mid') |
|
36 | # When _chain()'ing copies in 'a' (from 'src' via some other commit 'mid') | |
37 | # with copies in 'b' (from 'mid' to 'dst'), we can get the different cases |
|
37 | # with copies in 'b' (from 'mid' to 'dst'), we can get the different cases | |
38 | # in the following table (not including trivial cases). For example, case 2 |
|
38 | # in the following table (not including trivial cases). For example, case 2 | |
39 | # is where a file existed in 'src' and remained under that name in 'mid' and |
|
39 | # is where a file existed in 'src' and remained under that name in 'mid' and | |
40 | # then was renamed between 'mid' and 'dst'. |
|
40 | # then was renamed between 'mid' and 'dst'. | |
41 | # |
|
41 | # | |
42 | # case src mid dst result |
|
42 | # case src mid dst result | |
43 | # 1 x y - - |
|
43 | # 1 x y - - | |
44 | # 2 x y y x->y |
|
44 | # 2 x y y x->y | |
45 | # 3 x y x - |
|
45 | # 3 x y x - | |
46 | # 4 x y z x->z |
|
46 | # 4 x y z x->z | |
47 | # 5 - x y - |
|
47 | # 5 - x y - | |
48 | # 6 x x y x->y |
|
48 | # 6 x x y x->y | |
49 | # |
|
49 | # | |
50 | # _chain() takes care of chaining the copies in 'a' and 'b', but it |
|
50 | # _chain() takes care of chaining the copies in 'a' and 'b', but it | |
51 | # cannot tell the difference between cases 1 and 2, between 3 and 4, or |
|
51 | # cannot tell the difference between cases 1 and 2, between 3 and 4, or | |
52 | # between 5 and 6, so it includes all cases in its result. |
|
52 | # between 5 and 6, so it includes all cases in its result. | |
53 | # Cases 1, 3, and 5 are then removed by _filter(). |
|
53 | # Cases 1, 3, and 5 are then removed by _filter(). | |
54 |
|
54 | |||
55 | for k, v in list(t.items()): |
|
55 | for k, v in list(t.items()): | |
56 | # remove copies from files that didn't exist |
|
56 | # remove copies from files that didn't exist | |
57 | if v not in src: |
|
57 | if v not in src: | |
58 | del t[k] |
|
58 | del t[k] | |
59 | # remove criss-crossed copies |
|
59 | # remove criss-crossed copies | |
60 | elif k in src and v in dst: |
|
60 | elif k in src and v in dst: | |
61 | del t[k] |
|
61 | del t[k] | |
62 | # remove copies to files that were then removed |
|
62 | # remove copies to files that were then removed | |
63 | elif k not in dst: |
|
63 | elif k not in dst: | |
64 | del t[k] |
|
64 | del t[k] | |
65 |
|
65 | |||
66 |
|
66 | |||
67 | def _chain(a, b): |
|
67 | def _chain(a, b): | |
68 | """chain two sets of copies 'a' and 'b'""" |
|
68 | """chain two sets of copies 'a' and 'b'""" | |
69 | t = a.copy() |
|
69 | t = a.copy() | |
70 | for k, v in pycompat.iteritems(b): |
|
70 | for k, v in pycompat.iteritems(b): | |
71 | if v in t: |
|
71 | if v in t: | |
72 | t[k] = t[v] |
|
72 | t[k] = t[v] | |
73 | else: |
|
73 | else: | |
74 | t[k] = v |
|
74 | t[k] = v | |
75 | return t |
|
75 | return t | |
76 |
|
76 | |||
77 |
|
77 | |||
78 | def _tracefile(fctx, am, basemf): |
|
78 | def _tracefile(fctx, am, basemf): | |
79 | """return file context that is the ancestor of fctx present in ancestor |
|
79 | """return file context that is the ancestor of fctx present in ancestor | |
80 | manifest am |
|
80 | manifest am | |
81 |
|
81 | |||
82 | Note: we used to try and stop after a given limit, however checking if that |
|
82 | Note: we used to try and stop after a given limit, however checking if that | |
83 | limit is reached turned out to be very expensive. we are better off |
|
83 | limit is reached turned out to be very expensive. we are better off | |
84 | disabling that feature.""" |
|
84 | disabling that feature.""" | |
85 |
|
85 | |||
86 | for f in fctx.ancestors(): |
|
86 | for f in fctx.ancestors(): | |
87 | path = f.path() |
|
87 | path = f.path() | |
88 | if am.get(path, None) == f.filenode(): |
|
88 | if am.get(path, None) == f.filenode(): | |
89 | return path |
|
89 | return path | |
90 | if basemf and basemf.get(path, None) == f.filenode(): |
|
90 | if basemf and basemf.get(path, None) == f.filenode(): | |
91 | return path |
|
91 | return path | |
92 |
|
92 | |||
93 |
|
93 | |||
94 | def _dirstatecopies(repo, match=None): |
|
94 | def _dirstatecopies(repo, match=None): | |
95 | ds = repo.dirstate |
|
95 | ds = repo.dirstate | |
96 | c = ds.copies().copy() |
|
96 | c = ds.copies().copy() | |
97 | for k in list(c): |
|
97 | for k in list(c): | |
98 | if ds[k] not in b'anm' or (match and not match(k)): |
|
98 | if ds[k] not in b'anm' or (match and not match(k)): | |
99 | del c[k] |
|
99 | del c[k] | |
100 | return c |
|
100 | return c | |
101 |
|
101 | |||
102 |
|
102 | |||
103 | def _computeforwardmissing(a, b, match=None): |
|
103 | def _computeforwardmissing(a, b, match=None): | |
104 | """Computes which files are in b but not a. |
|
104 | """Computes which files are in b but not a. | |
105 | This is its own function so extensions can easily wrap this call to see what |
|
105 | This is its own function so extensions can easily wrap this call to see what | |
106 | files _forwardcopies is about to process. |
|
106 | files _forwardcopies is about to process. | |
107 | """ |
|
107 | """ | |
108 | ma = a.manifest() |
|
108 | ma = a.manifest() | |
109 | mb = b.manifest() |
|
109 | mb = b.manifest() | |
110 | return mb.filesnotin(ma, match=match) |
|
110 | return mb.filesnotin(ma, match=match) | |
111 |
|
111 | |||
112 |
|
112 | |||
113 | def usechangesetcentricalgo(repo): |
|
113 | def usechangesetcentricalgo(repo): | |
114 | """Checks if we should use changeset-centric copy algorithms""" |
|
114 | """Checks if we should use changeset-centric copy algorithms""" | |
115 | if repo.filecopiesmode == b'changeset-sidedata': |
|
115 | if repo.filecopiesmode == b'changeset-sidedata': | |
116 | return True |
|
116 | return True | |
117 | readfrom = repo.ui.config(b'experimental', b'copies.read-from') |
|
117 | readfrom = repo.ui.config(b'experimental', b'copies.read-from') | |
118 | changesetsource = (b'changeset-only', b'compatibility') |
|
118 | changesetsource = (b'changeset-only', b'compatibility') | |
119 | return readfrom in changesetsource |
|
119 | return readfrom in changesetsource | |
120 |
|
120 | |||
121 |
|
121 | |||
122 | def _committedforwardcopies(a, b, base, match): |
|
122 | def _committedforwardcopies(a, b, base, match): | |
123 | """Like _forwardcopies(), but b.rev() cannot be None (working copy)""" |
|
123 | """Like _forwardcopies(), but b.rev() cannot be None (working copy)""" | |
124 | # files might have to be traced back to the fctx parent of the last |
|
124 | # files might have to be traced back to the fctx parent of the last | |
125 | # one-side-only changeset, but not further back than that |
|
125 | # one-side-only changeset, but not further back than that | |
126 | repo = a._repo |
|
126 | repo = a._repo | |
127 |
|
127 | |||
128 | if usechangesetcentricalgo(repo): |
|
128 | if usechangesetcentricalgo(repo): | |
129 | return _changesetforwardcopies(a, b, match) |
|
129 | return _changesetforwardcopies(a, b, match) | |
130 |
|
130 | |||
131 | debug = repo.ui.debugflag and repo.ui.configbool(b'devel', b'debug.copies') |
|
131 | debug = repo.ui.debugflag and repo.ui.configbool(b'devel', b'debug.copies') | |
132 | dbg = repo.ui.debug |
|
132 | dbg = repo.ui.debug | |
133 | if debug: |
|
133 | if debug: | |
134 | dbg(b'debug.copies: looking into rename from %s to %s\n' % (a, b)) |
|
134 | dbg(b'debug.copies: looking into rename from %s to %s\n' % (a, b)) | |
135 | am = a.manifest() |
|
135 | am = a.manifest() | |
136 | basemf = None if base is None else base.manifest() |
|
136 | basemf = None if base is None else base.manifest() | |
137 |
|
137 | |||
138 | # find where new files came from |
|
138 | # find where new files came from | |
139 | # we currently don't try to find where old files went, too expensive |
|
139 | # we currently don't try to find where old files went, too expensive | |
140 | # this means we can miss a case like 'hg rm b; hg cp a b' |
|
140 | # this means we can miss a case like 'hg rm b; hg cp a b' | |
141 | cm = {} |
|
141 | cm = {} | |
142 |
|
142 | |||
143 | # Computing the forward missing is quite expensive on large manifests, since |
|
143 | # Computing the forward missing is quite expensive on large manifests, since | |
144 | # it compares the entire manifests. We can optimize it in the common use |
|
144 | # it compares the entire manifests. We can optimize it in the common use | |
145 | # case of computing what copies are in a commit versus its parent (like |
|
145 | # case of computing what copies are in a commit versus its parent (like | |
146 | # during a rebase or histedit). Note, we exclude merge commits from this |
|
146 | # during a rebase or histedit). Note, we exclude merge commits from this | |
