##// END OF EJS Templates
rewriteutil: add a precheck function to check if revs can be rewritten...
Pulkit Goyal -
r35243:490df753 default
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@@ -7,11 +7,39 b''
7
7
8 from __future__ import absolute_import
8 from __future__ import absolute_import
9
9
10 from .i18n import _
11
10 from . import (
12 from . import (
13 error,
14 node,
11 obsolete,
15 obsolete,
12 revset,
16 revset,
13 )
17 )
14
18
19 def precheck(repo, revs, action='rewrite'):
20 """check if revs can be rewritten
21 action is used to control the error message.
22
23 Make sure this function is called after taking the lock.
24 """
25 if node.nullrev in revs:
26 msg = _("cannot %s null changeset") % (action)
27 hint = _("no changeset checked out")
28 raise error.Abort(msg, hint=hint)
29
30 publicrevs = repo.revs('%ld and public()', revs)
31 if len(repo[None].parents()) > 1:
32 raise error.Abort(_("cannot %s while merging") % action)
33
34 if publicrevs:
35 msg = _("cannot %s public changesets") % (action)
36 hint = _("see 'hg help phases' for details")
37 raise error.Abort(msg, hint=hint)
38
39 newunstable = disallowednewunstable(repo, revs)
40 if newunstable:
41 raise error.Abort(_("cannot %s changeset with children") % action)
42
15 def disallowednewunstable(repo, revs):
43 def disallowednewunstable(repo, revs):
16 """Checks whether editing the revs will create new unstable changesets and
44 """Checks whether editing the revs will create new unstable changesets and
17 are we allowed to create them.
45 are we allowed to create them.
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