Mercurial > hg
annotate mercurial/dagop.py @ 36309:94a1ff16f362
debuginstall: do not parse editor command in posix way on Windows
An editor command is executed by a system shell, which is cmd.exe on Windows.
author | Yuya Nishihara <yuya@tcha.org> |
---|---|
date | Sat, 17 Feb 2018 13:13:04 +0900 |
parents | c9144396099b |
children | 7affcabf561e |
rev | line source |
---|---|
32903
27932a76a88d
dagop: split module hosting DAG-related algorithms from revset
Yuya Nishihara <yuya@tcha.org>
parents:
32885
diff
changeset
|
1 # dagop.py - graph ancestry and topology algorithm for revset |
11275 | 2 # |
3 # Copyright 2010 Matt Mackall <mpm@selenic.com> | |
4 # | |
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. | |
7 | |
25971
e9cd028f2dff
revset: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25929
diff
changeset
|
8 from __future__ import absolute_import |
e9cd028f2dff
revset: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25929
diff
changeset
|
9 |
20690
13c0327eeb6f
revset: changed ancestors revset to return lazy generators
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20659
diff
changeset
|
10 import heapq |
25971
e9cd028f2dff
revset: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25929
diff
changeset
|
11 |
e9cd028f2dff
revset: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25929
diff
changeset
|
12 from . import ( |
e9cd028f2dff
revset: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25929
diff
changeset
|
13 error, |
32904
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
14 mdiff, |
25971
e9cd028f2dff
revset: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25929
diff
changeset
|
15 node, |
32904
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
16 patch, |
30881
1be65deb3d54
smartset: move set classes and related functions from revset module (API)
Yuya Nishihara <yuya@tcha.org>
parents:
30850
diff
changeset
|
17 smartset, |
25971
e9cd028f2dff
revset: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25929
diff
changeset
|
18 ) |
11275 | 19 |
30881
1be65deb3d54
smartset: move set classes and related functions from revset module (API)
Yuya Nishihara <yuya@tcha.org>
parents:
30850
diff
changeset
|
20 baseset = smartset.baseset |
1be65deb3d54
smartset: move set classes and related functions from revset module (API)
Yuya Nishihara <yuya@tcha.org>
parents:
30850
diff
changeset
|
21 generatorset = smartset.generatorset |
1be65deb3d54
smartset: move set classes and related functions from revset module (API)
Yuya Nishihara <yuya@tcha.org>
parents:
30850
diff
changeset
|
22 |
33002
272a44cac57e
revset: add depth limit to ancestors()
Yuya Nishihara <yuya@tcha.org>
parents:
33001
diff
changeset
|
23 # possible maximum depth between null and wdir() |
272a44cac57e
revset: add depth limit to ancestors()
Yuya Nishihara <yuya@tcha.org>
parents:
33001
diff
changeset
|
24 _maxlogdepth = 0x80000000 |
272a44cac57e
revset: add depth limit to ancestors()
Yuya Nishihara <yuya@tcha.org>
parents:
33001
diff
changeset
|
25 |
33079
550c390cd9b2
dagop: make walk direction switchable so it can track descendants
Yuya Nishihara <yuya@tcha.org>
parents:
33078
diff
changeset
|
26 def _walkrevtree(pfunc, revs, startdepth, stopdepth, reverse): |
33078
fb663bd0243f
dagop: factor out generator of ancestor nodes
Yuya Nishihara <yuya@tcha.org>
parents:
33077
diff
changeset
|
27 """Walk DAG using 'pfunc' from the given 'revs' nodes |
fb663bd0243f
dagop: factor out generator of ancestor nodes
Yuya Nishihara <yuya@tcha.org>
parents:
33077
diff
changeset
|
28 |
33079
550c390cd9b2
dagop: make walk direction switchable so it can track descendants
Yuya Nishihara <yuya@tcha.org>
parents:
33078
diff
changeset
|
29 'pfunc(rev)' should return the parent/child revisions of the given 'rev' |
550c390cd9b2
dagop: make walk direction switchable so it can track descendants
Yuya Nishihara <yuya@tcha.org>
parents:
33078
diff
changeset
|
30 if 'reverse' is True/False respectively. |
33078
fb663bd0243f
dagop: factor out generator of ancestor nodes
Yuya Nishihara <yuya@tcha.org>
parents:
33077
diff
changeset
|
31 |
fb663bd0243f
dagop: factor out generator of ancestor nodes
Yuya Nishihara <yuya@tcha.org>
parents:
33077
diff
changeset
|
32 Scan ends at the stopdepth (exlusive) if specified. Revisions found |
fb663bd0243f
dagop: factor out generator of ancestor nodes
Yuya Nishihara <yuya@tcha.org>
parents:
33077
diff
changeset
|
33 earlier than the startdepth are omitted. |
fb663bd0243f
dagop: factor out generator of ancestor nodes
Yuya Nishihara <yuya@tcha.org>
parents:
33077
diff
changeset
|
34 """ |
33003
f63d111258da
revset: add startdepth limit to ancestors() as internal option
Yuya Nishihara <yuya@tcha.org>
parents:
33002
diff
changeset
|
35 if startdepth is None: |
f63d111258da
revset: add startdepth limit to ancestors() as internal option
Yuya Nishihara <yuya@tcha.org>
parents:
33002
diff
changeset
|
36 startdepth = 0 |
33002
272a44cac57e
revset: add depth limit to ancestors()
Yuya Nishihara <yuya@tcha.org>
parents:
33001
diff
changeset
|
37 if stopdepth is None: |
272a44cac57e
revset: add depth limit to ancestors()
Yuya Nishihara <yuya@tcha.org>
parents:
33001
diff
changeset
|
38 stopdepth = _maxlogdepth |
33027
a10f5f6771f6
dagop: raise ProgrammingError if stopdepth < 0
Martin von Zweigbergk <martinvonz@google.com>
parents:
33003
diff
changeset
|
39 if stopdepth == 0: |
33002
272a44cac57e
revset: add depth limit to ancestors()
Yuya Nishihara <yuya@tcha.org>
parents:
33001
diff
changeset
|
40 return |
33027
a10f5f6771f6
dagop: raise ProgrammingError if stopdepth < 0
Martin von Zweigbergk <martinvonz@google.com>
parents:
33003
diff
changeset
|
41 if stopdepth < 0: |
a10f5f6771f6
dagop: raise ProgrammingError if stopdepth < 0
Martin von Zweigbergk <martinvonz@google.com>
parents:
33003
diff
changeset
|
42 raise error.ProgrammingError('negative stopdepth') |
33079
550c390cd9b2
dagop: make walk direction switchable so it can track descendants
Yuya Nishihara <yuya@tcha.org>
parents:
33078
diff
changeset
|
43 if reverse: |
550c390cd9b2
dagop: make walk direction switchable so it can track descendants
Yuya Nishihara <yuya@tcha.org>
parents:
33078
diff
changeset
|
44 heapsign = -1 # max heap |
550c390cd9b2
dagop: make walk direction switchable so it can track descendants
Yuya Nishihara <yuya@tcha.org>
parents:
33078
diff
changeset
|
45 else: |
550c390cd9b2
dagop: make walk direction switchable so it can track descendants
Yuya Nishihara <yuya@tcha.org>
parents:
33078
diff
changeset
|
46 heapsign = +1 # min heap |
33002
272a44cac57e
revset: add depth limit to ancestors()
Yuya Nishihara <yuya@tcha.org>
parents:
33001
diff
changeset
|
47 |
32998
c7da57bbae96
dagop: comment why revancestors() doesn't heapify input revs at once
Yuya Nishihara <yuya@tcha.org>
parents:
32997
diff
changeset
|
48 # load input revs lazily to heap so earlier revisions can be yielded |
c7da57bbae96
dagop: comment why revancestors() doesn't heapify input revs at once
Yuya Nishihara <yuya@tcha.org>
parents:
32997
diff
changeset
|
49 # without fully computing the input revs |
33079
550c390cd9b2
dagop: make walk direction switchable so it can track descendants
Yuya Nishihara <yuya@tcha.org>
parents:
33078
diff
changeset
|
50 revs.sort(reverse) |
32997
b9e2269aeff8
dagop: unnest inner generator of revancestors()
Yuya Nishihara <yuya@tcha.org>
parents:
32904
diff
changeset
|
51 irevs = iter(revs) |
33079
550c390cd9b2
dagop: make walk direction switchable so it can track descendants
Yuya Nishihara <yuya@tcha.org>
parents:
33078
diff
changeset
|
52 pendingheap = [] # [(heapsign * rev, depth), ...] (i.e. lower depth first) |
20690
13c0327eeb6f
revset: changed ancestors revset to return lazy generators
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20659
diff
changeset
|
53 |
32997
b9e2269aeff8
dagop: unnest inner generator of revancestors()
Yuya Nishihara <yuya@tcha.org>
parents:
32904
diff
changeset
|
54 inputrev = next(irevs, None) |
b9e2269aeff8
dagop: unnest inner generator of revancestors()
Yuya Nishihara <yuya@tcha.org>
parents:
32904
diff
changeset
|
55 if inputrev is not None: |
33079
550c390cd9b2
dagop: make walk direction switchable so it can track descendants
Yuya Nishihara <yuya@tcha.org>
parents:
33078
diff
changeset
|
56 heapq.heappush(pendingheap, (heapsign * inputrev, 0)) |
20691
c1f666e27345
revset: optimized _revancestors method based on order of revisions
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20690
diff
changeset
|
57 |
33000
d3d36bcdf036
dagop: just compare with the last value to deduplicate input of revancestors()
Yuya Nishihara <yuya@tcha.org>
parents:
32999
diff
changeset
|
58 lastrev = None |
32999
08e2793d9f65
dagop: bulk rename variables in revancestors() generator
Yuya Nishihara <yuya@tcha.org>
parents:
32998
diff
changeset
|
59 while pendingheap: |
33001
92d0945a15e0
dagop: compute depth in revancestors() generator
Yuya Nishihara <yuya@tcha.org>
parents:
33000
diff
changeset
|
60 currev, curdepth = heapq.heappop(pendingheap) |
