Mercurial > hg
annotate tests/test-diff-hashes.t @ 40570:ad71c792a8d8
fix: add extra field to fixed revisions to avoid creating obsolescence cycles
The extra field prevents sequential invocations of fix from producing the same
hash twice. Previously, this could cause problems because it would create an
obsolescence cycle instead of the expected new successor.
This change also adds an explicit check for whether a new revision should be
committed. Until now, the code relied on memctx.commit() to quietly do nothing
if the node already exists. Because of the new extra field, this no longer
covers the case where we don't want to replace an unchanged node.
Differential Revision: https://phab.mercurial-scm.org/D5245
author | Danny Hooper <hooper@google.com> |
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date | Thu, 08 Nov 2018 12:35:26 -0800 |
parents | f2719b387380 |
children | 251332dbf33d |
rev | line source |
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1 $ hg init a |
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2 $ cd a |
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3 |
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4 $ hg diff inexistent1 inexistent2 |
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5 inexistent1: * (glob) |
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6 inexistent2: * (glob) |
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7 |
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8 $ echo bar > foo |
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9 $ hg add foo |
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10 $ hg ci -m 'add foo' |
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11 |
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12 $ echo foobar > foo |
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13 $ hg ci -m 'change foo' |
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14 |
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15 $ hg --quiet diff -r 0 -r 1 |
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16 --- a/foo Thu Jan 01 00:00:00 1970 +0000 |
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17 +++ b/foo Thu Jan 01 00:00:00 1970 +0000 |
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18 @@ -1,1 +1,1 @@ |
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19 -bar |
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20 +foobar |
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21 |
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22 $ hg diff -r 0 -r 1 |
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23 diff -r a99fb63adac3 -r 9b8568d3af2f foo |
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24 --- a/foo Thu Jan 01 00:00:00 1970 +0000 |
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25 +++ b/foo Thu Jan 01 00:00:00 1970 +0000 |
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26 @@ -1,1 +1,1 @@ |
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27 -bar |
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28 +foobar |
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29 |
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30 $ hg --verbose diff -r 0 -r 1 |
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31 diff -r a99fb63adac3 -r 9b8568d3af2f foo |
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32 --- a/foo Thu Jan 01 00:00:00 1970 +0000 |
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33 +++ b/foo Thu Jan 01 00:00:00 1970 +0000 |
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34 @@ -1,1 +1,1 @@ |
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35 -bar |
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36 +foobar |
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37 |
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38 $ hg --debug diff -r 0 -r 1 |
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39 diff -r a99fb63adac3f31816a22f665bc3b7a7655b30f4 -r 9b8568d3af2f1749445eef03aede868a6f39f210 foo |
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40 --- a/foo Thu Jan 01 00:00:00 1970 +0000 |
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41 +++ b/foo Thu Jan 01 00:00:00 1970 +0000 |
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42 @@ -1,1 +1,1 @@ |
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43 -bar |
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44 +foobar |
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45 |
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46 $ cd .. |