147 | # optimization, since the ctx.files() for a merge commit is not correct for |
|
147 | # optimization, since the ctx.files() for a merge commit is not correct for | |
148 | # this comparison. |
|
148 | # this comparison. | |
149 | forwardmissingmatch = match |
|
149 | forwardmissingmatch = match | |
150 | if b.p1() == a and b.p2().node() == node.nullid: |
|
150 | if b.p1() == a and b.p2().node() == node.nullid: | |
151 | filesmatcher = matchmod.exact(b.files()) |
|
151 | filesmatcher = matchmod.exact(b.files()) | |
152 | forwardmissingmatch = matchmod.intersectmatchers(match, filesmatcher) |
|
152 | forwardmissingmatch = matchmod.intersectmatchers(match, filesmatcher) | |
153 | missing = _computeforwardmissing(a, b, match=forwardmissingmatch) |
|
153 | missing = _computeforwardmissing(a, b, match=forwardmissingmatch) | |
154 |
|
154 | |||
155 | ancestrycontext = a._repo.changelog.ancestors([b.rev()], inclusive=True) |
|
155 | ancestrycontext = a._repo.changelog.ancestors([b.rev()], inclusive=True) | |
156 |
|
156 | |||
157 | if debug: |
|
157 | if debug: | |
158 | dbg(b'debug.copies: missing files to search: %d\n' % len(missing)) |
|
158 | dbg(b'debug.copies: missing files to search: %d\n' % len(missing)) | |
159 |
|
159 | |||
160 | for f in sorted(missing): |
|
160 | for f in sorted(missing): | |
161 | if debug: |
|
161 | if debug: | |
162 | dbg(b'debug.copies: tracing file: %s\n' % f) |
|
162 | dbg(b'debug.copies: tracing file: %s\n' % f) | |
163 | fctx = b[f] |
|
163 | fctx = b[f] | |
164 | fctx._ancestrycontext = ancestrycontext |
|
164 | fctx._ancestrycontext = ancestrycontext | |
165 |
|
165 | |||
166 | if debug: |
|
166 | if debug: | |
167 | start = util.timer() |
|
167 | start = util.timer() | |
168 | opath = _tracefile(fctx, am, basemf) |
|
168 | opath = _tracefile(fctx, am, basemf) | |
169 | if opath: |
|
169 | if opath: | |
170 | if debug: |
|
170 | if debug: | |
171 | dbg(b'debug.copies: rename of: %s\n' % opath) |
|
171 | dbg(b'debug.copies: rename of: %s\n' % opath) | |
172 | cm[f] = opath |
|
172 | cm[f] = opath | |
173 | if debug: |
|
173 | if debug: | |
174 | dbg( |
|
174 | dbg( | |
175 | b'debug.copies: time: %f seconds\n' |
|
175 | b'debug.copies: time: %f seconds\n' | |
176 | % (util.timer() - start) |
|
176 | % (util.timer() - start) | |
177 | ) |
|
177 | ) | |
178 | return cm |
|
178 | return cm | |
179 |
|
179 | |||
180 |
|
180 | |||
181 | def _revinfogetter(repo): |
|
181 | def _revinfogetter(repo): | |
182 | """return a function that return multiple data given a <rev>"i |
|
182 | """return a function that return multiple data given a <rev>"i | |
183 |
|
183 | |||
184 | * p1: revision number of first parent |
|
184 | * p1: revision number of first parent | |
185 | * p2: revision number of first parent |
|
185 | * p2: revision number of first parent | |
186 | * p1copies: mapping of copies from p1 |
|
186 | * p1copies: mapping of copies from p1 | |
187 | * p2copies: mapping of copies from p2 |
|
187 | * p2copies: mapping of copies from p2 | |
188 | * removed: a list of removed files |
|
188 | * removed: a list of removed files | |
189 | """ |
|
189 | """ | |
190 | cl = repo.changelog |
|
190 | cl = repo.changelog | |
191 | parents = cl.parentrevs |
|
191 | parents = cl.parentrevs | |
192 |
|
192 | |||
193 | if repo.filecopiesmode == b'changeset-sidedata': |
|
193 | if repo.filecopiesmode == b'changeset-sidedata': | |
194 | changelogrevision = cl.changelogrevision |
|
194 | changelogrevision = cl.changelogrevision | |
|
195 | flags = cl.flags | |||
195 |
|
196 | |||
196 | def revinfo(rev): |
|
197 | def revinfo(rev): | |
197 | p1, p2 = parents(rev) |
|
198 | p1, p2 = parents(rev) | |
198 | c = changelogrevision(rev) |
|
199 | if flags(rev) & REVIDX_SIDEDATA: | |
199 | p1copies = c.p1copies |
|
200 | c = changelogrevision(rev) | |
200 |
|
|
201 | p1copies = c.p1copies | |
201 | removed = c.filesremoved |
|
202 | p2copies = c.p2copies | |
|
203 | removed = c.filesremoved | |||
|
204 | else: | |||
|
205 | p1copies = {} | |||
|
206 | p2copies = {} | |||
|
207 | removed = () | |||
202 | return p1, p2, p1copies, p2copies, removed |
|
208 | return p1, p2, p1copies, p2copies, removed | |
203 |
|
209 | |||
204 | else: |
|
210 | else: | |
205 |
|
211 | |||
206 | def revinfo(rev): |
|
212 | def revinfo(rev): | |
207 | p1, p2 = parents(rev) |
|
213 | p1, p2 = parents(rev) | |
208 | ctx = repo[rev] |
|
214 | ctx = repo[rev] | |
209 | p1copies, p2copies = ctx._copies |
|
215 | p1copies, p2copies = ctx._copies | |
210 | removed = ctx.filesremoved() |
|
216 | removed = ctx.filesremoved() | |
211 | return p1, p2, p1copies, p2copies, removed |
|
217 | return p1, p2, p1copies, p2copies, removed | |
212 |
|
218 | |||
213 | return revinfo |
|
219 | return revinfo | |
214 |
|
220 | |||
215 |
|
221 | |||
216 | def _changesetforwardcopies(a, b, match): |
|
222 | def _changesetforwardcopies(a, b, match): | |
217 | if a.rev() in (node.nullrev, b.rev()): |
|
223 | if a.rev() in (node.nullrev, b.rev()): | |
218 | return {} |
|
224 | return {} | |
219 |
|
225 | |||
220 | repo = a.repo().unfiltered() |
|
226 | repo = a.repo().unfiltered() | |
221 | children = {} |
|
227 | children = {} | |
222 | revinfo = _revinfogetter(repo) |
|
228 | revinfo = _revinfogetter(repo) | |
223 |
|
229 | |||
224 | cl = repo.changelog |
|
230 | cl = repo.changelog | |
225 | missingrevs = cl.findmissingrevs(common=[a.rev()], heads=[b.rev()]) |
|
231 | missingrevs = cl.findmissingrevs(common=[a.rev()], heads=[b.rev()]) | |
226 | for r in missingrevs: |
|
232 | for r in missingrevs: | |
227 | for p in cl.parentrevs(r): |
|
233 | for p in cl.parentrevs(r): | |
228 | if p == node.nullrev: |
|
234 | if p == node.nullrev: | |
229 | continue |
|
235 | continue | |
230 | if p not in children: |
|
236 | if p not in children: | |
231 | children[p] = [r] |
|
237 | children[p] = [r] | |
232 | else: |
|
238 | else: | |
233 | children[p].append(r) |
|
239 | children[p].append(r) | |
234 |
|
240 | |||
235 | roots = set(children) - set(missingrevs) |
|
241 | roots = set(children) - set(missingrevs) | |
236 | work = list(roots) |
|
242 | work = list(roots) | |
237 | all_copies = {r: {} for r in roots} |
|
243 | all_copies = {r: {} for r in roots} | |
238 | heapq.heapify(work) |
|
244 | heapq.heapify(work) | |
239 | alwaysmatch = match.always() |
|
245 | alwaysmatch = match.always() | |
240 | while work: |
|
246 | while work: | |
241 | r = heapq.heappop(work) |
|
247 | r = heapq.heappop(work) | |
242 | copies = all_copies.pop(r) |
|
248 | copies = all_copies.pop(r) | |
243 | if r == b.rev(): |
|
249 | if r == b.rev(): | |
244 | return copies |
|
250 | return copies | |
245 | for i, c in enumerate(children[r]): |
|
251 | for i, c in enumerate(children[r]): | |
246 | p1, p2, p1copies, p2copies, removed = revinfo(c) |
|
252 | p1, p2, p1copies, p2copies, removed = revinfo(c) | |
247 | if r == p1: |
|
253 | if r == p1: | |
248 | parent = 1 |
|
254 | parent = 1 | |
249 | childcopies = p1copies |
|
255 | childcopies = p1copies | |
250 | else: |
|
256 | else: | |
251 | assert r == p2 |
|
257 | assert r == p2 | |
252 | parent = 2 |
|
258 | parent = 2 | |
253 | childcopies = p2copies |
|
259 | childcopies = p2copies | |
254 | if not alwaysmatch: |
|
260 | if not alwaysmatch: | |
255 | childcopies = { |
|
261 | childcopies = { | |
256 | dst: src for dst, src in childcopies.items() if match(dst) |
|
262 | dst: src for dst, src in childcopies.items() if match(dst) | |
257 | } |
|
263 | } | |
258 | # Copy the dict only if later iterations will also need it |
|
264 | # Copy the dict only if later iterations will also need it | |
259 | if i != len(children[r]) - 1: |
|
265 | if i != len(children[r]) - 1: | |
260 | newcopies = copies.copy() |
|
266 | newcopies = copies.copy() | |
261 | else: |
|
267 | else: | |
262 | newcopies = copies |
|
268 | newcopies = copies | |
263 | if childcopies: |
|
269 | if childcopies: | |
264 | newcopies = _chain(newcopies, childcopies) |
|
270 | newcopies = _chain(newcopies, childcopies) | |
265 | for f in removed: |
|
271 | for f in removed: | |
266 | if f in newcopies: |
|
272 | if f in newcopies: | |
267 | del newcopies[f] |
|
273 | del newcopies[f] | |
268 | othercopies = all_copies.get(c) |
|
274 | othercopies = all_copies.get(c) | |
269 | if othercopies is None: |
|
275 | if othercopies is None: | |
270 | heapq.heappush(work, c) |
|
276 | heapq.heappush(work, c) | |
271 | all_copies[c] = newcopies |
|
277 | all_copies[c] = newcopies | |
272 | else: |
|
278 | else: | |
273 | # we are the second parent to work on c, we need to merge our |
|
279 | # we are the second parent to work on c, we need to merge our | |
274 | # work with the other. |
|
280 | # work with the other. | |
275 | # |
|