33079
550c390cd9b2
dagop: make walk direction switchable so it can track descendants
Yuya Nishihara <yuya@tcha.org>
parents:
33078
diff
changeset
|
61 currev = heapsign * currev |
32999
08e2793d9f65
dagop: bulk rename variables in revancestors() generator
Yuya Nishihara <yuya@tcha.org>
parents:
32998
diff
changeset
|
62 if currev == inputrev: |
32997
b9e2269aeff8
dagop: unnest inner generator of revancestors()
Yuya Nishihara <yuya@tcha.org>
parents:
32904
diff
changeset
|
63 inputrev = next(irevs, None) |
b9e2269aeff8
dagop: unnest inner generator of revancestors()
Yuya Nishihara <yuya@tcha.org>
parents:
32904
diff
changeset
|
64 if inputrev is not None: |
33079
550c390cd9b2
dagop: make walk direction switchable so it can track descendants
Yuya Nishihara <yuya@tcha.org>
parents:
33078
diff
changeset
|
65 heapq.heappush(pendingheap, (heapsign * inputrev, 0)) |
33003
f63d111258da
revset: add startdepth limit to ancestors() as internal option
Yuya Nishihara <yuya@tcha.org>
parents:
33002
diff
changeset
|
66 # rescan parents until curdepth >= startdepth because queued entries |
f63d111258da
revset: add startdepth limit to ancestors() as internal option
Yuya Nishihara <yuya@tcha.org>
parents:
33002
diff
changeset
|
67 # of the same revision are iterated from the lowest depth |
33002
272a44cac57e
revset: add depth limit to ancestors()
Yuya Nishihara <yuya@tcha.org>
parents:
33001
diff
changeset
|
68 foundnew = (currev != lastrev) |
33003
f63d111258da
revset: add startdepth limit to ancestors() as internal option
Yuya Nishihara <yuya@tcha.org>
parents:
33002
diff
changeset
|
69 if foundnew and curdepth >= startdepth: |
33000
d3d36bcdf036
dagop: just compare with the last value to deduplicate input of revancestors()
Yuya Nishihara <yuya@tcha.org>
parents:
32999
diff
changeset
|
70 lastrev = currev |
32999
08e2793d9f65
dagop: bulk rename variables in revancestors() generator
Yuya Nishihara <yuya@tcha.org>
parents:
32998
diff
changeset
|
71 yield currev |
33002
272a44cac57e
revset: add depth limit to ancestors()
Yuya Nishihara <yuya@tcha.org>
parents:
33001
diff
changeset
|
72 pdepth = curdepth + 1 |
272a44cac57e
revset: add depth limit to ancestors()
Yuya Nishihara <yuya@tcha.org>
parents:
33001
diff
changeset
|
73 if foundnew and pdepth < stopdepth: |
33077
58ebb38456e0
dagop: factor out pfunc from revancestors() generator
Yuya Nishihara <yuya@tcha.org>
parents:
33076
diff
changeset
|
74 for prev in pfunc(currev): |
58ebb38456e0
dagop: factor out pfunc from revancestors() generator
Yuya Nishihara <yuya@tcha.org>
parents:
33076
diff
changeset
|
75 if prev != node.nullrev: |
33079
550c390cd9b2
dagop: make walk direction switchable so it can track descendants
Yuya Nishihara <yuya@tcha.org>
parents:
33078
diff
changeset
|
76 heapq.heappush(pendingheap, (heapsign * prev, pdepth)) |
20690
13c0327eeb6f
revset: changed ancestors revset to return lazy generators
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20659
diff
changeset
|
77 |
35276
205c3c6c1a51
dagop: extend filectxancestors() to walk multiple files
Yuya Nishihara <yuya@tcha.org>
parents:
35275
diff
changeset
|
78 def filectxancestors(fctxs, followfirst=False): |
205c3c6c1a51
dagop: extend filectxancestors() to walk multiple files
Yuya Nishihara <yuya@tcha.org>
parents:
35275
diff
changeset
|
79 """Like filectx.ancestors(), but can walk from multiple files/revisions, |
35296
2cb05e6043be
dagop: add smartset interface to filectxancestors()
Yuya Nishihara <yuya@tcha.org>
parents:
35276
diff
changeset
|
80 and includes the given fctxs themselves |
2cb05e6043be
dagop: add smartset interface to filectxancestors()
Yuya Nishihara <yuya@tcha.org>
parents:
35276
diff
changeset
|
81 |
2cb05e6043be
dagop: add smartset interface to filectxancestors()
Yuya Nishihara <yuya@tcha.org>
parents:
35276
diff
changeset
|
82 Yields (rev, {fctx, ...}) pairs in descending order. |
2cb05e6043be
dagop: add smartset interface to filectxancestors()
Yuya Nishihara <yuya@tcha.org>
parents:
35276
diff
changeset
|
83 """ |
35270
0d27685b4a2f
dagop: copy basefilectx.ancestors() to free function
Yuya Nishihara <yuya@tcha.org>
parents:
34065
diff
changeset
|
84 visit = {} |
35297
c9144396099b
dagop: use heap to compute max rev in filectxancestors()
Yuya Nishihara <yuya@tcha.org>
parents:
35296
diff
changeset
|
85 visitheap = [] |
35274
2b348dc3239a
dagop: change visit dict of filectxancestors() indexed solely by rev
Yuya Nishihara <yuya@tcha.org>
parents:
35273
diff
changeset
|
86 def addvisit(fctx): |
2b348dc3239a
dagop: change visit dict of filectxancestors() indexed solely by rev
Yuya Nishihara <yuya@tcha.org>
parents:
35273
diff
changeset
|
87 rev = fctx.rev() |
2b348dc3239a
dagop: change visit dict of filectxancestors() indexed solely by rev
Yuya Nishihara <yuya@tcha.org>
parents:
35273
diff
changeset
|
88 if rev not in visit: |
2b348dc3239a
dagop: change visit dict of filectxancestors() indexed solely by rev
Yuya Nishihara <yuya@tcha.org>
parents:
35273
diff
changeset
|
89 visit[rev] = set() |
35297
c9144396099b
dagop: use heap to compute max rev in filectxancestors()
Yuya Nishihara <yuya@tcha.org>
parents:
35296
diff
changeset
|
90 heapq.heappush(visitheap, -rev) # max heap |
35274
2b348dc3239a
dagop: change visit dict of filectxancestors() indexed solely by rev
Yuya Nishihara <yuya@tcha.org>
parents:
35273
diff
changeset
|
91 visit[rev].add(fctx) |
2b348dc3239a
dagop: change visit dict of filectxancestors() indexed solely by rev
Yuya Nishihara <yuya@tcha.org>
parents:
35273
diff
changeset
|
92 |
35270
0d27685b4a2f
dagop: copy basefilectx.ancestors() to free function
Yuya Nishihara <yuya@tcha.org>
parents:
34065
diff
changeset
|
93 if followfirst: |
0d27685b4a2f
dagop: copy basefilectx.ancestors() to free function
Yuya Nishihara <yuya@tcha.org>
parents:
34065
diff
changeset
|
94 cut = 1 |
0d27685b4a2f
dagop: copy basefilectx.ancestors() to free function
Yuya Nishihara <yuya@tcha.org>
parents:
34065
diff
changeset
|
95 else: |
0d27685b4a2f
dagop: copy basefilectx.ancestors() to free function
Yuya Nishihara <yuya@tcha.org>
parents:
34065
diff
changeset
|
96 cut = None |
0d27685b4a2f
dagop: copy basefilectx.ancestors() to free function
Yuya Nishihara <yuya@tcha.org>
parents:
34065
diff
changeset
|
97 |
35276
205c3c6c1a51
dagop: extend filectxancestors() to walk multiple files
Yuya Nishihara <yuya@tcha.org>
parents:
35275
diff
changeset
|
98 for c in fctxs: |
205c3c6c1a51
dagop: extend filectxancestors() to walk multiple files
Yuya Nishihara <yuya@tcha.org>
parents:
35275
diff
changeset
|
99 addvisit(c) |
35275
b4b328ea6175
dagop: put start fctx into visit dict of filectxancestors()
Yuya Nishihara <yuya@tcha.org>
parents:
35274
diff
changeset
|
100 while visit: |
35297
c9144396099b
dagop: use heap to compute max rev in filectxancestors()
Yuya Nishihara <yuya@tcha.org>
parents:
35296
diff
changeset
|
101 currev = -heapq.heappop(visitheap) |
35296
2cb05e6043be
dagop: add smartset interface to filectxancestors()
Yuya Nishihara <yuya@tcha.org>
parents:
35276
diff
changeset
|
102 curfctxs = visit.pop(currev) |
2cb05e6043be
dagop: add smartset interface to filectxancestors()
Yuya Nishihara <yuya@tcha.org>
parents:
35276
diff
changeset
|
103 yield currev, curfctxs |
2cb05e6043be
dagop: add smartset interface to filectxancestors()
Yuya Nishihara <yuya@tcha.org>
parents:
35276
diff
changeset
|
104 for c in curfctxs: |
2cb05e6043be
dagop: add smartset interface to filectxancestors()
Yuya Nishihara <yuya@tcha.org>
parents:
35276
diff
changeset
|
105 for parent in c.parents()[:cut]: |
2cb05e6043be
dagop: add smartset interface to filectxancestors()
Yuya Nishihara <yuya@tcha.org>
parents:
35276
diff
changeset
|
106 addvisit(parent) |
35297
c9144396099b
dagop: use heap to compute max rev in filectxancestors()
Yuya Nishihara <yuya@tcha.org>
parents:
35296
diff
changeset
|
107 assert not visitheap |
35296
2cb05e6043be
dagop: add smartset interface to filectxancestors()
Yuya Nishihara <yuya@tcha.org>
parents:
35276
diff
changeset
|
108 |
2cb05e6043be
dagop: add smartset interface to filectxancestors()
Yuya Nishihara <yuya@tcha.org>
parents:
35276
diff
changeset
|
109 def filerevancestors(fctxs, followfirst=False): |
2cb05e6043be
dagop: add smartset interface to filectxancestors()
Yuya Nishihara <yuya@tcha.org>
parents:
35276
diff
changeset
|
110 """Like filectx.ancestors(), but can walk from multiple files/revisions, |
2cb05e6043be
dagop: add smartset interface to filectxancestors()
Yuya Nishihara <yuya@tcha.org>
parents:
35276
diff
changeset
|
111 and includes the given fctxs themselves |
2cb05e6043be
dagop: add smartset interface to filectxancestors()
Yuya Nishihara <yuya@tcha.org>
parents:
35276
diff
changeset
|
112 |
2cb05e6043be
dagop: add smartset interface to filectxancestors()
Yuya Nishihara <yuya@tcha.org>
parents:
35276
diff
changeset
|
113 Returns a smartset. |
2cb05e6043be
dagop: add smartset interface to filectxancestors()
Yuya Nishihara <yuya@tcha.org>
parents:
35276
diff
