author | Vadim Gelfer <vadim.gelfer@gmail.com> |
Tue, 02 May 2006 21:44:24 -0700 | |
changeset 2179 | 520dd3d28e9b |
parent 1862 | b41d71961aed |
child 2305 | e7de4dd43472 |
permissions | -rw-r--r-- |
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# bisect extension for mercurial |
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# |
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# Copyright 2005, 2006 Benoit Boissinot <benoit.boissinot@ens-lyon.org> |
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# Inspired by git bisect, extension skeleton taken from mq.py. |
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# |
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# This software may be used and distributed according to the terms |
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# of the GNU General Public License, incorporated herein by reference. |
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|
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from mercurial.demandload import demandload |
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demandload(globals(), "os sys sets mercurial:hg,util") |
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|
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versionstr = "0.0.3" |
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|
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def lookup_rev(ui, repo, rev=None): |
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"""returns rev or the checked-out revision if rev is None""" |
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if not rev is None: |
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return repo.lookup(rev) |
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parents = [p for p in repo.dirstate.parents() if p != hg.nullid] |
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if len(parents) != 1: |
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ui.warn("unexpected number of parents\n") |
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ui.warn("please commit or revert\n") |
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sys.exit(1) |
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return parents.pop() |
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|
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def check_clean(ui, repo): |
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modified, added, removed, deleted, unknown = repo.changes() |
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if modified or added or removed: |
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ui.warn("Repository is not clean, please commit or revert\n") |
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sys.exit(1) |
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|
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class bisect(object): |
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"""dichotomic search in the DAG of changesets""" |
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def __init__(self, ui, repo): |
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self.repo = repo |
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self.path = repo.join("bisect") |
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self.opener = util.opener(self.path) |
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self.ui = ui |
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self.goodrevs = [] |
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self.badrev = None |
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self.good_dirty = 0 |
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self.bad_dirty = 0 |
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self.good_path = "good" |
638b1bc6c6c9
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self.bad_path = "bad" |
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|
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parents:
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if os.path.exists(os.path.join(self.path, self.good_path)): |
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self.goodrevs = self.opener(self.good_path).read().splitlines() |
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self.goodrevs = [hg.bin(x) for x in self.goodrevs] |
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if os.path.exists(os.path.join(self.path, self.bad_path)): |
638b1bc6c6c9
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r = self.opener(self.bad_path).read().splitlines() |
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if r: |
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self.badrev = hg.bin(r.pop(0)) |
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|
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def __del__(self): |
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if not os.path.isdir(self.path): |
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return |
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f = self.opener(self.good_path, "w") |
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f.write("\n".join([hg.hex(r) for r in self.goodrevs])) |
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if len(self.goodrevs) > 0: |
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f.write("\n") |
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f = self.opener(self.bad_path, "w") |
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if self.badrev: |
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f.write(hg.hex(self.badrev) + "\n") |
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|
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def init(self): |
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"""start a new bisection""" |
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if os.path.isdir(self.path): |
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self.ui.warn("bisect directory already exists\n") |
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return 1 |
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os.mkdir(self.path) |
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check_clean(self.ui, self.repo) |
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return 0 |
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|
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def reset(self): |
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"""finish a bisection""" |
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if os.path.isdir(self.path): |
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sl = [os.path.join(self.path, p) |
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for p in [self.bad_path, self.good_path]] |
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for s in sl: |
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if os.path.exists(s): |
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os.unlink(s) |
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os.rmdir(self.path) |
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# Not sure about this |
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#self.ui.write("Going back to tip\n") |
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#self.repo.update(self.repo.changelog.tip()) |
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return 1 |
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|
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def num_ancestors(self, head=None, stop=None): |
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""" |
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returns a dict with the mapping: |
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node -> number of ancestors (self included) |
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for all nodes who are ancestor of head and |
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not in stop. |
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""" |
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if head is None: |
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head = self.badrev |
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return self.__ancestors_and_nb_ancestors(head, stop)[1] |
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|
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def ancestors(self, head=None, stop=None): |
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""" |
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returns the set of the ancestors of head (self included) |
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who are not in stop. |
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""" |
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if head is None: |
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head = self.badrev |
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return self.__ancestors_and_nb_ancestors(head, stop)[0] |
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|
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|
107 |
def __ancestors_and_nb_ancestors(self, head, stop=None): |