281 | # | |
276 | # Unlike when copies are stored in the filelog, we consider |
|
282 | # Unlike when copies are stored in the filelog, we consider | |
277 | # it a copy even if the destination already existed on the |
|
283 | # it a copy even if the destination already existed on the | |
278 | # other branch. It's simply too expensive to check if the |
|
284 | # other branch. It's simply too expensive to check if the | |
279 | # file existed in the manifest. |
|
285 | # file existed in the manifest. | |
280 | # |
|
286 | # | |
281 | # In case of conflict, parent 1 take precedence over parent 2. |
|
287 | # In case of conflict, parent 1 take precedence over parent 2. | |
282 | # This is an arbitrary choice made anew when implementing |
|
288 | # This is an arbitrary choice made anew when implementing | |
283 | # changeset based copies. It was made without regards with |
|
289 | # changeset based copies. It was made without regards with | |
284 | # potential filelog related behavior. |
|
290 | # potential filelog related behavior. | |
285 | if parent == 1: |
|
291 | if parent == 1: | |
286 | othercopies.update(newcopies) |
|
292 | othercopies.update(newcopies) | |
287 | else: |
|
293 | else: | |
288 | newcopies.update(othercopies) |
|
294 | newcopies.update(othercopies) | |
289 | all_copies[c] = newcopies |
|
295 | all_copies[c] = newcopies | |
290 | assert False |
|
296 | assert False | |
291 |
|
297 | |||
292 |
|
298 | |||
293 | def _forwardcopies(a, b, base=None, match=None): |
|
299 | def _forwardcopies(a, b, base=None, match=None): | |
294 | """find {dst@b: src@a} copy mapping where a is an ancestor of b""" |
|
300 | """find {dst@b: src@a} copy mapping where a is an ancestor of b""" | |
295 |
|
301 | |||
296 | if base is None: |
|
302 | if base is None: | |
297 | base = a |
|
303 | base = a | |
298 | match = a.repo().narrowmatch(match) |
|
304 | match = a.repo().narrowmatch(match) | |
299 | # check for working copy |
|
305 | # check for working copy | |
300 | if b.rev() is None: |
|
306 | if b.rev() is None: | |
301 | cm = _committedforwardcopies(a, b.p1(), base, match) |
|
307 | cm = _committedforwardcopies(a, b.p1(), base, match) | |
302 | # combine copies from dirstate if necessary |
|
308 | # combine copies from dirstate if necessary | |
303 | copies = _chain(cm, _dirstatecopies(b._repo, match)) |
|
309 | copies = _chain(cm, _dirstatecopies(b._repo, match)) | |
304 | else: |
|
310 | else: | |
305 | copies = _committedforwardcopies(a, b, base, match) |
|
311 | copies = _committedforwardcopies(a, b, base, match) | |
306 | return copies |
|
312 | return copies | |
307 |
|
313 | |||
308 |
|
314 | |||
309 | def _backwardrenames(a, b, match): |
|
315 | def _backwardrenames(a, b, match): | |
310 | if a._repo.ui.config(b'experimental', b'copytrace') == b'off': |
|
316 | if a._repo.ui.config(b'experimental', b'copytrace') == b'off': | |
311 | return {} |
|
317 | return {} | |
312 |
|
318 | |||
313 | # Even though we're not taking copies into account, 1:n rename situations |
|
319 | # Even though we're not taking copies into account, 1:n rename situations | |
314 | # can still exist (e.g. hg cp a b; hg mv a c). In those cases we |
|
320 | # can still exist (e.g. hg cp a b; hg mv a c). In those cases we | |
315 | # arbitrarily pick one of the renames. |
|
321 | # arbitrarily pick one of the renames. | |
316 | # We don't want to pass in "match" here, since that would filter |
|
322 | # We don't want to pass in "match" here, since that would filter | |
317 | # the destination by it. Since we're reversing the copies, we want |
|
323 | # the destination by it. Since we're reversing the copies, we want | |
318 | # to filter the source instead. |
|
324 | # to filter the source instead. | |
319 | f = _forwardcopies(b, a) |
|
325 | f = _forwardcopies(b, a) | |
320 | r = {} |
|
326 | r = {} | |
321 | for k, v in sorted(pycompat.iteritems(f)): |
|
327 | for k, v in sorted(pycompat.iteritems(f)): | |
322 | if match and not match(v): |
|
328 | if match and not match(v): | |
323 | continue |
|
329 | continue | |
324 | # remove copies |
|
330 | # remove copies | |
325 | if v in a: |
|
331 | if v in a: | |
326 | continue |
|
332 | continue | |
327 | r[v] = k |
|
333 | r[v] = k | |
328 | return r |
|
334 | return r | |
329 |
|
335 | |||
330 |
|
336 | |||
331 | def pathcopies(x, y, match=None): |
|
337 | def pathcopies(x, y, match=None): | |
332 | """find {dst@y: src@x} copy mapping for directed compare""" |
|
338 | """find {dst@y: src@x} copy mapping for directed compare""" | |
333 | repo = x._repo |
|
339 | repo = x._repo | |
334 | debug = repo.ui.debugflag and repo.ui.configbool(b'devel', b'debug.copies') |
|
340 | debug = repo.ui.debugflag and repo.ui.configbool(b'devel', b'debug.copies') | |
335 | if debug: |
|
341 | if debug: | |
336 | repo.ui.debug( |
|
342 | repo.ui.debug( | |
337 | b'debug.copies: searching copies from %s to %s\n' % (x, y) |
|
343 | b'debug.copies: searching copies from %s to %s\n' % (x, y) | |
338 | ) |
|
344 | ) | |
339 | if x == y or not x or not y: |
|
345 | if x == y or not x or not y: | |
340 | return {} |
|
346 | return {} | |
341 | a = y.ancestor(x) |
|
347 | a = y.ancestor(x) | |
342 | if a == x: |
|
348 | if a == x: | |
343 | if debug: |
|
349 | if debug: | |
344 | repo.ui.debug(b'debug.copies: search mode: forward\n') |
|
350 | repo.ui.debug(b'debug.copies: search mode: forward\n') | |
345 | if y.rev() is None and x == y.p1(): |
|
351 | if y.rev() is None and x == y.p1(): | |
346 | # short-circuit to avoid issues with merge states |
|
352 | # short-circuit to avoid issues with merge states | |
347 | return _dirstatecopies(repo, match) |
|
353 | return _dirstatecopies(repo, match) | |
348 | copies = _forwardcopies(x, y, match=match) |
|
354 | copies = _forwardcopies(x, y, match=match) | |
349 | elif a == y: |
|
355 | elif a == y: | |
350 | if debug: |
|
356 | if debug: | |
351 | repo.ui.debug(b'debug.copies: search mode: backward\n') |
|
357 | repo.ui.debug(b'debug.copies: search mode: backward\n') | |
352 | copies = _backwardrenames(x, y, match=match) |
|
358 | copies = _backwardrenames(x, y, match=match) | |
353 | else: |
|
359 | else: | |
354 | if debug: |
|
360 | if debug: | |
355 | repo.ui.debug(b'debug.copies: search mode: combined\n') |
|
361 | repo.ui.debug(b'debug.copies: search mode: combined\n') | |
356 | base = None |
|
362 | base = None | |
357 | if a.rev() != node.nullrev: |
|
363 | if a.rev() != node.nullrev: | |
358 | base = x |
|
364 | base = x | |
359 | copies = _chain( |
|
365 | copies = _chain( | |
360 | _backwardrenames(x, a, match=match), |
|
366 | _backwardrenames(x, a, match=match), | |
361 | _forwardcopies(a, y, base, match=match), |
|
367 | _forwardcopies(a, y, base, match=match), | |
362 | ) |
|
368 | ) | |
363 | _filter(x, y, copies) |
|
369 | _filter(x, y, copies) | |
364 | return copies |
|
370 | return copies | |
365 |
|
371 | |||
366 |
|
372 | |||
367 | def mergecopies(repo, c1, c2, base): |
|
373 | def mergecopies(repo, c1, c2, base): | |
368 | """ |
|
374 | """ | |
369 | Finds moves and copies between context c1 and c2 that are relevant for |
|
375 | Finds moves and copies between context c1 and c2 that are relevant for | |
370 | merging. 'base' will be used as the merge base. |
|
376 | merging. 'base' will be used as the merge base. | |
371 |
|
377 | |||
372 | Copytracing is used in commands like rebase, merge, unshelve, etc to merge |
|
378 | Copytracing is used in commands like rebase, merge, unshelve, etc to merge | |
373 | files that were moved/ copied in one merge parent and modified in another. |
|
379 | files that were moved/ copied in one merge parent and modified in another. | |
374 | For example: |
|
380 | For example: | |
375 |
|
381 | |||
376 | o ---> 4 another commit |
|
382 | o ---> 4 another commit | |
377 | | |
|
383 | | | |
378 | | o ---> 3 commit that modifies a.txt |
|
384 | | o ---> 3 commit that modifies a.txt | |
379 | | / |
|
385 | | / | |
380 | o / ---> 2 commit that moves a.txt to b.txt |
|
386 | o / ---> 2 commit that moves a.txt to b.txt | |
381 | |/ |
|
387 | |/ | |
382 | o ---> 1 merge base |
|
388 | o ---> 1 merge base | |
383 |
|
389 | |||
384 | If we try to rebase revision 3 on revision 4, since there is no a.txt in |
|
390 | If we try to rebase revision 3 on revision 4, since there is no a.txt in | |
385 | revision 4, and if user have copytrace disabled, we prints the following |
|
391 | revision 4, and if user have copytrace disabled, we prints the following | |
386 | message: |
|
392 | message: | |
387 |
|
393 | |||
388 | ```other changed <file> which local deleted``` |
|
394 | ```other changed <file> which local deleted``` | |
389 |
|
395 | |||