changeset
|
114 """ |
2cb05e6043be
dagop: add smartset interface to filectxancestors()
Yuya Nishihara <yuya@tcha.org>
parents:
35276
diff
changeset
|
115 gen = (rev for rev, _cs in filectxancestors(fctxs, followfirst)) |
2cb05e6043be
dagop: add smartset interface to filectxancestors()
Yuya Nishihara <yuya@tcha.org>
parents:
35276
diff
changeset
|
116 return generatorset(gen, iterasc=False) |
35270
0d27685b4a2f
dagop: copy basefilectx.ancestors() to free function
Yuya Nishihara <yuya@tcha.org>
parents:
34065
diff
changeset
|
117 |
34065
c6c8a52e28c9
revset: optimize "draft() & ::x" pattern
Jun Wu <quark@fb.com>
parents:
33284
diff
changeset
|
118 def _genrevancestors(repo, revs, followfirst, startdepth, stopdepth, cutfunc): |
33078
fb663bd0243f
dagop: factor out generator of ancestor nodes
Yuya Nishihara <yuya@tcha.org>
parents:
33077
diff
changeset
|
119 if followfirst: |
fb663bd0243f
dagop: factor out generator of ancestor nodes
Yuya Nishihara <yuya@tcha.org>
parents:
33077
diff
changeset
|
120 cut = 1 |
fb663bd0243f
dagop: factor out generator of ancestor nodes
Yuya Nishihara <yuya@tcha.org>
parents:
33077
diff
changeset
|
121 else: |
fb663bd0243f
dagop: factor out generator of ancestor nodes
Yuya Nishihara <yuya@tcha.org>
parents:
33077
diff
changeset
|
122 cut = None |
fb663bd0243f
dagop: factor out generator of ancestor nodes
Yuya Nishihara <yuya@tcha.org>
parents:
33077
diff
changeset
|
123 cl = repo.changelog |
34065
c6c8a52e28c9
revset: optimize "draft() & ::x" pattern
Jun Wu <quark@fb.com>
parents:
33284
diff
changeset
|
124 def plainpfunc(rev): |
33078
fb663bd0243f
dagop: factor out generator of ancestor nodes
Yuya Nishihara <yuya@tcha.org>
parents:
33077
diff
changeset
|
125 try: |
fb663bd0243f
dagop: factor out generator of ancestor nodes
Yuya Nishihara <yuya@tcha.org>
parents:
33077
diff
changeset
|
126 return cl.parentrevs(rev)[:cut] |
fb663bd0243f
dagop: factor out generator of ancestor nodes
Yuya Nishihara <yuya@tcha.org>
parents:
33077
diff
changeset
|
127 except error.WdirUnsupported: |
fb663bd0243f
dagop: factor out generator of ancestor nodes
Yuya Nishihara <yuya@tcha.org>
parents:
33077
diff
changeset
|
128 return (pctx.rev() for pctx in repo[rev].parents()[:cut]) |
34065
c6c8a52e28c9
revset: optimize "draft() & ::x" pattern
Jun Wu <quark@fb.com>
parents:
33284
diff
changeset
|
129 if cutfunc is None: |
c6c8a52e28c9
revset: optimize "draft() & ::x" pattern
Jun Wu <quark@fb.com>
parents:
33284
diff
changeset
|
130 pfunc = plainpfunc |
c6c8a52e28c9
revset: optimize "draft() & ::x" pattern
Jun Wu <quark@fb.com>
parents:
33284
diff
changeset
|
131 else: |
c6c8a52e28c9
revset: optimize "draft() & ::x" pattern
Jun Wu <quark@fb.com>
parents:
33284
diff
changeset
|
132 pfunc = lambda rev: [r for r in plainpfunc(rev) if not cutfunc(r)] |
c6c8a52e28c9
revset: optimize "draft() & ::x" pattern
Jun Wu <quark@fb.com>
parents:
33284
diff
changeset
|
133 revs = revs.filter(lambda rev: not cutfunc(rev)) |
33079
550c390cd9b2
dagop: make walk direction switchable so it can track descendants
Yuya Nishihara <yuya@tcha.org>
parents:
33078
diff
changeset
|
134 return _walkrevtree(pfunc, revs, startdepth, stopdepth, reverse=True) |
33078
fb663bd0243f
dagop: factor out generator of ancestor nodes
Yuya Nishihara <yuya@tcha.org>
parents:
33077
diff
changeset
|
135 |
34065
c6c8a52e28c9
revset: optimize "draft() & ::x" pattern
Jun Wu <quark@fb.com>
parents:
33284
diff
changeset
|
136 def revancestors(repo, revs, followfirst=False, startdepth=None, |
c6c8a52e28c9
revset: optimize "draft() & ::x" pattern
Jun Wu <quark@fb.com>
parents:
33284
diff
changeset
|
137 stopdepth=None, cutfunc=None): |
33002
272a44cac57e
revset: add depth limit to ancestors()
Yuya Nishihara <yuya@tcha.org>
parents:
33001
diff
changeset
|
138 """Like revlog.ancestors(), but supports additional options, includes |
272a44cac57e
revset: add depth limit to ancestors()
Yuya Nishihara <yuya@tcha.org>
parents:
33001
diff
changeset
|
139 the given revs themselves, and returns a smartset |
272a44cac57e
revset: add depth limit to ancestors()
Yuya Nishihara <yuya@tcha.org>
parents:
33001
diff
changeset
|
140 |
33003
f63d111258da
revset: add startdepth limit to ancestors() as internal option
Yuya Nishihara <yuya@tcha.org>
parents:
33002
diff
changeset
|
141 Scan ends at the stopdepth (exlusive) if specified. Revisions found |
f63d111258da
revset: add startdepth limit to ancestors() as internal option
Yuya Nishihara <yuya@tcha.org>
parents:
33002
diff
changeset
|
142 earlier than the startdepth are omitted. |
34065
c6c8a52e28c9
revset: optimize "draft() & ::x" pattern
Jun Wu <quark@fb.com>
parents:
33284
diff
changeset
|
143 |
c6c8a52e28c9
revset: optimize "draft() & ::x" pattern
Jun Wu <quark@fb.com>
parents:
33284
diff
changeset
|
144 If cutfunc is provided, it will be used to cut the traversal of the DAG. |
c6c8a52e28c9
revset: optimize "draft() & ::x" pattern
Jun Wu <quark@fb.com>
parents:
33284
diff
changeset
|
145 When cutfunc(X) returns True, the DAG traversal stops - revision X and |
c6c8a52e28c9
revset: optimize "draft() & ::x" pattern
Jun Wu <quark@fb.com>
parents:
33284
diff
changeset
|
146 X's ancestors in the traversal path will be skipped. This could be an |
c6c8a52e28c9
revset: optimize "draft() & ::x" pattern
Jun Wu <quark@fb.com>
parents:
33284
diff
changeset
|
147 optimization sometimes. |
c6c8a52e28c9
revset: optimize "draft() & ::x" pattern
Jun Wu <quark@fb.com>
parents:
33284
diff
changeset
|
148 |
c6c8a52e28c9
revset: optimize "draft() & ::x" pattern
Jun Wu <quark@fb.com>
parents:
33284
diff
changeset
|
149 Note: if Y is an ancestor of X, cutfunc(X) returning True does not |
c6c8a52e28c9
revset: optimize "draft() & ::x" pattern
Jun Wu <quark@fb.com>
parents:
33284
diff
changeset
|
150 necessarily mean Y will also be cut. Usually cutfunc(Y) also wants to |
c6c8a52e28c9
revset: optimize "draft() & ::x" pattern
Jun Wu <quark@fb.com>
parents:
33284
diff
changeset
|
151 return True in this case. For example, |
c6c8a52e28c9
revset: optimize "draft() & ::x" pattern
Jun Wu <quark@fb.com>
parents:
33284
diff
changeset
|
152 |
c6c8a52e28c9
revset: optimize "draft() & ::x" pattern
Jun Wu <quark@fb.com>
parents:
33284
diff
changeset
|
153 D # revancestors(repo, D, cutfunc=lambda rev: rev == B) |
c6c8a52e28c9
revset: optimize "draft() & ::x" pattern
Jun Wu <quark@fb.com>
parents:
33284
diff
changeset
|
154 |\ # will include "A", because the path D -> C -> A was not cut. |
c6c8a52e28c9
revset: optimize "draft() & ::x" pattern
Jun Wu <quark@fb.com>
parents:
33284
diff
changeset
|
155 B C # If "B" gets cut, "A" might want to be cut too. |
c6c8a52e28c9
revset: optimize "draft() & ::x" pattern
Jun Wu <quark@fb.com>
parents:
33284
diff
changeset
|
156 |/ |
c6c8a52e28c9
revset: optimize "draft() & ::x" pattern
Jun Wu <quark@fb.com>
parents:
33284
diff
changeset
|
157 A |
33002
272a44cac57e
revset: add depth limit to ancestors()
Yuya Nishihara <yuya@tcha.org>
parents:
33001
diff
changeset
|
158 """ |
34065
c6c8a52e28c9
revset: optimize "draft() & ::x" pattern
Jun Wu <quark@fb.com>
parents:
33284
diff
changeset
|
159 gen = _genrevancestors(repo, revs, followfirst, startdepth, stopdepth, |
c6c8a52e28c9
revset: optimize "draft() & ::x" pattern
Jun Wu <quark@fb.com>
parents:
33284
diff
changeset
|
160 cutfunc) |
32997
b9e2269aeff8
dagop: unnest inner generator of revancestors()
Yuya Nishihara <yuya@tcha.org>
parents:
32904
diff
changeset
|
161 return generatorset(gen, iterasc=False) |
16409
2cbd7dd0cc1f
graphlog: fix --follow-first --rev combinations
Patrick Mezard <patrick@mezard.eu>
parents:
16402
diff
changeset
|
162 |
33073
b04cf7a6e0f3
dagop: unnest inner generator of revdescendants()
Yuya Nishihara <yuya@tcha.org>
parents:
33027
diff
changeset
|
163 def _genrevdescendants(repo, revs, followfirst): |
24306
6ddc86eedc3b
style: kill ersatz if-else ternary operators
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
24219
diff
changeset
|
164 if followfirst: |
6ddc86eedc3b
style: kill ersatz if-else ternary operators
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
24219
diff
changeset
|
165 cut = 1 |
6ddc86eedc3b
style: kill ersatz if-else ternary operators
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
24219
diff
changeset
|
166 else: |
6ddc86eedc3b
style: kill ersatz if-else ternary operators
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
24219
diff
changeset
|
167 cut = None |
16409
2cbd7dd0cc1f
graphlog: fix --follow-first --rev combinations
Patrick Mezard <patrick@mezard.eu>
parents:
16402
diff
changeset
|
168 |
33073
b04cf7a6e0f3
dagop: unnest inner generator of revdescendants()
Yuya Nishihara <yuya@tcha.org>
parents:
33027
diff
changeset
|
169 cl = repo.changelog |
33076
a76a64c78807
dagop: use smartset.min() in revdescendants() generator
Yuya Nishihara <yuya@tcha.org>
parents:
33075
diff
changeset
|
170 first = revs.min() |
33073
b04cf7a6e0f3
dagop: unnest inner generator of revdescendants()
Yuya Nishihara <yuya@tcha.org>
parents:
