15 obsolete, |
15 obsolete, |
16 revset, |
16 revset, |
17 ) |
17 ) |
18 |
18 |
19 |
19 |
20 def precheck(repo, revs, action='rewrite'): |
20 def precheck(repo, revs, action=b'rewrite'): |
21 """check if revs can be rewritten |
21 """check if revs can be rewritten |
22 action is used to control the error message. |
22 action is used to control the error message. |
23 |
23 |
24 Make sure this function is called after taking the lock. |
24 Make sure this function is called after taking the lock. |
25 """ |
25 """ |
26 if node.nullrev in revs: |
26 if node.nullrev in revs: |
27 msg = _("cannot %s null changeset") % action |
27 msg = _(b"cannot %s null changeset") % action |
28 hint = _("no changeset checked out") |
28 hint = _(b"no changeset checked out") |
29 raise error.Abort(msg, hint=hint) |
29 raise error.Abort(msg, hint=hint) |
30 |
30 |
31 if len(repo[None].parents()) > 1: |
31 if len(repo[None].parents()) > 1: |
32 raise error.Abort(_("cannot %s while merging") % action) |
32 raise error.Abort(_(b"cannot %s while merging") % action) |
33 |
33 |
34 publicrevs = repo.revs('%ld and public()', revs) |
34 publicrevs = repo.revs(b'%ld and public()', revs) |
35 if publicrevs: |
35 if publicrevs: |
36 msg = _("cannot %s public changesets") % action |
36 msg = _(b"cannot %s public changesets") % action |
37 hint = _("see 'hg help phases' for details") |
37 hint = _(b"see 'hg help phases' for details") |
38 raise error.Abort(msg, hint=hint) |
38 raise error.Abort(msg, hint=hint) |
39 |
39 |
40 newunstable = disallowednewunstable(repo, revs) |
40 newunstable = disallowednewunstable(repo, revs) |
41 if newunstable: |
41 if newunstable: |
42 raise error.Abort(_("cannot %s changeset with children") % action) |
42 raise error.Abort(_(b"cannot %s changeset with children") % action) |
43 |
43 |
44 |
44 |
45 def disallowednewunstable(repo, revs): |
45 def disallowednewunstable(repo, revs): |
46 """Checks whether editing the revs will create new unstable changesets and |
46 """Checks whether editing the revs will create new unstable changesets and |
47 are we allowed to create them. |
47 are we allowed to create them. |
50 `experimental.evolution.allowunstable=True` |
50 `experimental.evolution.allowunstable=True` |
51 """ |
51 """ |
52 allowunstable = obsolete.isenabled(repo, obsolete.allowunstableopt) |
52 allowunstable = obsolete.isenabled(repo, obsolete.allowunstableopt) |
53 if allowunstable: |
53 if allowunstable: |
54 return revset.baseset() |
54 return revset.baseset() |
55 return repo.revs("(%ld::) - %ld", revs, revs) |
55 return repo.revs(b"(%ld::) - %ld", revs, revs) |