390 | Returns five dicts: "copy", "movewithdir", "diverge", "renamedelete" and |
|
396 | Returns five dicts: "copy", "movewithdir", "diverge", "renamedelete" and | |
391 | "dirmove". |
|
397 | "dirmove". | |
392 |
|
398 | |||
393 | "copy" is a mapping from destination name -> source name, |
|
399 | "copy" is a mapping from destination name -> source name, | |
394 | where source is in c1 and destination is in c2 or vice-versa. |
|
400 | where source is in c1 and destination is in c2 or vice-versa. | |
395 |
|
401 | |||
396 | "movewithdir" is a mapping from source name -> destination name, |
|
402 | "movewithdir" is a mapping from source name -> destination name, | |
397 | where the file at source present in one context but not the other |
|
403 | where the file at source present in one context but not the other | |
398 | needs to be moved to destination by the merge process, because the |
|
404 | needs to be moved to destination by the merge process, because the | |
399 | other context moved the directory it is in. |
|
405 | other context moved the directory it is in. | |
400 |
|
406 | |||
401 | "diverge" is a mapping of source name -> list of destination names |
|
407 | "diverge" is a mapping of source name -> list of destination names | |
402 | for divergent renames. |
|
408 | for divergent renames. | |
403 |
|
409 | |||
404 | "renamedelete" is a mapping of source name -> list of destination |
|
410 | "renamedelete" is a mapping of source name -> list of destination | |
405 | names for files deleted in c1 that were renamed in c2 or vice-versa. |
|
411 | names for files deleted in c1 that were renamed in c2 or vice-versa. | |
406 |
|
412 | |||
407 | "dirmove" is a mapping of detected source dir -> destination dir renames. |
|
413 | "dirmove" is a mapping of detected source dir -> destination dir renames. | |
408 | This is needed for handling changes to new files previously grafted into |
|
414 | This is needed for handling changes to new files previously grafted into | |
409 | renamed directories. |
|
415 | renamed directories. | |
410 |
|
416 | |||
411 | This function calls different copytracing algorithms based on config. |
|
417 | This function calls different copytracing algorithms based on config. | |
412 | """ |
|
418 | """ | |
413 | # avoid silly behavior for update from empty dir |
|
419 | # avoid silly behavior for update from empty dir | |
414 | if not c1 or not c2 or c1 == c2: |
|
420 | if not c1 or not c2 or c1 == c2: | |
415 | return {}, {}, {}, {}, {} |
|
421 | return {}, {}, {}, {}, {} | |
416 |
|
422 | |||
417 | narrowmatch = c1.repo().narrowmatch() |
|
423 | narrowmatch = c1.repo().narrowmatch() | |
418 |
|
424 | |||
419 | # avoid silly behavior for parent -> working dir |
|
425 | # avoid silly behavior for parent -> working dir | |
420 | if c2.node() is None and c1.node() == repo.dirstate.p1(): |
|
426 | if c2.node() is None and c1.node() == repo.dirstate.p1(): | |
421 | return _dirstatecopies(repo, narrowmatch), {}, {}, {}, {} |
|
427 | return _dirstatecopies(repo, narrowmatch), {}, {}, {}, {} | |
422 |
|
428 | |||
423 | copytracing = repo.ui.config(b'experimental', b'copytrace') |
|
429 | copytracing = repo.ui.config(b'experimental', b'copytrace') | |
424 | if stringutil.parsebool(copytracing) is False: |
|
430 | if stringutil.parsebool(copytracing) is False: | |
425 | # stringutil.parsebool() returns None when it is unable to parse the |
|
431 | # stringutil.parsebool() returns None when it is unable to parse the | |
426 | # value, so we should rely on making sure copytracing is on such cases |
|
432 | # value, so we should rely on making sure copytracing is on such cases | |
427 | return {}, {}, {}, {}, {} |
|
433 | return {}, {}, {}, {}, {} | |
428 |
|
434 | |||
429 | if usechangesetcentricalgo(repo): |
|
435 | if usechangesetcentricalgo(repo): | |
430 | # The heuristics don't make sense when we need changeset-centric algos |
|
436 | # The heuristics don't make sense when we need changeset-centric algos | |
431 | return _fullcopytracing(repo, c1, c2, base) |
|
437 | return _fullcopytracing(repo, c1, c2, base) | |
432 |
|
438 | |||
433 | # Copy trace disabling is explicitly below the node == p1 logic above |
|
439 | # Copy trace disabling is explicitly below the node == p1 logic above | |
434 | # because the logic above is required for a simple copy to be kept across a |
|
440 | # because the logic above is required for a simple copy to be kept across a | |
435 | # rebase. |
|
441 | # rebase. | |
436 | if copytracing == b'heuristics': |
|
442 | if copytracing == b'heuristics': | |
437 | # Do full copytracing if only non-public revisions are involved as |
|
443 | # Do full copytracing if only non-public revisions are involved as | |
438 | # that will be fast enough and will also cover the copies which could |
|
444 | # that will be fast enough and will also cover the copies which could | |
439 | # be missed by heuristics |
|
445 | # be missed by heuristics | |
440 | if _isfullcopytraceable(repo, c1, base): |
|
446 | if _isfullcopytraceable(repo, c1, base): | |
441 | return _fullcopytracing(repo, c1, c2, base) |
|
447 | return _fullcopytracing(repo, c1, c2, base) | |
442 | return _heuristicscopytracing(repo, c1, c2, base) |
|
448 | return _heuristicscopytracing(repo, c1, c2, base) | |
443 | else: |
|
449 | else: | |
444 | return _fullcopytracing(repo, c1, c2, base) |
|
450 | return _fullcopytracing(repo, c1, c2, base) | |
445 |
|
451 | |||
446 |
|
452 | |||
447 | def _isfullcopytraceable(repo, c1, base): |
|
453 | def _isfullcopytraceable(repo, c1, base): | |
448 | """ Checks that if base, source and destination are all no-public branches, |
|
454 | """ Checks that if base, source and destination are all no-public branches, | |
449 | if yes let's use the full copytrace algorithm for increased capabilities |
|
455 | if yes let's use the full copytrace algorithm for increased capabilities | |
450 | since it will be fast enough. |
|
456 | since it will be fast enough. | |
451 |
|
457 | |||
452 | `experimental.copytrace.sourcecommitlimit` can be used to set a limit for |
|
458 | `experimental.copytrace.sourcecommitlimit` can be used to set a limit for | |
453 | number of changesets from c1 to base such that if number of changesets are |
|
459 | number of changesets from c1 to base such that if number of changesets are | |
454 | more than the limit, full copytracing algorithm won't be used. |
|
460 | more than the limit, full copytracing algorithm won't be used. | |
455 | """ |
|
461 | """ | |
456 | if c1.rev() is None: |
|
462 | if c1.rev() is None: | |
457 | c1 = c1.p1() |
|
463 | c1 = c1.p1() | |
458 | if c1.mutable() and base.mutable(): |
|
464 | if c1.mutable() and base.mutable(): | |
459 | sourcecommitlimit = repo.ui.configint( |
|
465 | sourcecommitlimit = repo.ui.configint( | |
460 | b'experimental', b'copytrace.sourcecommitlimit' |
|
466 | b'experimental', b'copytrace.sourcecommitlimit' | |
461 | ) |
|
467 | ) | |
462 | commits = len(repo.revs(b'%d::%d', base.rev(), c1.rev())) |
|
468 | commits = len(repo.revs(b'%d::%d', base.rev(), c1.rev())) | |
463 | return commits < sourcecommitlimit |
|
469 | return commits < sourcecommitlimit | |
464 | return False |
|
470 | return False | |
465 |
|
471 | |||
466 |
|
472 | |||
467 | def _checksinglesidecopies( |
|
473 | def _checksinglesidecopies( | |
468 | src, dsts1, m1, m2, mb, c2, base, copy, renamedelete |
|
474 | src, dsts1, m1, m2, mb, c2, base, copy, renamedelete | |
469 | ): |
|
475 | ): | |
470 | if src not in m2: |
|
476 | if src not in m2: | |
471 | # deleted on side 2 |
|
477 | # deleted on side 2 | |
472 | if src not in m1: |
|
478 | if src not in m1: | |
473 | # renamed on side 1, deleted on side 2 |
|
479 | # renamed on side 1, deleted on side 2 | |
474 | renamedelete[src] = dsts1 |
|
480 | renamedelete[src] = dsts1 | |
475 | elif m2[src] != mb[src]: |
|
481 | elif m2[src] != mb[src]: | |
476 | if not _related(c2[src], base[src]): |
|
482 | if not _related(c2[src], base[src]): | |
477 | return |
|
483 | return | |
478 | # modified on side 2 |
|
484 | # modified on side 2 | |
479 | for dst in dsts1: |
|
485 | for dst in dsts1: | |
480 | if dst not in m2: |
|
486 | if dst not in m2: | |
481 | # dst not added on side 2 (handle as regular |
|
487 | # dst not added on side 2 (handle as regular | |
482 | # "both created" case in manifestmerge otherwise) |
|
488 | # "both created" case in manifestmerge otherwise) | |
483 | copy[dst] = src |
|
489 | copy[dst] = src | |
484 |
|
490 | |||
485 |
|
491 | |||
486 | def _fullcopytracing(repo, c1, c2, base): |
|
492 | def _fullcopytracing(repo, c1, c2, base): | |
487 | """ The full copytracing algorithm which finds all the new files that were |
|