33027
diff
changeset
|
171 nullrev = node.nullrev |
b04cf7a6e0f3
dagop: unnest inner generator of revdescendants()
Yuya Nishihara <yuya@tcha.org>
parents:
33027
diff
changeset
|
172 if first == nullrev: |
b04cf7a6e0f3
dagop: unnest inner generator of revdescendants()
Yuya Nishihara <yuya@tcha.org>
parents:
33027
diff
changeset
|
173 # Are there nodes with a null first parent and a non-null |
b04cf7a6e0f3
dagop: unnest inner generator of revdescendants()
Yuya Nishihara <yuya@tcha.org>
parents:
33027
diff
changeset
|
174 # second one? Maybe. Do we care? Probably not. |
33075
d83b189aef83
dagop: change revdescendants() to include all root revisions
Yuya Nishihara <yuya@tcha.org>
parents:
33073
diff
changeset
|
175 yield first |
33073
b04cf7a6e0f3
dagop: unnest inner generator of revdescendants()
Yuya Nishihara <yuya@tcha.org>
parents:
33027
diff
changeset
|
176 for i in cl: |
b04cf7a6e0f3
dagop: unnest inner generator of revdescendants()
Yuya Nishihara <yuya@tcha.org>
parents:
33027
diff
changeset
|
177 yield i |
b04cf7a6e0f3
dagop: unnest inner generator of revdescendants()
Yuya Nishihara <yuya@tcha.org>
parents:
33027
diff
changeset
|
178 else: |
b04cf7a6e0f3
dagop: unnest inner generator of revdescendants()
Yuya Nishihara <yuya@tcha.org>
parents:
33027
diff
changeset
|
179 seen = set(revs) |
33075
d83b189aef83
dagop: change revdescendants() to include all root revisions
Yuya Nishihara <yuya@tcha.org>
parents:
33073
diff
changeset
|
180 for i in cl.revs(first): |
d83b189aef83
dagop: change revdescendants() to include all root revisions
Yuya Nishihara <yuya@tcha.org>
parents:
33073
diff
changeset
|
181 if i in seen: |
d83b189aef83
dagop: change revdescendants() to include all root revisions
Yuya Nishihara <yuya@tcha.org>
parents:
33073
diff
changeset
|
182 yield i |
d83b189aef83
dagop: change revdescendants() to include all root revisions
Yuya Nishihara <yuya@tcha.org>
parents:
33073
diff
changeset
|
183 continue |
33073
b04cf7a6e0f3
dagop: unnest inner generator of revdescendants()
Yuya Nishihara <yuya@tcha.org>
parents:
33027
diff
changeset
|
184 for x in cl.parentrevs(i)[:cut]: |
b04cf7a6e0f3
dagop: unnest inner generator of revdescendants()
Yuya Nishihara <yuya@tcha.org>
parents:
33027
diff
changeset
|
185 if x != nullrev and x in seen: |
b04cf7a6e0f3
dagop: unnest inner generator of revdescendants()
Yuya Nishihara <yuya@tcha.org>
parents:
33027
diff
changeset
|
186 seen.add(i) |
b04cf7a6e0f3
dagop: unnest inner generator of revdescendants()
Yuya Nishihara <yuya@tcha.org>
parents:
33027
diff
changeset
|
187 yield i |
b04cf7a6e0f3
dagop: unnest inner generator of revdescendants()
Yuya Nishihara <yuya@tcha.org>
parents:
33027
diff
changeset
|
188 break |
20692
7af341082b76
revset: changed descendants revset to use lazy generators
Lucas Moscovicz <lmoscovicz@fb.com>
parents:
20691
diff
changeset
|
189 |
33080
a53bfc2845f2
revset: add depth limit to descendants() (issue5374)
Yuya Nishihara <yuya@tcha.org>
parents:
33079
diff
changeset
|
190 def _builddescendantsmap(repo, startrev, followfirst): |
a53bfc2845f2
revset: add depth limit to descendants() (issue5374)
Yuya Nishihara <yuya@tcha.org>
parents:
33079
diff
changeset
|
191 """Build map of 'rev -> child revs', offset from startrev""" |
a53bfc2845f2
revset: add depth limit to descendants() (issue5374)
Yuya Nishihara <yuya@tcha.org>
parents:
33079
diff
changeset
|
192 cl = repo.changelog |
a53bfc2845f2
revset: add depth limit to descendants() (issue5374)
Yuya Nishihara <yuya@tcha.org>
parents:
33079
diff
changeset
|
193 nullrev = node.nullrev |
a53bfc2845f2
revset: add depth limit to descendants() (issue5374)
Yuya Nishihara <yuya@tcha.org>
parents:
33079
diff
changeset
|
194 descmap = [[] for _rev in xrange(startrev, len(cl))] |
a53bfc2845f2
revset: add depth limit to descendants() (issue5374)
Yuya Nishihara <yuya@tcha.org>
parents:
33079
diff
changeset
|
195 for currev in cl.revs(startrev + 1): |
a53bfc2845f2
revset: add depth limit to descendants() (issue5374)
Yuya Nishihara <yuya@tcha.org>
parents:
33079
diff
changeset
|
196 p1rev, p2rev = cl.parentrevs(currev) |
a53bfc2845f2
revset: add depth limit to descendants() (issue5374)
Yuya Nishihara <yuya@tcha.org>
parents:
33079
diff
changeset
|
197 if p1rev >= startrev: |
a53bfc2845f2
revset: add depth limit to descendants() (issue5374)
Yuya Nishihara <yuya@tcha.org>
parents:
33079
diff
changeset
|
198 descmap[p1rev - startrev].append(currev) |
a53bfc2845f2
revset: add depth limit to descendants() (issue5374)
Yuya Nishihara <yuya@tcha.org>
parents:
33079
diff
changeset
|
199 if not followfirst and p2rev != nullrev and p2rev >= startrev: |
a53bfc2845f2
revset: add depth limit to descendants() (issue5374)
Yuya Nishihara <yuya@tcha.org>
parents:
33079
diff
changeset
|
200 descmap[p2rev - startrev].append(currev) |
a53bfc2845f2
revset: add depth limit to descendants() (issue5374)
Yuya Nishihara <yuya@tcha.org>
parents:
33079
diff
changeset
|
201 return descmap |
a53bfc2845f2
revset: add depth limit to descendants() (issue5374)
Yuya Nishihara <yuya@tcha.org>
parents:
33079
diff
changeset
|
202 |
a53bfc2845f2
revset: add depth limit to descendants() (issue5374)
Yuya Nishihara <yuya@tcha.org>
parents:
33079
diff
changeset
|
203 def _genrevdescendantsofdepth(repo, revs, followfirst, startdepth, stopdepth): |
a53bfc2845f2
revset: add depth limit to descendants() (issue5374)
Yuya Nishihara <yuya@tcha.org>
parents:
33079
diff
changeset
|
204 startrev = revs.min() |
a53bfc2845f2
revset: add depth limit to descendants() (issue5374)
Yuya Nishihara <yuya@tcha.org>
parents:
33079
diff
changeset
|
205 descmap = _builddescendantsmap(repo, startrev, followfirst) |
a53bfc2845f2
revset: add depth limit to descendants() (issue5374)
Yuya Nishihara <yuya@tcha.org>
parents:
33079
diff
changeset
|
206 def pfunc(rev): |
a53bfc2845f2
revset: add depth limit to descendants() (issue5374)
Yuya Nishihara <yuya@tcha.org>
parents:
33079
diff
changeset
|
207 return descmap[rev - startrev] |
a53bfc2845f2
revset: add depth limit to descendants() (issue5374)
Yuya Nishihara <yuya@tcha.org>
parents:
33079
diff
changeset
|
208 return _walkrevtree(pfunc, revs, startdepth, stopdepth, reverse=False) |
a53bfc2845f2
revset: add depth limit to descendants() (issue5374)
Yuya Nishihara <yuya@tcha.org>
parents:
33079
diff
changeset
|
209 |
a53bfc2845f2
revset: add depth limit to descendants() (issue5374)
Yuya Nishihara <yuya@tcha.org>
parents:
33079
diff
changeset
|
210 def revdescendants(repo, revs, followfirst, startdepth=None, stopdepth=None): |
33075
d83b189aef83
dagop: change revdescendants() to include all root revisions
Yuya Nishihara <yuya@tcha.org>
parents:
33073
diff
changeset
|
211 """Like revlog.descendants() but supports additional options, includes |
33080
a53bfc2845f2
revset: add depth limit to descendants() (issue5374)
Yuya Nishihara <yuya@tcha.org>
parents:
33079
diff
changeset
|
212 the given revs themselves, and returns a smartset |
a53bfc2845f2
revset: add depth limit to descendants() (issue5374)
Yuya Nishihara <yuya@tcha.org>
parents:
33079
diff
changeset
|
213 |
a53bfc2845f2
revset: add depth limit to descendants() (issue5374)
Yuya Nishihara <yuya@tcha.org>
parents:
33079
diff
changeset
|
214 Scan ends at the stopdepth (exlusive) if specified. Revisions found |
a53bfc2845f2
revset: add depth limit to descendants() (issue5374)
Yuya Nishihara <yuya@tcha.org>
parents:
33079
diff
changeset
|
215 earlier than the startdepth are omitted. |
a53bfc2845f2
revset: add depth limit to descendants() (issue5374)
Yuya Nishihara <yuya@tcha.org>
parents:
33079
diff
changeset
|
216 """ |
a53bfc2845f2
revset: add depth limit to descendants() (issue5374)
Yuya Nishihara <yuya@tcha.org>
parents:
33079
diff
changeset
|
217 if startdepth is None and stopdepth is None: |
a53bfc2845f2
revset: add depth limit to descendants() (issue5374)
Yuya Nishihara <yuya@tcha.org>
parents:
33079
diff
changeset
|
218 gen = _genrevdescendants(repo, revs, followfirst) |
a53bfc2845f2
revset: add depth limit to descendants() (issue5374)
Yuya Nishihara <yuya@tcha.org>
parents:
33079
diff
changeset
|
219 else: |
a53bfc2845f2
revset: add depth limit to descendants() (issue5374)
Yuya Nishihara <yuya@tcha.org>
parents:
33079
diff
changeset
|
220 gen = _genrevdescendantsofdepth(repo, revs, followfirst, |
a53bfc2845f2
revset: add depth limit to descendants() (issue5374)
Yuya Nishihara <yuya@tcha.org>
parents:
33079
diff
changeset
|
221 startdepth, stopdepth) |
33073
b04cf7a6e0f3
dagop: unnest inner generator of revdescendants()
Yuya Nishihara <yuya@tcha.org>
parents:
33027
diff
changeset
|
222 return generatorset(gen, iterasc=True) |
16409
2cbd7dd0cc1f
graphlog: fix --follow-first --rev combinations
Patrick Mezard <patrick@mezard.eu>
parents:
16402
diff
changeset
|
223 |
26095
6eed95ca4c03
revset: mark reachablerootspure as private
Yuya Nishihara <yuya@tcha.org>
parents:
26094
diff
changeset
|
224 def _reachablerootspure(repo, minroot, roots, heads, includepath): |
26002
fd92bfbbe02d
