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