493 | """ The full copytracing algorithm which finds all the new files that were | |
488 | added from merge base up to the top commit and for each file it checks if |
|
494 | added from merge base up to the top commit and for each file it checks if | |
489 | this file was copied from another file. |
|
495 | this file was copied from another file. | |
490 |
|
496 | |||
491 | This is pretty slow when a lot of changesets are involved but will track all |
|
497 | This is pretty slow when a lot of changesets are involved but will track all | |
492 | the copies. |
|
498 | the copies. | |
493 | """ |
|
499 | """ | |
494 | m1 = c1.manifest() |
|
500 | m1 = c1.manifest() | |
495 | m2 = c2.manifest() |
|
501 | m2 = c2.manifest() | |
496 | mb = base.manifest() |
|
502 | mb = base.manifest() | |
497 |
|
503 | |||
498 | copies1 = pathcopies(base, c1) |
|
504 | copies1 = pathcopies(base, c1) | |
499 | copies2 = pathcopies(base, c2) |
|
505 | copies2 = pathcopies(base, c2) | |
500 |
|
506 | |||
501 | inversecopies1 = {} |
|
507 | inversecopies1 = {} | |
502 | inversecopies2 = {} |
|
508 | inversecopies2 = {} | |
503 | for dst, src in copies1.items(): |
|
509 | for dst, src in copies1.items(): | |
504 | inversecopies1.setdefault(src, []).append(dst) |
|
510 | inversecopies1.setdefault(src, []).append(dst) | |
505 | for dst, src in copies2.items(): |
|
511 | for dst, src in copies2.items(): | |
506 | inversecopies2.setdefault(src, []).append(dst) |
|
512 | inversecopies2.setdefault(src, []).append(dst) | |
507 |
|
513 | |||
508 | copy = {} |
|
514 | copy = {} | |
509 | diverge = {} |
|
515 | diverge = {} | |
510 | renamedelete = {} |
|
516 | renamedelete = {} | |
511 | allsources = set(inversecopies1) | set(inversecopies2) |
|
517 | allsources = set(inversecopies1) | set(inversecopies2) | |
512 | for src in allsources: |
|
518 | for src in allsources: | |
513 | dsts1 = inversecopies1.get(src) |
|
519 | dsts1 = inversecopies1.get(src) | |
514 | dsts2 = inversecopies2.get(src) |
|
520 | dsts2 = inversecopies2.get(src) | |
515 | if dsts1 and dsts2: |
|
521 | if dsts1 and dsts2: | |
516 | # copied/renamed on both sides |
|
522 | # copied/renamed on both sides | |
517 | if src not in m1 and src not in m2: |
|
523 | if src not in m1 and src not in m2: | |
518 | # renamed on both sides |
|
524 | # renamed on both sides | |
519 | dsts1 = set(dsts1) |
|
525 | dsts1 = set(dsts1) | |
520 | dsts2 = set(dsts2) |
|
526 | dsts2 = set(dsts2) | |
521 | # If there's some overlap in the rename destinations, we |
|
527 | # If there's some overlap in the rename destinations, we | |
522 | # consider it not divergent. For example, if side 1 copies 'a' |
|
528 | # consider it not divergent. For example, if side 1 copies 'a' | |
523 | # to 'b' and 'c' and deletes 'a', and side 2 copies 'a' to 'c' |
|
529 | # to 'b' and 'c' and deletes 'a', and side 2 copies 'a' to 'c' | |
524 | # and 'd' and deletes 'a'. |
|
530 | # and 'd' and deletes 'a'. | |
525 | if dsts1 & dsts2: |
|
531 | if dsts1 & dsts2: | |
526 | for dst in dsts1 & dsts2: |
|
532 | for dst in dsts1 & dsts2: | |
527 | copy[dst] = src |
|
533 | copy[dst] = src | |
528 | else: |
|
534 | else: | |
529 | diverge[src] = sorted(dsts1 | dsts2) |
|
535 | diverge[src] = sorted(dsts1 | dsts2) | |
530 | elif src in m1 and src in m2: |
|
536 | elif src in m1 and src in m2: | |
531 | # copied on both sides |
|
537 | # copied on both sides | |
532 | dsts1 = set(dsts1) |
|
538 | dsts1 = set(dsts1) | |
533 | dsts2 = set(dsts2) |
|
539 | dsts2 = set(dsts2) | |
534 | for dst in dsts1 & dsts2: |
|
540 | for dst in dsts1 & dsts2: | |
535 | copy[dst] = src |
|
541 | copy[dst] = src | |
536 | # TODO: Handle cases where it was renamed on one side and copied |
|
542 | # TODO: Handle cases where it was renamed on one side and copied | |
537 | # on the other side |
|
543 | # on the other side | |
538 | elif dsts1: |
|
544 | elif dsts1: | |
539 | # copied/renamed only on side 1 |
|
545 | # copied/renamed only on side 1 | |
540 | _checksinglesidecopies( |
|
546 | _checksinglesidecopies( | |
541 | src, dsts1, m1, m2, mb, c2, base, copy, renamedelete |
|
547 | src, dsts1, m1, m2, mb, c2, base, copy, renamedelete | |
542 | ) |
|
548 | ) | |
543 | elif dsts2: |
|
549 | elif dsts2: | |
544 | # copied/renamed only on side 2 |
|
550 | # copied/renamed only on side 2 | |
545 | _checksinglesidecopies( |
|
551 | _checksinglesidecopies( | |
546 | src, dsts2, m2, m1, mb, c1, base, copy, renamedelete |
|
552 | src, dsts2, m2, m1, mb, c1, base, copy, renamedelete | |
547 | ) |
|
553 | ) | |
548 |
|
554 | |||
549 | renamedeleteset = set() |
|
555 | renamedeleteset = set() | |
550 | divergeset = set() |
|
556 | divergeset = set() | |
551 | for dsts in diverge.values(): |
|
557 | for dsts in diverge.values(): | |
552 | divergeset.update(dsts) |
|
558 | divergeset.update(dsts) | |
553 | for dsts in renamedelete.values(): |
|
559 | for dsts in renamedelete.values(): | |
554 | renamedeleteset.update(dsts) |
|
560 | renamedeleteset.update(dsts) | |
555 |
|
561 | |||
556 | # find interesting file sets from manifests |
|
562 | # find interesting file sets from manifests | |
557 | addedinm1 = m1.filesnotin(mb, repo.narrowmatch()) |
|
563 | addedinm1 = m1.filesnotin(mb, repo.narrowmatch()) | |
558 | addedinm2 = m2.filesnotin(mb, repo.narrowmatch()) |
|
564 | addedinm2 = m2.filesnotin(mb, repo.narrowmatch()) | |
559 | u1 = sorted(addedinm1 - addedinm2) |
|
565 | u1 = sorted(addedinm1 - addedinm2) | |
560 | u2 = sorted(addedinm2 - addedinm1) |
|
566 | u2 = sorted(addedinm2 - addedinm1) | |
561 |
|
567 | |||
562 | header = b" unmatched files in %s" |
|
568 | header = b" unmatched files in %s" | |
563 | if u1: |
|
569 | if u1: | |
564 | repo.ui.debug(b"%s:\n %s\n" % (header % b'local', b"\n ".join(u1))) |
|
570 | repo.ui.debug(b"%s:\n %s\n" % (header % b'local', b"\n ".join(u1))) | |
565 | if u2: |
|
571 | if u2: | |
566 | repo.ui.debug(b"%s:\n %s\n" % (header % b'other', b"\n ".join(u2))) |
|
572 | repo.ui.debug(b"%s:\n %s\n" % (header % b'other', b"\n ".join(u2))) | |
567 |
|
573 | |||
568 | fullcopy = copies1.copy() |
|
574 | fullcopy = copies1.copy() | |
569 | fullcopy.update(copies2) |
|
575 | fullcopy.update(copies2) | |
570 | if not fullcopy: |
|
576 | if not fullcopy: | |
571 | return copy, {}, diverge, renamedelete, {} |
|
577 | return copy, {}, diverge, renamedelete, {} | |
572 |
|
578 | |||
573 | if repo.ui.debugflag: |
|
579 | if repo.ui.debugflag: | |
574 | repo.ui.debug( |
|
580 | repo.ui.debug( | |
575 | b" all copies found (* = to merge, ! = divergent, " |
|
581 | b" all copies found (* = to merge, ! = divergent, " | |
576 | b"% = renamed and deleted):\n" |
|
582 | b"% = renamed and deleted):\n" | |
577 | ) |
|
583 | ) | |
578 | for f in sorted(fullcopy): |
|
584 | for f in sorted(fullcopy): | |
579 | note = b"" |
|
585 | note = b"" | |
580 | if f in copy: |
|
586 | if f in copy: | |
581 | note += b"*" |
|
587 | note += b"*" | |
582 | if f in divergeset: |
|
588 | if f in divergeset: | |
583 | note += b"!" |
|
589 | note += b"!" | |
584 | if f in renamedeleteset: |
|
590 | if f in renamedeleteset: | |
585 | note += b"%" |
|
591 | note += b"%" | |
586 | repo.ui.debug( |
|
592 | repo.ui.debug( | |
587 | b" src: '%s' -> dst: '%s' %s\n" % (fullcopy[f], f, note) |
|
593 | b" src: '%s' -> dst: '%s' %s\n" % (fullcopy[f], f, note) | |
588 | ) |
|
594 | ) | |
589 | del divergeset |
|
595 | del divergeset | |
590 |
|
596 | |||
591 | repo.ui.debug(b" checking for directory renames\n") |
|
597 | repo.ui.debug(b" checking for directory renames\n") | |
592 |
|
598 | |||
593 | # generate a directory move map |
|
599 | # generate a directory move map | |
594 | d1, d2 = c1.dirs(), c2.dirs() |
|
600 | d1, d2 = c1.dirs(), c2.dirs() | |
595 | invalid = set() |
|
601 | invalid = set() | |
596 | dirmove = {} |
|
602 | dirmove = {} | |
597 |
|
603 | |||
598 | # examine each file copy for a potential directory move, which is |
|
604 | # examine each file copy for a potential directory move, which is | |
599 | # when all the files in a directory are moved to a new directory |
|
605 | # when all the files in a directory are moved to a new directory | |
600 | for dst, src in pycompat.iteritems(fullcopy): |
|
606 | for dst, src in pycompat.iteritems(fullcopy): | |
601 | dsrc, ddst = pathutil.dirname(src), pathutil.dirname(dst) |
|
607 | dsrc, ddst = pathutil.dirname(src), pathutil.dirname(dst) | |
602 | if dsrc in invalid: |
|
608 | if dsrc in invalid: | |
603 | # already seen to be uninteresting |
|
609 | # already seen to be uninteresting | |
604 | continue |
|
610 | continue | |
605 | elif dsrc in d1 and ddst in d1: |
|
611 | elif dsrc in d1 and ddst in d1: | |
606 | # directory wasn't entirely moved locally |
|
612 | # directory wasn't entirely moved locally | |
