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rebase: turn rebase revs into set before filtering obsolete...
rebase: turn rebase revs into set before filtering obsolete When the inhibit extension from mutable-history is enabled, it attempts to iterate over the rebaseset to prevent the nodes being rebased from being marked obsolete. This happens at the same time as rebase's _filterobsoleterevs function trying to iterate over the rebaseset to figure out which ones are obsolete. The two of these iterating over the same revset generatorset cause a 'generator already executing' exception. This is probably a flaw in the revset implementation, since iterating over the same set twice should be supported. This regression was introduced in 5d16ebe7b14, since it changed _filterobsoleterevs to be called before the rebaseset was turned into a set(). For now let’s just make the rebaseset an actual set again before calling that function. This was caught by the inhibit tests. The relevant call stack from test-inhibit.t: File "/tmp/hgtests.jgjrN5/install/lib/python/hgext/rebase.py", line 285, in _preparenewrebase obsrevs = _filterobsoleterevs(self.repo, rebaseset) File "/data/hgbuild/facebook-hg-rpms/mutable-history/hgext/inhibit.py", line 197, in _filterobsoleterevswrap r = orig(repo, rebasesetrevs, *args, **kwargs) File "/tmp/hgtests.jgjrN5/install/lib/python/hgext/rebase.py", line 1380, in _filterobsoleterevs return set(r for r in revs if repo[r].obsolete()) File "/tmp/hgtests.jgjrN5/install/lib/python/hgext/rebase.py", line 1380, in <genexpr> return set(r for r in revs if repo[r].obsolete()) File "/tmp/hgtests.jgjrN5/install/lib/python/mercurial/revset.py", line 3079, in _iterordered val2 = next(iter2) File "/tmp/hgtests.jgjrN5/install/lib/python/mercurial/revset.py", line 3417, in gen yield nextrev() File "/tmp/hgtests.jgjrN5/install/lib/python/mercurial/revset.py", line 3424, in _consumegen for item in self._gen: File "/tmp/hgtests.jgjrN5/install/lib/python/mercurial/revset.py", line 71, in iterate cl = repo.changelog File "/tmp/hgtests.jgjrN5/install/lib/python/mercurial/repoview.py", line 319, in changelog revs = filterrevs(unfi, self.filtername) File "/tmp/hgtests.jgjrN5/install/lib/python/mercurial/repoview.py", line 261, in filterrevs repo.filteredrevcache[filtername] = func(repo.unfiltered()) File "/data/hgbuild/facebook-hg-rpms/mutable-history/hgext/directaccess.py", line 65, in _computehidden hidden = repoview.filterrevs(repo, 'visible') File "/tmp/hgtests.jgjrN5/install/lib/python/mercurial/repoview.py", line 261, in filterrevs repo.filteredrevcache[filtername] = func(repo.unfiltered()) File "/tmp/hgtests.jgjrN5/install/lib/python/mercurial/repoview.py", line 175, in computehidden hideable = hideablerevs(repo) File "/tmp/hgtests.jgjrN5/install/lib/python/mercurial/repoview.py", line 33, in hideablerevs return obsolete.getrevs(repo, 'obsolete') File "/tmp/hgtests.jgjrN5/install/lib/python/mercurial/obsolete.py", line 1097, in getrevs repo.obsstore.caches[name] = cachefuncs[name](repo) File "/data/hgbuild/facebook-hg-rpms/mutable-history/hgext/inhibit.py", line 255, in _computeobsoleteset if getrev(n) not in blacklist: File "/tmp/hgtests.jgjrN5/install/lib/python/mercurial/revset.py", line 3264, in __contains__ return x in self._r1 or x in self._r2 File "/tmp/hgtests.jgjrN5/install/lib/python/mercurial/revset.py", line 3348, in __contains__ for l in self._consumegen(): File "/tmp/hgtests.jgjrN5/install/lib/python/mercurial/revset.py", line 3424, in _consumegen for item in self._gen: ValueError: generator already executing
Mads Kiilerich - - Load All Authors

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revisions.txt
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/ mercurial / help / revisions.txt
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Mercurial supports several ways to specify individual revisions.
A plain integer is treated as a revision number. Negative integers are
treated as sequential offsets from the tip, with -1 denoting the tip,
-2 denoting the revision prior to the tip, and so forth.
A 40-digit hexadecimal string is treated as a unique revision
identifier.
A hexadecimal string less than 40 characters long is treated as a
unique revision identifier and is referred to as a short-form
identifier. A short-form identifier is only valid if it is the prefix
of exactly one full-length identifier.
Any other string is treated as a bookmark, tag, or branch name. A
bookmark is a movable pointer to a revision. A tag is a permanent name
associated with a revision. A branch name denotes the tipmost open branch head
of that branch - or if they are all closed, the tipmost closed head of the
branch. Bookmark, tag, and branch names must not contain the ":" character.
The reserved name "tip" always identifies the most recent revision.
The reserved name "null" indicates the null revision. This is the
revision of an empty repository, and the parent of revision 0.
The reserved name "." indicates the working directory parent. If no
working directory is checked out, it is equivalent to null. If an
uncommitted merge is in progress, "." is the revision of the first
parent.