revset: rename revsbetween to reachableroots and add an argument
Laurent Charignon <lcharignon@fb.com>
parents:
26001
diff
changeset
|
225 """return (heads(::<roots> and ::<heads>)) |
fd92bfbbe02d
revset: rename revsbetween to reachableroots and add an argument
Laurent Charignon <lcharignon@fb.com>
parents:
26001
diff
changeset
|
226 |
fd92bfbbe02d
revset: rename revsbetween to reachableroots and add an argument
Laurent Charignon <lcharignon@fb.com>
parents:
26001
diff
changeset
|
227 If includepath is True, return (<roots>::<heads>).""" |
16862
b6efeb27e733
revset: introduce and use _revsbetween
Bryan O'Sullivan <bryano@fb.com>
parents:
16861
diff
changeset
|
228 if not roots: |
26094
df41c7be16d6
reachableroots: construct and sort baseset in revset module
Yuya Nishihara <yuya@tcha.org>
parents:
26093
diff
changeset
|
229 return [] |
16862
b6efeb27e733
revset: introduce and use _revsbetween
Bryan O'Sullivan <bryano@fb.com>
parents:
16861
diff
changeset
|
230 parentrevs = repo.changelog.parentrevs |
26053
b68c9d232db6
reachableroots: use internal "revstates" array to test if rev is a root
Yuya Nishihara <yuya@tcha.org>
parents:
26006
diff
changeset
|
231 roots = set(roots) |
22487
e40bb83d0989
revset: stop using a baseset instead of a plain list in _revsbetween
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22483
diff
changeset
|
232 visit = list(heads) |
16862
b6efeb27e733
revset: introduce and use _revsbetween
Bryan O'Sullivan <bryano@fb.com>
parents:
16861
diff
changeset
|
233 reachable = set() |
b6efeb27e733
revset: introduce and use _revsbetween
Bryan O'Sullivan <bryano@fb.com>
parents:
16861
diff
changeset
|
234 seen = {} |
25566
15412bba5a68
revset: prefetch all attributes before loop in _revsbetween
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25554
diff
changeset
|
235 # prefetch all the things! (because python is slow) |
15412bba5a68
revset: prefetch all attributes before loop in _revsbetween
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25554
diff
changeset
|
236 reached = reachable.add |
15412bba5a68
revset: prefetch all attributes before loop in _revsbetween
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25554
diff
changeset
|
237 dovisit = visit.append |
15412bba5a68
revset: prefetch all attributes before loop in _revsbetween
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25554
diff
changeset
|
238 nextvisit = visit.pop |
16862
b6efeb27e733
revset: introduce and use _revsbetween
Bryan O'Sullivan <bryano@fb.com>
parents:
16861
diff
changeset
|
239 # open-code the post-order traversal due to the tiny size of |
b6efeb27e733
revset: introduce and use _revsbetween
Bryan O'Sullivan <bryano@fb.com>
parents:
16861
diff
changeset
|
240 # sys.getrecursionlimit() |
b6efeb27e733
revset: introduce and use _revsbetween
Bryan O'Sullivan <bryano@fb.com>
parents:
16861
diff
changeset
|
241 while visit: |
25566
15412bba5a68
revset: prefetch all attributes before loop in _revsbetween
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25554
diff
changeset
|
242 rev = nextvisit() |
16862
b6efeb27e733
revset: introduce and use _revsbetween
Bryan O'Sullivan <bryano@fb.com>
parents:
16861
diff
changeset
|
243 if rev in roots: |
25566
15412bba5a68
revset: prefetch all attributes before loop in _revsbetween
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25554
diff
changeset
|
244 reached(rev) |
26002
fd92bfbbe02d
revset: rename revsbetween to reachableroots and add an argument
Laurent Charignon <lcharignon@fb.com>
parents:
26001
diff
changeset
|
245 if not includepath: |
fd92bfbbe02d
revset: rename revsbetween to reachableroots and add an argument
Laurent Charignon <lcharignon@fb.com>
parents:
26001
diff
changeset
|
246 continue |
16862
b6efeb27e733
revset: introduce and use _revsbetween
Bryan O'Sullivan <bryano@fb.com>
parents:
16861
diff
changeset
|
247 parents = parentrevs(rev) |
b6efeb27e733
revset: introduce and use _revsbetween
Bryan O'Sullivan <bryano@fb.com>
parents:
16861
diff
changeset
|
248 seen[rev] = parents |
b6efeb27e733
revset: introduce and use _revsbetween
Bryan O'Sullivan <bryano@fb.com>
parents:
16861
diff
changeset
|
249 for parent in parents: |
b6efeb27e733
revset: introduce and use _revsbetween
Bryan O'Sullivan <bryano@fb.com>
parents:
16861
diff
changeset
|
250 if parent >= minroot and parent not in seen: |
25566
15412bba5a68
revset: prefetch all attributes before loop in _revsbetween
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25554
diff
changeset
|
251 dovisit(parent) |
16862
b6efeb27e733
revset: introduce and use _revsbetween
Bryan O'Sullivan <bryano@fb.com>
parents:
16861
diff
changeset
|
252 if not reachable: |
22802
1fcd361efaf4
baseset: use default value instead of [] when possible
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22801
diff
changeset
|
253 return baseset() |
26002
fd92bfbbe02d
revset: rename revsbetween to reachableroots and add an argument
Laurent Charignon <lcharignon@fb.com>
parents:
26001
diff
changeset
|
254 if not includepath: |
fd92bfbbe02d
revset: rename revsbetween to reachableroots and add an argument
Laurent Charignon <lcharignon@fb.com>
parents:
26001
diff
changeset
|
255 return reachable |
16862
b6efeb27e733
revset: introduce and use _revsbetween
Bryan O'Sullivan <bryano@fb.com>
parents:
16861
diff
changeset
|
256 for rev in sorted(seen): |
b6efeb27e733
revset: introduce and use _revsbetween
Bryan O'Sullivan <bryano@fb.com>
parents:
16861
diff
changeset
|
257 for parent in seen[rev]: |
b6efeb27e733
revset: introduce and use _revsbetween
Bryan O'Sullivan <bryano@fb.com>
parents:
16861
diff
changeset
|
258 if parent in reachable: |
25566
15412bba5a68
revset: prefetch all attributes before loop in _revsbetween
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25554
diff
changeset
|
259 reached(rev) |
26091
60bbd4f9abd1
reachableroots: sort the smartset in the pure version too
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26060
diff
changeset
|
260 return reachable |
16862
b6efeb27e733
revset: introduce and use _revsbetween
Bryan O'Sullivan <bryano@fb.com>
parents:
16861
diff
changeset
|
261 |
26006
1ffd97cbf9a2
reachableroots: default to the C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
26002
diff
changeset
|
262 def reachableroots(repo, roots, heads, includepath=False): |
1ffd97cbf9a2
reachableroots: default to the C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
26002
diff
changeset
|
263 """return (heads(::<roots> and ::<heads>)) |
1ffd97cbf9a2
reachableroots: default to the C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
26002
diff
changeset
|
264 |
1ffd97cbf9a2
reachableroots: default to the C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
26002
diff
changeset
|
265 If includepath is True, return (<roots>::<heads>).""" |
1ffd97cbf9a2
reachableroots: default to the C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
26002
diff
changeset
|
266 if not roots: |
1ffd97cbf9a2
reachableroots: default to the C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
26002
diff
changeset
|
267 return baseset() |
26093
204131131766
reachableroots: use smartset min
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26091
diff
changeset
|
268 minroot = roots.min() |
26053
b68c9d232db6
reachableroots: use internal "revstates" array to test if rev is a root
Yuya Nishihara <yuya@tcha.org>
parents:
26006
diff
changeset
|
269 roots = list(roots) |
26006
1ffd97cbf9a2
reachableroots: default to the C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
26002
diff
changeset
|
270 heads = list(heads) |
1ffd97cbf9a2
reachableroots: default to the C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
26002
diff
changeset
|
271 try: |
26094
df41c7be16d6
reachableroots: construct and sort baseset in revset module
Yuya Nishihara <yuya@tcha.org>
parents:
26093
diff
changeset
|
272 revs = repo.changelog.reachableroots(minroot, heads, roots, includepath) |
26006
1ffd97cbf9a2
reachableroots: default to the C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
26002
diff
changeset
|
273 except AttributeError: |
26095
6eed95ca4c03
revset: mark reachablerootspure as private
Yuya Nishihara <yuya@tcha.org>
parents:
26094
diff
changeset
|
274 revs = _reachablerootspure(repo, minroot, roots, heads, includepath) |
26094
df41c7be16d6
reachableroots: construct and sort baseset in revset module
Yuya Nishihara <yuya@tcha.org>
parents:
26093
diff
changeset
|
275 revs = baseset(revs) |
df41c7be16d6
reachableroots: construct and sort baseset in revset module
Yuya Nishihara <yuya@tcha.org>
parents:
26093
diff
changeset
|
276 revs.sort() |
df41c7be16d6
reachableroots: construct and sort baseset in revset module
Yuya Nishihara <yuya@tcha.org>
parents:
26093
diff
changeset
|
277 return revs |
26006
1ffd97cbf9a2
reachableroots: default to the C implementation
Laurent Charignon <lcharignon@fb.com>
parents:
26002
diff
changeset
|
278 |
32904
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