607 | invalid.add(dsrc) |
|
613 | invalid.add(dsrc) | |
608 | elif dsrc in d2 and ddst in d2: |
|
614 | elif dsrc in d2 and ddst in d2: | |
609 | # directory wasn't entirely moved remotely |
|
615 | # directory wasn't entirely moved remotely | |
610 | invalid.add(dsrc) |
|
616 | invalid.add(dsrc) | |
611 | elif dsrc in dirmove and dirmove[dsrc] != ddst: |
|
617 | elif dsrc in dirmove and dirmove[dsrc] != ddst: | |
612 | # files from the same directory moved to two different places |
|
618 | # files from the same directory moved to two different places | |
613 | invalid.add(dsrc) |
|
619 | invalid.add(dsrc) | |
614 | else: |
|
620 | else: | |
615 | # looks good so far |
|
621 | # looks good so far | |
616 | dirmove[dsrc] = ddst |
|
622 | dirmove[dsrc] = ddst | |
617 |
|
623 | |||
618 | for i in invalid: |
|
624 | for i in invalid: | |
619 | if i in dirmove: |
|
625 | if i in dirmove: | |
620 | del dirmove[i] |
|
626 | del dirmove[i] | |
621 | del d1, d2, invalid |
|
627 | del d1, d2, invalid | |
622 |
|
628 | |||
623 | if not dirmove: |
|
629 | if not dirmove: | |
624 | return copy, {}, diverge, renamedelete, {} |
|
630 | return copy, {}, diverge, renamedelete, {} | |
625 |
|
631 | |||
626 | dirmove = {k + b"/": v + b"/" for k, v in pycompat.iteritems(dirmove)} |
|
632 | dirmove = {k + b"/": v + b"/" for k, v in pycompat.iteritems(dirmove)} | |
627 |
|
633 | |||
628 | for d in dirmove: |
|
634 | for d in dirmove: | |
629 | repo.ui.debug( |
|
635 | repo.ui.debug( | |
630 | b" discovered dir src: '%s' -> dst: '%s'\n" % (d, dirmove[d]) |
|
636 | b" discovered dir src: '%s' -> dst: '%s'\n" % (d, dirmove[d]) | |
631 | ) |
|
637 | ) | |
632 |
|
638 | |||
633 | movewithdir = {} |
|
639 | movewithdir = {} | |
634 | # check unaccounted nonoverlapping files against directory moves |
|
640 | # check unaccounted nonoverlapping files against directory moves | |
635 | for f in u1 + u2: |
|
641 | for f in u1 + u2: | |
636 | if f not in fullcopy: |
|
642 | if f not in fullcopy: | |
637 | for d in dirmove: |
|
643 | for d in dirmove: | |
638 | if f.startswith(d): |
|
644 | if f.startswith(d): | |
639 | # new file added in a directory that was moved, move it |
|
645 | # new file added in a directory that was moved, move it | |
640 | df = dirmove[d] + f[len(d) :] |
|
646 | df = dirmove[d] + f[len(d) :] | |
641 | if df not in copy: |
|
647 | if df not in copy: | |
642 | movewithdir[f] = df |
|
648 | movewithdir[f] = df | |
643 | repo.ui.debug( |
|
649 | repo.ui.debug( | |
644 | b" pending file src: '%s' -> dst: '%s'\n" |
|
650 | b" pending file src: '%s' -> dst: '%s'\n" | |
645 | % (f, df) |
|
651 | % (f, df) | |
646 | ) |
|
652 | ) | |
647 | break |
|
653 | break | |
648 |
|
654 | |||
649 | return copy, movewithdir, diverge, renamedelete, dirmove |
|
655 | return copy, movewithdir, diverge, renamedelete, dirmove | |
650 |
|
656 | |||
651 |
|
657 | |||
652 | def _heuristicscopytracing(repo, c1, c2, base): |
|
658 | def _heuristicscopytracing(repo, c1, c2, base): | |
653 | """ Fast copytracing using filename heuristics |
|
659 | """ Fast copytracing using filename heuristics | |
654 |
|
660 | |||
655 | Assumes that moves or renames are of following two types: |
|
661 | Assumes that moves or renames are of following two types: | |
656 |
|
662 | |||
657 | 1) Inside a directory only (same directory name but different filenames) |
|
663 | 1) Inside a directory only (same directory name but different filenames) | |
658 | 2) Move from one directory to another |
|
664 | 2) Move from one directory to another | |
659 | (same filenames but different directory names) |
|
665 | (same filenames but different directory names) | |
660 |
|
666 | |||
661 | Works only when there are no merge commits in the "source branch". |
|
667 | Works only when there are no merge commits in the "source branch". | |
662 | Source branch is commits from base up to c2 not including base. |
|
668 | Source branch is commits from base up to c2 not including base. | |
663 |
|
669 | |||
664 | If merge is involved it fallbacks to _fullcopytracing(). |
|
670 | If merge is involved it fallbacks to _fullcopytracing(). | |
665 |
|
671 | |||
666 | Can be used by setting the following config: |
|
672 | Can be used by setting the following config: | |
667 |
|
673 | |||
668 | [experimental] |
|
674 | [experimental] | |
669 | copytrace = heuristics |
|
675 | copytrace = heuristics | |
670 |
|
676 | |||
671 | In some cases the copy/move candidates found by heuristics can be very large |
|
677 | In some cases the copy/move candidates found by heuristics can be very large | |
672 | in number and that will make the algorithm slow. The number of possible |
|
678 | in number and that will make the algorithm slow. The number of possible | |
673 | candidates to check can be limited by using the config |
|
679 | candidates to check can be limited by using the config | |
674 | `experimental.copytrace.movecandidateslimit` which defaults to 100. |
|
680 | `experimental.copytrace.movecandidateslimit` which defaults to 100. | |
675 | """ |
|
681 | """ | |
676 |
|
682 | |||
677 | if c1.rev() is None: |
|
683 | if c1.rev() is None: | |
678 | c1 = c1.p1() |
|
684 | c1 = c1.p1() | |
679 | if c2.rev() is None: |
|
685 | if c2.rev() is None: | |
680 | c2 = c2.p1() |
|
686 | c2 = c2.p1() | |
681 |
|
687 | |||
682 | copies = {} |
|
688 | copies = {} | |
683 |
|
689 | |||
684 | changedfiles = set() |
|
690 | changedfiles = set() | |
685 | m1 = c1.manifest() |
|
691 | m1 = c1.manifest() | |
686 | if not repo.revs(b'%d::%d', base.rev(), c2.rev()): |
|
692 | if not repo.revs(b'%d::%d', base.rev(), c2.rev()): | |
687 | # If base is not in c2 branch, we switch to fullcopytracing |
|
693 | # If base is not in c2 branch, we switch to fullcopytracing | |
688 | repo.ui.debug( |
|
694 | repo.ui.debug( | |
689 | b"switching to full copytracing as base is not " |
|
695 | b"switching to full copytracing as base is not " | |
690 | b"an ancestor of c2\n" |
|
696 | b"an ancestor of c2\n" | |
691 | ) |
|
697 | ) | |
692 | return _fullcopytracing(repo, c1, c2, base) |
|
698 | return _fullcopytracing(repo, c1, c2, base) | |
693 |
|
699 | |||
694 | ctx = c2 |
|
700 | ctx = c2 | |
695 | while ctx != base: |
|
701 | while ctx != base: | |
696 | if len(ctx.parents()) == 2: |
|
702 | if len(ctx.parents()) == 2: | |
697 | # To keep things simple let's not handle merges |
|
703 | # To keep things simple let's not handle merges | |
698 | repo.ui.debug(b"switching to full copytracing because of merges\n") |
|
704 | repo.ui.debug(b"switching to full copytracing because of merges\n") | |
699 | return _fullcopytracing(repo, c1, c2, base) |
|
705 | return _fullcopytracing(repo, c1, c2, base) | |
700 | changedfiles.update(ctx.files()) |
|
706 | changedfiles.update(ctx.files()) | |
701 | ctx = ctx.p1() |
|
707 | ctx = ctx.p1() | |
702 |
|
708 | |||
703 | cp = _forwardcopies(base, c2) |
|
709 | cp = _forwardcopies(base, c2) | |
704 | for dst, src in pycompat.iteritems(cp): |
|
710 | for dst, src in pycompat.iteritems(cp): | |
705 | if src in m1: |
|
711 | if src in m1: | |
706 | copies[dst] = src |
|
712 | copies[dst] = src | |
707 |
|
713 | |||
708 | # file is missing if it isn't present in the destination, but is present in |
|
714 | # file is missing if it isn't present in the destination, but is present in | |
709 | # the base and present in the source. |
|
715 | # the base and present in the source. | |
710 | # Presence in the base is important to exclude added files, presence in the |
|
716 | # Presence in the base is important to exclude added files, presence in the | |
711 | # source is important to exclude removed files. |
|
717 | # source is important to exclude removed files. | |
712 | filt = lambda f: f not in m1 and f in base and f in c2 |
|
718 | filt = lambda f: f not in m1 and f in base and f in c2 | |
713 | missingfiles = [f for f in changedfiles if filt(f)] |
|
719 | missingfiles = [f for f in changedfiles if filt(f)] | |
714 |
|
720 | |||
715 | if missingfiles: |
|
721 | if missingfiles: | |
716 | basenametofilename = collections.defaultdict(list) |
|
722 | basenametofilename = collections.defaultdict(list) | |
717 | dirnametofilename = collections.defaultdict(list) |
|
723 | dirnametofilename = collections.defaultdict(list) | |
718 |
|
724 | |||
719 | for f in m1.filesnotin(base.manifest()): |
|
725 | for f in m1.filesnotin(base.manifest()): | |
720 | basename = os.path.basename(f) |
|
726 | basename = os.path.basename(f) | |
721 | dirname = os.path.dirname(f) |
|
727 | dirname = os.path.dirname(f) | |
722 | basenametofilename[basename].append(f) |
|
728 | basenametofilename[basename].append(f) | |
723 | dirnametofilename[dirname].append(f) |
|