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108 |
""" |
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|
109 |
if stop is None then ancestors of goodrevs are used as |
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|
110 |
lower limit. |
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|
111 |
|
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|
112 |
returns (anc, n_child) where anc is the set of the ancestors of head |
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|
113 |
and n_child is a dictionary with the following mapping: |
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|
114 |
node -> number of ancestors (self included) |
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|
115 |
""" |
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|
116 |
cl = self.repo.changelog |
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|
117 |
if not stop: |
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|
118 |
stop = sets.Set([]) |
1856
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Make bisect extension work with python2.3
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diff
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|
119 |
for i in xrange(len(self.goodrevs)-1, -1, -1): |
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|
120 |
g = self.goodrevs[i] |
1367
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|
121 |
if g in stop: |
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|
122 |
continue |
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|
123 |
stop.update(cl.reachable(g)) |
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|
124 |
def num_children(a): |
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|
125 |
""" |
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|
126 |
returns a dictionnary with the following mapping |
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|
127 |
node -> [number of children, empty set] |
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|
128 |
""" |
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|
129 |
d = {a: [0, sets.Set([])]} |
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|
130 |
for i in xrange(cl.rev(a)+1): |
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|
131 |
n = cl.node(i) |
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|
132 |
if not d.has_key(n): |
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|
133 |
d[n] = [0, sets.Set([])] |
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|
134 |
parents = [p for p in cl.parents(n) if p != hg.nullid] |
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|
135 |
for p in parents: |
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parents:
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|
136 |
d[p][0] += 1 |
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|
137 |
return d |
1855
0ba9dee8cfbd
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diff
changeset
|
138 |
|
1367
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|
139 |
if head in stop: |
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parents:
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|
140 |
self.ui.warn("Unconsistent state, %s is good and bad\n" |
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff
changeset
|
141 |
% hg.hex(head)) |
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parents:
diff
changeset
|
142 |
sys.exit(1) |
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parents:
diff
changeset
|
143 |
n_child = num_children(head) |
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff
changeset
|
144 |
for i in xrange(cl.rev(head)+1): |
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff
changeset
|
145 |
n = cl.node(i) |
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
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changeset
|
146 |
parents = [p for p in cl.parents(n) if p != hg.nullid] |
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parents:
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changeset
|
147 |
for p in parents: |
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parents:
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changeset
|
148 |
n_child[p][0] -= 1 |
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parents:
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changeset
|
149 |
if not n in stop: |
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parents:
diff
changeset
|
150 |
n_child[n][1].union_update(n_child[p][1]) |
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parents:
diff
changeset
|
151 |
if n_child[p][0] == 0: |
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff
changeset
|
152 |
n_child[p] = len(n_child[p][1]) |
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parents:
diff
changeset
|
153 |
if not n in stop: |
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parents:
diff
changeset
|
154 |
n_child[n][1].add(n) |
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff
changeset
|
155 |
if n_child[n][0] == 0: |
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff
changeset
|
156 |
if n == head: |
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parents:
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changeset
|
157 |
anc = n_child[n][1] |
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parents:
diff
changeset
|
158 |
n_child[n] = len(n_child[n][1]) |
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parents:
diff
changeset
|
159 |
return anc, n_child |
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parents:
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changeset
|
160 |
|
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parents:
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changeset
|
161 |
def next(self): |
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parents:
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changeset
|
162 |
if not self.badrev: |
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff
changeset
|
163 |
self.ui.warn("You should give at least one bad\n") |
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff
changeset
|
164 |
sys.exit(1) |
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff
changeset
|
165 |
if not self.goodrevs: |
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff
changeset
|
166 |
self.ui.warn("No good revision given\n") |
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff
changeset
|
167 |
self.ui.warn("Assuming the first revision is good\n") |
1855
0ba9dee8cfbd
Fixed spacing/indentation, removed #! script header, added short description.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
1854
diff
changeset
|
168 |
ancestors, num_ancestors = self.__ancestors_and_nb_ancestors( |
0ba9dee8cfbd
Fixed spacing/indentation, removed #! script header, added short description.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
1854
diff
changeset
|
169 |
self.badrev) |
1367
a7678cbd7c28
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parents:
diff
changeset
|
170 |
tot = len(ancestors) |
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parents:
diff
changeset
|
171 |
if tot == 1: |
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff
changeset
|
172 |
if ancestors.pop() != self.badrev: |
a7678cbd7c28
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff
changeset
|
173 |
self.ui.warn("Could not find the first bad revision\n") |
a7678cbd7c28
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff
changeset
|
174 |
sys.exit(1) |
a7678cbd7c28
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff
changeset
|
175 |
self.ui.write( |
a7678cbd7c28
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff
changeset
|
176 |
"The first bad revision is : %s\n" % hg.hex(self.badrev)) |
a7678cbd7c28
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff
changeset
|
177 |
sys.exit(0) |
a7678cbd7c28
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff
changeset
|
178 |
self.ui.write("%d revisions left\n" % tot) |
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff
changeset
|
179 |
best_rev = None |
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parents:
diff
changeset
|
180 |
best_len = -1 |
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff
changeset
|
181 |
for n in ancestors: |
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff
changeset
|
182 |
l = num_ancestors[n] |
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff
changeset
|
183 |
l = min(l, tot - l) |
a7678cbd7c28
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff
changeset
|
184 |
if l > best_len: |
a7678cbd7c28
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff
changeset
|
185 |
best_len = l |
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff
changeset
|
186 |
best_rev = n |
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parents:
diff
changeset
|
187 |
return best_rev |
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parents:
diff
changeset
|
188 |
|
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parents:
diff
changeset
|
189 |
def autonext(self): |
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parents:
diff
changeset
|
190 |
"""find and update to the next revision to test""" |
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff
changeset
|
191 |
check_clean(self.ui, self.repo) |
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff
changeset
|
192 |
rev = self.next() |
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff
changeset
|
193 |
self.ui.write("Now testing %s\n" % hg.hex(rev)) |
1748
2428e6d66f06
bisect: fix for recent changes disallowing "false" merges
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
1619
diff
changeset
|
194 |
return self.repo.update(rev, force=True) |
1367
a7678cbd7c28
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parents:
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changeset
|
195 |
|
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parents:
diff
changeset
|
196 |
def good(self, rev): |
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff
changeset
|
197 |
self.goodrevs.append(rev) |
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parents:
diff
changeset
|
198 |
|
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff
changeset
|
199 |
def autogood(self, rev=None): |
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parents:
diff
changeset
|
200 |
"""mark revision as good and update to the next revision to test""" |
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff
changeset
|
201 |
check_clean(self.ui, self.repo) |
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff
changeset
|
202 |
rev = lookup_rev(self.ui, self.repo, rev) |
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff
changeset
|
203 |
self.good(rev) |
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff
changeset
|
204 |
if self.badrev: |
a7678cbd7c28
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff
changeset
|
205 |
self.autonext() |
a7678cbd7c28
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff
changeset
|
206 |
|
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff
changeset
|
207 |
def bad(self, rev): |
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parents:
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changeset
|
208 |
self.badrev = rev |
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changeset
|
209 |
|
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff
changeset
|
210 |
def autobad(self, rev=None): |
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff
changeset
|
211 |
"""mark revision as bad and update to the next revision to test""" |
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff
changeset
|
212 |
check_clean(self.ui, self.repo) |
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff
changeset
|
213 |
rev = lookup_rev(self.ui, self.repo, rev) |
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff
changeset
|
214 |
self.bad(rev) |
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff
changeset
|
215 |
if self.goodrevs: |
a7678cbd7c28
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
diff
changeset
|
216 |
self.autonext() |
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|
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# should we put it in the class ? |
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def test(ui, repo, rev): |
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"""test the bisection code""" |
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b = bisect(ui, repo) |
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rev = repo.lookup(rev) |
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ui.write("testing with rev %s\n" % hg.hex(rev)) |
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anc = b.ancestors() |
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while len(anc) > 1: |
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if not rev in anc: |
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ui.warn("failure while bisecting\n") |
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sys.exit(1) |
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ui.write("it worked :)\n") |
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new_rev = b.next() |
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ui.write("choosing if good or bad\n") |
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if rev in b.ancestors(head=new_rev): |
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b.bad(new_rev) |
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ui.write("it is bad\n") |
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else: |
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b.good(new_rev) |
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ui.write("it is good\n") |
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anc = b.ancestors() |
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repo.update(new_rev, force=True) |
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for v in anc: |
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if v != rev: |
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ui.warn("fail to found cset! :(\n") |
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return 1 |
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ui.write("Found bad cset: %s\n" % hg.hex(b.badrev)) |
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ui.write("Everything is ok :)\n") |
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return 0 |
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|
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def bisect_run(ui, repo, cmd=None, *args): |
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"""bisect extension: dichotomic search in the DAG of changesets |
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for subcommands see "hg bisect help\" |
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""" |
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def help_(cmd=None, *args): |
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"""show help for a given bisect subcommand or all subcommands""" |
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cmdtable = bisectcmdtable |
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if cmd: |
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doc = cmdtable[cmd][0].__doc__ |
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synopsis = cmdtable[cmd][2] |
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ui.write(synopsis + "\n") |
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ui.write("\n" + doc + "\n") |
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return |
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ui.write("list of subcommands for the bisect extension\n\n") |
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cmds = cmdtable.keys() |
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cmds.sort() |
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m = max([len(c) for c in cmds]) |
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for cmd in cmds: |
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doc = cmdtable[cmd][0].__doc__.splitlines(0)[0].rstrip() |
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ui.write(" %-*s %s\n" % (m, cmd, doc)) |
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268 |
|
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b = bisect(ui, repo) |
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bisectcmdtable = { |
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"init": (b.init, 0, "hg bisect init"), |
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"bad": (b.autobad, 1, "hg bisect bad [<rev>]"), |
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"good": (b.autogood, 1, "hg bisect good [<rev>]"), |
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"next": (b.autonext, 0, "hg bisect next"), |
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"reset": (b.reset, 0, "hg bisect reset"), |
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"help": (help_, 1, "hg bisect help [<subcommand>]"), |
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} |
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|
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if not bisectcmdtable.has_key(cmd): |
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ui.warn("bisect: Unknown sub-command\n") |
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return help_() |
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if len(args) > bisectcmdtable[cmd][1]: |
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ui.warn("bisect: Too many arguments\n") |
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return help_() |
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return bisectcmdtable[cmd][0](*args) |
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286 |
|
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cmdtable = { |
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"bisect": (bisect_run, [], "hg bisect [help|init|reset|next|good|bad]"), |
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#"bisect-test": (test, [], "hg bisect-test rev"), |
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290 |
} |