279 def _changesrange(fctx1, fctx2, linerange2, diffopts): |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
280 """Return `(diffinrange, linerange1)` where `diffinrange` is True |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
281 if diff from fctx2 to fctx1 has changes in linerange2 and |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
282 `linerange1` is the new line range for fctx1. |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
283 """ |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
284 blocks = mdiff.allblocks(fctx1.data(), fctx2.data(), diffopts) |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
285 filteredblocks, linerange1 = mdiff.blocksinrange(blocks, linerange2) |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
286 diffinrange = any(stype == '!' for _, stype in filteredblocks) |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
287 return diffinrange, linerange1 |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
288 |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
289 def blockancestors(fctx, fromline, toline, followfirst=False): |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
290 """Yield ancestors of `fctx` with respect to the block of lines within |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
291 `fromline`-`toline` range. |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
292 """ |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
293 diffopts = patch.diffopts(fctx._repo.ui) |
35271
d90c534099b1
filectx: extract helper method to obtain filectx pointing to its introrev
Yuya Nishihara <yuya@tcha.org>
parents:
35270
diff
changeset
|
294 fctx = fctx.introfilectx() |
32904
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
295 visit = {(fctx.linkrev(), fctx.filenode()): (fctx, (fromline, toline))} |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
296 while visit: |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
297 c, linerange2 = visit.pop(max(visit)) |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
298 pl = c.parents() |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
299 if followfirst: |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
300 pl = pl[:1] |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
301 if not pl: |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
302 # The block originates from the initial revision. |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
303 yield c, linerange2 |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
304 continue |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
305 inrange = False |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
306 for p in pl: |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
307 inrangep, linerange1 = _changesrange(p, c, linerange2, diffopts) |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
308 inrange = inrange or inrangep |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
309 if linerange1[0] == linerange1[1]: |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
310 # Parent's linerange is empty, meaning that the block got |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
311 # introduced in this revision; no need to go futher in this |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
312 # branch. |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
313 continue |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
314 # Set _descendantrev with 'c' (a known descendant) so that, when |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
315 # _adjustlinkrev is called for 'p', it receives this descendant |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
316 # (as srcrev) instead possibly topmost introrev. |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
317 p._descendantrev = c.rev() |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
318 visit[p.linkrev(), p.filenode()] = p, linerange1 |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
319 if inrange: |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
320 yield c, linerange2 |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
321 |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
322 def blockdescendants(fctx, fromline, toline): |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
323 """Yield descendants of `fctx` with respect to the block of lines within |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
324 `fromline`-`toline` range. |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
325 """ |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
326 # First possibly yield 'fctx' if it has changes in range with respect to |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
327 # its parents. |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
328 try: |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
329 c, linerange1 = next(blockancestors(fctx, fromline, toline)) |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
330 except StopIteration: |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
331 pass |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
332 else: |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
333 if c == fctx: |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
334 yield c, linerange1 |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
335 |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
336 diffopts = patch.diffopts(fctx._repo.ui) |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
337 fl = fctx.filelog() |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
338 seen = {fctx.filerev(): (fctx, (fromline, toline))} |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
339 for i in fl.descendants([fctx.filerev()]): |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
340 c = fctx.filectx(i) |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
341 inrange = False |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
342 for x in fl.parentrevs(i): |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
343 try: |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
344 p, linerange2 = seen[x] |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
345 except KeyError: |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
346 # nullrev or other branch |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
347 continue |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
348 inrangep, linerange1 = _changesrange(c, p, linerange2, diffopts) |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
349 inrange = inrange or inrangep |
33284
b2670290eab4
followlines: join merge parents line ranges in blockdescendants() (issue5595)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
33080
diff
changeset
|
350 # If revision 'i' has been seen (it's a merge) and the line range |
b2670290eab4
followlines: join merge parents line ranges in blockdescendants() (issue5595)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
33080
diff
changeset
|
351 # previously computed differs from the one we just got, we take the |
b2670290eab4
followlines: join merge parents line ranges in blockdescendants() (issue5595)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
33080
diff
changeset
|
352 # surrounding interval. This is conservative but avoids loosing |
b2670290eab4
followlines: join merge parents line ranges in blockdescendants() (issue5595)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
33080
diff
changeset
|
353 # information. |
b2670290eab4
followlines: join merge parents line ranges in blockdescendants() (issue5595)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
33080
diff
changeset
|
354 if i in seen and seen[i][1] != linerange1: |
b2670290eab4
followlines: join merge parents line ranges in blockdescendants() (issue5595)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
33080
diff
changeset
|
355 lbs, ubs = zip(linerange1, seen[i][1]) |
b2670290eab4
followlines: join merge parents line ranges in blockdescendants() (issue5595)
Denis Laxalde <denis.laxalde@logilab.fr>
parents:
33080
diff
changeset
|
356 linerange1 = min(lbs), max(ubs) |
32904
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
357 seen[i] = c, linerange1 |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
358 if inrange: |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
359 yield c, linerange1 |
582080a4a812
dagop: move blockancestors() and blockdescendants() from context
Yuya Nishihara <yuya@tcha.org>
parents:
32903
diff
changeset
|
360 |
32903
27932a76a88d
dagop: split module hosting DAG-related algorithms from revset
Yuya Nishihara <yuya@tcha.org>
parents:
32885
diff
changeset
|
361 def toposort(revs, parentsfunc, firstbranch=()): |
29347
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
362 """Yield revisions from heads to roots one (topo) branch at a time. |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
363 |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
364 This function aims to be used by a graph generator that wishes to minimize |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