729 | dirnametofilename[dirname].append(f) | |
724 |
|
730 | |||
725 | for f in missingfiles: |
|
731 | for f in missingfiles: | |
726 | basename = os.path.basename(f) |
|
732 | basename = os.path.basename(f) | |
727 | dirname = os.path.dirname(f) |
|
733 | dirname = os.path.dirname(f) | |
728 | samebasename = basenametofilename[basename] |
|
734 | samebasename = basenametofilename[basename] | |
729 | samedirname = dirnametofilename[dirname] |
|
735 | samedirname = dirnametofilename[dirname] | |
730 | movecandidates = samebasename + samedirname |
|
736 | movecandidates = samebasename + samedirname | |
731 | # f is guaranteed to be present in c2, that's why |
|
737 | # f is guaranteed to be present in c2, that's why | |
732 | # c2.filectx(f) won't fail |
|
738 | # c2.filectx(f) won't fail | |
733 | f2 = c2.filectx(f) |
|
739 | f2 = c2.filectx(f) | |
734 | # we can have a lot of candidates which can slow down the heuristics |
|
740 | # we can have a lot of candidates which can slow down the heuristics | |
735 | # config value to limit the number of candidates moves to check |
|
741 | # config value to limit the number of candidates moves to check | |
736 | maxcandidates = repo.ui.configint( |
|
742 | maxcandidates = repo.ui.configint( | |
737 | b'experimental', b'copytrace.movecandidateslimit' |
|
743 | b'experimental', b'copytrace.movecandidateslimit' | |
738 | ) |
|
744 | ) | |
739 |
|
745 | |||
740 | if len(movecandidates) > maxcandidates: |
|
746 | if len(movecandidates) > maxcandidates: | |
741 | repo.ui.status( |
|
747 | repo.ui.status( | |
742 | _( |
|
748 | _( | |
743 | b"skipping copytracing for '%s', more " |
|
749 | b"skipping copytracing for '%s', more " | |
744 | b"candidates than the limit: %d\n" |
|
750 | b"candidates than the limit: %d\n" | |
745 | ) |
|
751 | ) | |
746 | % (f, len(movecandidates)) |
|
752 | % (f, len(movecandidates)) | |
747 | ) |
|
753 | ) | |
748 | continue |
|
754 | continue | |
749 |
|
755 | |||
750 | for candidate in movecandidates: |
|
756 | for candidate in movecandidates: | |
751 | f1 = c1.filectx(candidate) |
|
757 | f1 = c1.filectx(candidate) | |
752 | if _related(f1, f2): |
|
758 | if _related(f1, f2): | |
753 | # if there are a few related copies then we'll merge |
|
759 | # if there are a few related copies then we'll merge | |
754 | # changes into all of them. This matches the behaviour |
|
760 | # changes into all of them. This matches the behaviour | |
755 | # of upstream copytracing |
|
761 | # of upstream copytracing | |
756 | copies[candidate] = f |
|
762 | copies[candidate] = f | |
757 |
|
763 | |||
758 | return copies, {}, {}, {}, {} |
|
764 | return copies, {}, {}, {}, {} | |
759 |
|
765 | |||
760 |
|
766 | |||
761 | def _related(f1, f2): |
|
767 | def _related(f1, f2): | |
762 | """return True if f1 and f2 filectx have a common ancestor |
|
768 | """return True if f1 and f2 filectx have a common ancestor | |
763 |
|
769 | |||
764 | Walk back to common ancestor to see if the two files originate |
|
770 | Walk back to common ancestor to see if the two files originate | |
765 | from the same file. Since workingfilectx's rev() is None it messes |
|
771 | from the same file. Since workingfilectx's rev() is None it messes | |
766 | up the integer comparison logic, hence the pre-step check for |
|
772 | up the integer comparison logic, hence the pre-step check for | |
767 | None (f1 and f2 can only be workingfilectx's initially). |
|
773 | None (f1 and f2 can only be workingfilectx's initially). | |
768 | """ |
|
774 | """ | |
769 |
|
775 | |||
770 | if f1 == f2: |
|
776 | if f1 == f2: | |
771 | return True # a match |
|
777 | return True # a match | |
772 |
|
778 | |||
773 | g1, g2 = f1.ancestors(), f2.ancestors() |
|
779 | g1, g2 = f1.ancestors(), f2.ancestors() | |
774 | try: |
|
780 | try: | |
775 | f1r, f2r = f1.linkrev(), f2.linkrev() |
|
781 | f1r, f2r = f1.linkrev(), f2.linkrev() | |
776 |
|
782 | |||
777 | if f1r is None: |
|
783 | if f1r is None: | |
778 | f1 = next(g1) |
|
784 | f1 = next(g1) | |
779 | if f2r is None: |
|
785 | if f2r is None: | |
780 | f2 = next(g2) |
|
786 | f2 = next(g2) | |
781 |
|
787 | |||
782 | while True: |
|
788 | while True: | |
783 | f1r, f2r = f1.linkrev(), f2.linkrev() |
|
789 | f1r, f2r = f1.linkrev(), f2.linkrev() | |
784 | if f1r > f2r: |
|
790 | if f1r > f2r: | |
785 | f1 = next(g1) |
|
791 | f1 = next(g1) | |
786 | elif f2r > f1r: |
|
792 | elif f2r > f1r: | |
787 | f2 = next(g2) |
|
793 | f2 = next(g2) | |
788 | else: # f1 and f2 point to files in the same linkrev |
|
794 | else: # f1 and f2 point to files in the same linkrev | |
789 | return f1 == f2 # true if they point to the same file |
|
795 | return f1 == f2 # true if they point to the same file | |
790 | except StopIteration: |
|
796 | except StopIteration: | |
791 | return False |
|
797 | return False | |
792 |
|
798 | |||
793 |
|
799 | |||
794 | def duplicatecopies(repo, wctx, rev, fromrev, skiprev=None): |
|
800 | def duplicatecopies(repo, wctx, rev, fromrev, skiprev=None): | |
795 | """reproduce copies from fromrev to rev in the dirstate |
|
801 | """reproduce copies from fromrev to rev in the dirstate | |
796 |
|
802 | |||
797 | If skiprev is specified, it's a revision that should be used to |
|
803 | If skiprev is specified, it's a revision that should be used to | |
798 | filter copy records. Any copies that occur between fromrev and |
|
804 | filter copy records. Any copies that occur between fromrev and | |
799 | skiprev will not be duplicated, even if they appear in the set of |
|
805 | skiprev will not be duplicated, even if they appear in the set of | |
800 | copies between fromrev and rev. |
|
806 | copies between fromrev and rev. | |
801 | """ |
|
807 | """ | |
802 | exclude = {} |
|
808 | exclude = {} | |
803 | ctraceconfig = repo.ui.config(b'experimental', b'copytrace') |
|
809 | ctraceconfig = repo.ui.config(b'experimental', b'copytrace') | |
804 | bctrace = stringutil.parsebool(ctraceconfig) |
|
810 | bctrace = stringutil.parsebool(ctraceconfig) | |
805 | if skiprev is not None and ( |
|
811 | if skiprev is not None and ( | |
806 | ctraceconfig == b'heuristics' or bctrace or bctrace is None |
|
812 | ctraceconfig == b'heuristics' or bctrace or bctrace is None | |
807 | ): |
|
813 | ): | |
808 | # copytrace='off' skips this line, but not the entire function because |
|
814 | # copytrace='off' skips this line, but not the entire function because | |
809 | # the line below is O(size of the repo) during a rebase, while the rest |
|
815 | # the line below is O(size of the repo) during a rebase, while the rest | |
810 | # of the function is much faster (and is required for carrying copy |
|
816 | # of the function is much faster (and is required for carrying copy | |
811 | # metadata across the rebase anyway). |
|
817 | # metadata across the rebase anyway). | |
812 | exclude = pathcopies(repo[fromrev], repo[skiprev]) |
|
818 | exclude = pathcopies(repo[fromrev], repo[skiprev]) | |
813 | for dst, src in pycompat.iteritems(pathcopies(repo[fromrev], repo[rev])): |
|
819 | for dst, src in pycompat.iteritems(pathcopies(repo[fromrev], repo[rev])): | |
814 | if dst in exclude: |
|
820 | if dst in exclude: | |
815 | continue |
|
821 | continue | |
816 | if dst in wctx: |
|
822 | if dst in wctx: | |
817 | wctx[dst].markcopied(src) |
|
823 | wctx[dst].markcopied(src) | |
818 |
|
824 | |||
819 |
|
825 | |||
820 | def computechangesetfilesadded(ctx): |
|
826 | def computechangesetfilesadded(ctx): | |
821 | """return the list of files added in a changeset |
|
827 | """return the list of files added in a changeset | |
822 | """ |
|
828 | """ | |
823 | added = [] |
|
829 | added = [] | |
824 | for f in ctx.files(): |
|
830 | for f in ctx.files(): | |
825 | if not any(f in p for p in ctx.parents()): |
|
831 | if not any(f in p for p in ctx.parents()): | |
826 | added.append(f) |
|
832 | added.append(f) | |
827 | return added |
|
833 | return added | |
828 |
|
834 | |||
829 |
|
835 | |||
830 | def computechangesetfilesremoved(ctx): |
|
836 | def computechangesetfilesremoved(ctx): | |
831 | """return the list of files removed in a changeset |
|
837 | """return the list of files removed in a changeset | |
832 | """ |
|
838 | """ | |
833 | removed = [] |
|
839 | removed = [] | |
834 | for f in ctx.files(): |
|
840 | for f in ctx.files(): | |
835 | if f not in ctx: |
|
841 | if f not in ctx: | |
836 | removed.append(f) |
|
842 | removed.append(f) | |
837 | return removed |
|
843 | return removed | |
838 |
|
844 | |||
839 |
|
845 | |||
840 | def computechangesetcopies(ctx): |
|
846 | def computechangesetcopies(ctx): | |
841 | """return the copies data for a changeset |
|
847 | """return the copies data for a changeset | |
842 |