365 the number of parallel branches and their interleaving. |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
366 |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
367 Example iteration order (numbers show the "true" order in a changelog): |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
368 |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
369 o 4 |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
370 | |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
371 o 1 |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
372 | |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
373 | o 3 |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
374 | | |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
375 | o 2 |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
376 |/ |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
377 o 0 |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
378 |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
379 Note that the ancestors of merges are understood by the current |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
380 algorithm to be on the same branch. This means no reordering will |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
381 occur behind a merge. |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
382 """ |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
383 |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
384 ### Quick summary of the algorithm |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
385 # |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
386 # This function is based around a "retention" principle. We keep revisions |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
387 # in memory until we are ready to emit a whole branch that immediately |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
388 # "merges" into an existing one. This reduces the number of parallel |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
389 # branches with interleaved revisions. |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
390 # |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
391 # During iteration revs are split into two groups: |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
392 # A) revision already emitted |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
393 # B) revision in "retention". They are stored as different subgroups. |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
394 # |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
395 # for each REV, we do the following logic: |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
396 # |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
397 # 1) if REV is a parent of (A), we will emit it. If there is a |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
398 # retention group ((B) above) that is blocked on REV being |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
399 # available, we emit all the revisions out of that retention |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
400 # group first. |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
401 # |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
402 # 2) else, we'll search for a subgroup in (B) awaiting for REV to be |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
403 # available, if such subgroup exist, we add REV to it and the subgroup is |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
404 # now awaiting for REV.parents() to be available. |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
405 # |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
406 # 3) finally if no such group existed in (B), we create a new subgroup. |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
407 # |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
408 # |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
409 # To bootstrap the algorithm, we emit the tipmost revision (which |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
410 # puts it in group (A) from above). |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
411 |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
412 revs.sort(reverse=True) |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
413 |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
414 # Set of parents of revision that have been emitted. They can be considered |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
415 # unblocked as the graph generator is already aware of them so there is no |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
416 # need to delay the revisions that reference them. |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
417 # |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
418 # If someone wants to prioritize a branch over the others, pre-filling this |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
419 # set will force all other branches to wait until this branch is ready to be |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
420 # emitted. |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
421 unblocked = set(firstbranch) |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
422 |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
423 # list of groups waiting to be displayed, each group is defined by: |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
424 # |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
425 # (revs: lists of revs waiting to be displayed, |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
426 # blocked: set of that cannot be displayed before those in 'revs') |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
427 # |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
428 # The second value ('blocked') correspond to parents of any revision in the |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
429 # group ('revs') that is not itself contained in the group. The main idea |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
430 # of this algorithm is to delay as much as possible the emission of any |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
431 # revision. This means waiting for the moment we are about to display |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
432 # these parents to display the revs in a group. |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
433 # |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
434 # This first implementation is smart until it encounters a merge: it will |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
435 # emit revs as soon as any parent is about to be emitted and can grow an |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
436 # arbitrary number of revs in 'blocked'. In practice this mean we properly |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
437 # retains new branches but gives up on any special ordering for ancestors |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
438 # of merges. The implementation can be improved to handle this better. |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
439 # |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
440 # The first subgroup is special. It corresponds to all the revision that |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
441 # were already emitted. The 'revs' lists is expected to be empty and the |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
442 # 'blocked' set contains the parents revisions of already emitted revision. |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
443 # |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
444 # You could pre-seed the <parents> set of groups[0] to a specific |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
445 # changesets to select what the first emitted branch should be. |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
446 groups = [([], unblocked)] |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
447 pendingheap = [] |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
448 pendingset = set() |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
449 |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
450 heapq.heapify(pendingheap) |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
451 heappop = heapq.heappop |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
452 heappush = heapq.heappush |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
453 for currentrev in revs: |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
454 # Heap works with smallest element, we want highest so we invert |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
455 if currentrev not in pendingset: |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
456 heappush(pendingheap, -currentrev) |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
457 pendingset.add(currentrev) |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
458 # iterates on pending rev until after the current rev have been |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
459 # processed. |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
460 rev = None |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
461 while rev != currentrev: |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
462 rev = -heappop(pendingheap) |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
463 pendingset.remove(rev) |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
464 |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
465 # Seek for a subgroup blocked, waiting for the current revision. |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
466 matching = [i for i, g in enumerate(groups) if rev in g[1]] |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
467 |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
468 if matching: |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
469 # The main idea is to gather together all sets that are blocked |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
470 # on the same revision. |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
471 # |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
472 # Groups are merged when a common blocking ancestor is |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
473 # observed. For example, given two groups: |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
474 # |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
475 # revs [5, 4] waiting for 1 |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
476 # revs [3, 2] waiting for 1 |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
477 # |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
478 # These two groups will be merged when we process |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
479 # 1. In theory, we could have merged the groups when |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
480 # we added 2 to the group it is now in (we could have |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
481 # noticed the groups were both blocked on 1 then), but |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
482 # the way it works now makes the algorithm simpler. |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
483 # |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
484 # We also always keep the oldest subgroup first. We can |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
485 # probably improve the behavior by having the longest set |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
486 # first. That way, graph algorithms could minimise the length |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
487 # of parallel lines their drawing. This is currently not done. |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
488 targetidx = matching.pop(0) |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
489 trevs, tparents = groups[targetidx] |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
490 for i in matching: |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
491 gr = groups[i] |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
492 trevs.extend(gr[0]) |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
493 tparents |= gr[1] |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
494 # delete all merged subgroups (except the one we kept) |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
495 # (starting from the last subgroup for performance and |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
496 # sanity reasons) |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
497 for i in reversed(matching): |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
498 del groups[i] |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
499 else: |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
500 # This is a new head. We create a new subgroup for it. |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
501 targetidx = len(groups) |
32291
bd872f64a8ba
cleanup: use set literals
Martin von Zweigbergk <martinvonz@google.com>
parents:
32085
diff
changeset
|
502 groups.append(([], {rev})) |
29347
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
503 |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
504 gr = groups[targetidx] |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
505 |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
506 # We now add the current nodes to this subgroups. This is done |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
507 # after the subgroup merging because all elements from a subgroup |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
508 # that relied on this rev must precede it. |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
509 # |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
510 # we also update the <parents> set to include the parents of the |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
511 # new nodes. |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
512 if rev == currentrev: # only display stuff in rev |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
513 gr[0].append(rev) |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
514 gr[1].remove(rev) |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
515 parents = [p for p in parentsfunc(rev) if p > node.nullrev] |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
516 gr[1].update(parents) |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
517 for p in parents: |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
518 if p not in pendingset: |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
519 pendingset.add(p) |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
520 heappush(pendingheap, -p) |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
521 |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
522 # Look for a subgroup to display |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
523 # |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
524 # When unblocked is empty (if clause), we were not waiting for any |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
525 # revisions during the first iteration (if no priority was given) or |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
526 # if we emitted a whole disconnected set of the graph (reached a |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
527 # root). In that case we arbitrarily take the oldest known |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
528 # subgroup. The heuristic could probably be better. |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
529 # |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
530 # Otherwise (elif clause) if the subgroup is blocked on |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
531 # a revision we just emitted, we can safely emit it as |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
532 # well. |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
533 if not unblocked: |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
534 if len(groups) > 1: # display other subset |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
535 targetidx = 1 |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
536 gr = groups[1] |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
537 elif not gr[1] & unblocked: |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
538 gr = None |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
539 |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
540 if gr is not None: |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
541 # update the set of awaited revisions with the one from the |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
542 # subgroup |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
543 unblocked |= gr[1] |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
544 # output all revisions in the subgroup |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
545 for r in gr[0]: |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
546 yield r |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
547 # delete the subgroup that you just output |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
548 # unless it is groups[0] in which case you just empty it. |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
549 if targetidx: |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
550 del groups[targetidx] |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
551 else: |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
552 gr[0][:] = [] |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
553 # Check if we have some subgroup waiting for revisions we are not going to |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
554 # iterate over |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
555 for g in groups: |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
556 for r in g[0]: |
98535ad46fc0
revset: move groupbranchiter over from graphmod
Martijn Pieters <mjpieters@fb.com>
parents:
29346
diff
changeset
|
557 yield r |