|
848 | |||
843 | The copies data are returned as a pair of dictionnary (p1copies, p2copies). |
|
849 | The copies data are returned as a pair of dictionnary (p1copies, p2copies). | |
844 |
|
850 | |||
845 | Each dictionnary are in the form: `{newname: oldname}` |
|
851 | Each dictionnary are in the form: `{newname: oldname}` | |
846 | """ |
|
852 | """ | |
847 | p1copies = {} |
|
853 | p1copies = {} | |
848 | p2copies = {} |
|
854 | p2copies = {} | |
849 | p1 = ctx.p1() |
|
855 | p1 = ctx.p1() | |
850 | p2 = ctx.p2() |
|
856 | p2 = ctx.p2() | |
851 | narrowmatch = ctx._repo.narrowmatch() |
|
857 | narrowmatch = ctx._repo.narrowmatch() | |
852 | for dst in ctx.files(): |
|
858 | for dst in ctx.files(): | |
853 | if not narrowmatch(dst) or dst not in ctx: |
|
859 | if not narrowmatch(dst) or dst not in ctx: | |
854 | continue |
|
860 | continue | |
855 | copied = ctx[dst].renamed() |
|
861 | copied = ctx[dst].renamed() | |
856 | if not copied: |
|
862 | if not copied: | |
857 | continue |
|
863 | continue | |
858 | src, srcnode = copied |
|
864 | src, srcnode = copied | |
859 | if src in p1 and p1[src].filenode() == srcnode: |
|
865 | if src in p1 and p1[src].filenode() == srcnode: | |
860 | p1copies[dst] = src |
|
866 | p1copies[dst] = src | |
861 | elif src in p2 and p2[src].filenode() == srcnode: |
|
867 | elif src in p2 and p2[src].filenode() == srcnode: | |
862 | p2copies[dst] = src |
|
868 | p2copies[dst] = src | |
863 | return p1copies, p2copies |
|
869 | return p1copies, p2copies | |
864 |
|
870 | |||
865 |
|
871 | |||
866 | def encodecopies(files, copies): |
|
872 | def encodecopies(files, copies): | |
867 | items = [] |
|
873 | items = [] | |
868 | for i, dst in enumerate(files): |
|
874 | for i, dst in enumerate(files): | |
869 | if dst in copies: |
|
875 | if dst in copies: | |
870 | items.append(b'%d\0%s' % (i, copies[dst])) |
|
876 | items.append(b'%d\0%s' % (i, copies[dst])) | |
871 | if len(items) != len(copies): |
|
877 | if len(items) != len(copies): | |
872 | raise error.ProgrammingError( |
|
878 | raise error.ProgrammingError( | |
873 | b'some copy targets missing from file list' |
|
879 | b'some copy targets missing from file list' | |
874 | ) |
|
880 | ) | |
875 | return b"\n".join(items) |
|
881 | return b"\n".join(items) | |
876 |
|
882 | |||
877 |
|
883 | |||
878 | def decodecopies(files, data): |
|
884 | def decodecopies(files, data): | |
879 | try: |
|
885 | try: | |
880 | copies = {} |
|
886 | copies = {} | |
881 | if not data: |
|
887 | if not data: | |
882 | return copies |
|
888 | return copies | |
883 | for l in data.split(b'\n'): |
|
889 | for l in data.split(b'\n'): | |
884 | strindex, src = l.split(b'\0') |
|
890 | strindex, src = l.split(b'\0') | |
885 | i = int(strindex) |
|
891 | i = int(strindex) | |
886 | dst = files[i] |
|
892 | dst = files[i] | |
887 | copies[dst] = src |
|
893 | copies[dst] = src | |
888 | return copies |
|
894 | return copies | |
889 | except (ValueError, IndexError): |
|
895 | except (ValueError, IndexError): | |
890 | # Perhaps someone had chosen the same key name (e.g. "p1copies") and |
|
896 | # Perhaps someone had chosen the same key name (e.g. "p1copies") and | |
891 | # used different syntax for the value. |
|
897 | # used different syntax for the value. | |
892 | return None |
|
898 | return None | |
893 |
|
899 | |||
894 |
|
900 | |||
895 | def encodefileindices(files, subset): |
|
901 | def encodefileindices(files, subset): | |
896 | subset = set(subset) |
|
902 | subset = set(subset) | |
897 | indices = [] |
|
903 | indices = [] | |
898 | for i, f in enumerate(files): |
|
904 | for i, f in enumerate(files): | |
899 | if f in subset: |
|
905 | if f in subset: | |
900 | indices.append(b'%d' % i) |
|
906 | indices.append(b'%d' % i) | |
901 | return b'\n'.join(indices) |
|
907 | return b'\n'.join(indices) | |
902 |
|
908 | |||
903 |
|
909 | |||
904 | def decodefileindices(files, data): |
|
910 | def decodefileindices(files, data): | |
905 | try: |
|
911 | try: | |
906 | subset = [] |
|
912 | subset = [] | |
907 | if not data: |
|
913 | if not data: | |
908 | return subset |
|
914 | return subset | |
909 | for strindex in data.split(b'\n'): |
|
915 | for strindex in data.split(b'\n'): | |
910 | i = int(strindex) |
|
916 | i = int(strindex) | |
911 | if i < 0 or i >= len(files): |
|
917 | if i < 0 or i >= len(files): | |
912 | return None |
|
918 | return None | |
913 | subset.append(files[i]) |
|
919 | subset.append(files[i]) | |
914 | return subset |
|
920 | return subset | |
915 | except (ValueError, IndexError): |
|
921 | except (ValueError, IndexError): | |
916 | # Perhaps someone had chosen the same key name (e.g. "added") and |
|
922 | # Perhaps someone had chosen the same key name (e.g. "added") and | |
917 | # used different syntax for the value. |
|
923 | # used different syntax for the value. | |
918 | return None |
|
924 | return None | |
919 |
|
925 | |||
920 |
|
926 | |||
921 | def _getsidedata(srcrepo, rev): |
|
927 | def _getsidedata(srcrepo, rev): | |
922 | ctx = srcrepo[rev] |
|
928 | ctx = srcrepo[rev] | |
923 | filescopies = computechangesetcopies(ctx) |
|
929 | filescopies = computechangesetcopies(ctx) | |
924 | filesadded = computechangesetfilesadded(ctx) |
|
930 | filesadded = computechangesetfilesadded(ctx) | |
925 | filesremoved = computechangesetfilesremoved(ctx) |
|
931 | filesremoved = computechangesetfilesremoved(ctx) | |
926 | sidedata = {} |
|
932 | sidedata = {} | |
927 | if any([filescopies, filesadded, filesremoved]): |
|
933 | if any([filescopies, filesadded, filesremoved]): | |
928 | sortedfiles = sorted(ctx.files()) |
|
934 | sortedfiles = sorted(ctx.files()) | |
929 | p1copies, p2copies = filescopies |
|
935 | p1copies, p2copies = filescopies | |
930 | p1copies = encodecopies(sortedfiles, p1copies) |
|
936 | p1copies = encodecopies(sortedfiles, p1copies) | |
931 | p2copies = encodecopies(sortedfiles, p2copies) |
|
937 | p2copies = encodecopies(sortedfiles, p2copies) | |
932 | filesadded = encodefileindices(sortedfiles, filesadded) |
|
938 | filesadded = encodefileindices(sortedfiles, filesadded) | |
933 | filesremoved = encodefileindices(sortedfiles, filesremoved) |
|
939 | filesremoved = encodefileindices(sortedfiles, filesremoved) | |
934 | if p1copies: |
|
940 | if p1copies: | |
935 | sidedata[sidedatamod.SD_P1COPIES] = p1copies |
|
941 | sidedata[sidedatamod.SD_P1COPIES] = p1copies | |
936 | if p2copies: |
|
942 | if p2copies: | |
937 | sidedata[sidedatamod.SD_P2COPIES] = p2copies |
|
943 | sidedata[sidedatamod.SD_P2COPIES] = p2copies | |
938 | if filesadded: |
|
944 | if filesadded: | |
939 | sidedata[sidedatamod.SD_FILESADDED] = filesadded |
|
945 | sidedata[sidedatamod.SD_FILESADDED] = filesadded | |
940 | if filesremoved: |
|
946 | if filesremoved: | |
941 | sidedata[sidedatamod.SD_FILESREMOVED] = filesremoved |
|
947 | sidedata[sidedatamod.SD_FILESREMOVED] = filesremoved | |
942 | return sidedata |
|
948 | return sidedata | |
943 |
|
949 | |||
944 |
|
950 | |||
945 | def getsidedataadder(srcrepo, destrepo): |
|
951 | def getsidedataadder(srcrepo, destrepo): | |
946 | def sidedatacompanion(revlog, rev): |
|
952 | def sidedatacompanion(revlog, rev): | |
947 | sidedata = {} |
|
953 | sidedata = {} | |
948 | if util.safehasattr(revlog, 'filteredrevs'): # this is a changelog |
|
954 | if util.safehasattr(revlog, 'filteredrevs'): # this is a changelog | |
949 | sidedata = _getsidedata(srcrepo, rev) |
|
955 | sidedata = _getsidedata(srcrepo, rev) | |
950 | return False, (), sidedata |
|
956 | return False, (), sidedata | |
951 |
|
957 | |||
952 | return sidedatacompanion |
|
958 | return sidedatacompanion | |
953 |
|
959 | |||
954 |
|
960 | |||
955 | def getsidedataremover(srcrepo, destrepo): |
|
961 | def getsidedataremover(srcrepo, destrepo): | |
956 | def sidedatacompanion(revlog, rev): |
|
962 | def sidedatacompanion(revlog, rev): | |
957 | f = () |
|
963 | f = () | |
958 | if util.safehasattr(revlog, 'filteredrevs'): # this is a changelog |
|
964 | if util.safehasattr(revlog, 'filteredrevs'): # this is a changelog | |
959 | if revlog.flags(rev) & REVIDX_SIDEDATA: |
|
965 | if revlog.flags(rev) & REVIDX_SIDEDATA: | |
960 | f = ( |
|
966 | f = ( | |
961 | sidedatamod.SD_P1COPIES, |
|
967 | sidedatamod.SD_P1COPIES, | |
962 | sidedatamod.SD_P2COPIES, |
|
968 | sidedatamod.SD_P2COPIES, | |
963 | sidedatamod.SD_FILESADDED, |
|
969 | sidedatamod.SD_FILESADDED, | |
964 | sidedatamod.SD_FILESREMOVED, |
|
970 | sidedatamod.SD_FILESREMOVED, | |
965 | ) |
|
971 | ) | |
966 | return False, f, {} |
|
972 | return False, f, {} | |
967 |
|
973 | |||
968 | return sidedatacompanion |
|
974 | return sidedatacompanion |
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