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subrepo: avoids empty commit when .hgsubstate is dirty (issue2403)...
subrepo: avoids empty commit when .hgsubstate is dirty (issue2403) This patch avoids empty commit when .hgsubstate is dirty. Empty commit was caused by .hgsubstate being updated back to the state of the working copy parent when committing, if a user had changed it manually and not made any changes in subrepositories. The subrepository state from the working copies parent is compared with the state calculated as a result of trying to commit the subrepositories. If the two states are the same, then return None otherwise the commit is just done. The line: "committing subrepository x" will be written if there is nothing committed, but .hgsubstate is dirty for x subrepository.
Matt Mackall - - Load All Authors

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r12316:4134686b default
r13155:f02d7a56 default
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test-merge-default.t
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Adrian Buehlmann
tests: unify test-merge-default
 r12255 $ hg init
$ echo a > a
$ hg commit -A -ma
adding a
$ echo b >> a
$ hg commit -mb
$ echo c >> a
$ hg commit -mc
$ hg up 1
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ echo d >> a
$ hg commit -md
created new head
$ hg up 1
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ echo e >> a
$ hg commit -me
created new head
$ hg up 1
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
Should fail because not at a head:
$ hg merge
abort: branch 'default' has 3 heads - please merge with an explicit rev
(run 'hg heads .' to see heads)
Matt Mackall
tests: add exit codes to unified tests
 r12316 [255]
Adrian Buehlmann
tests: unify test-merge-default
 r12255
$ hg up
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
Should fail because > 2 heads:
$ HGMERGE=internal:other; export HGMERGE
$ hg merge
abort: branch 'default' has 3 heads - please merge with an explicit rev
(run 'hg heads .' to see heads)
Matt Mackall
tests: add exit codes to unified tests
 r12316 [255]
Adrian Buehlmann
tests: unify test-merge-default
 r12255
Should succeed:
$ hg merge 2
0 files updated, 1 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
$ hg commit -mm1
Should succeed - 2 heads:
$ hg merge -P
changeset: 3:ea9ff125ff88
parent: 1:1846eede8b68
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: d
$ hg merge
0 files updated, 1 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
$ hg commit -mm2
Should fail because at tip:
$ hg merge
abort: there is nothing to merge
Matt Mackall
tests: add exit codes to unified tests
 r12316 [255]
Adrian Buehlmann
tests: unify test-merge-default
 r12255
$ hg up 0
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
Should fail because there is only one head:
$ hg merge
abort: there is nothing to merge - use "hg update" instead
Matt Mackall
tests: add exit codes to unified tests
 r12316 [255]
Adrian Buehlmann
tests: unify test-merge-default
 r12255
$ hg up 3
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ echo f >> a
$ hg branch foobranch
marked working directory as branch foobranch
$ hg commit -mf
Should fail because merge with other branch:
$ hg merge
abort: branch 'foobranch' has one head - please merge with an explicit rev
(run 'hg heads' to see all heads)
Matt Mackall
tests: add exit codes to unified tests
 r12316 [255]
Adrian Buehlmann
tests: unify test-merge-default
 r12255
Test for issue2043: ensure that 'merge -P' shows ancestors of 6 that
are not ancestors of 7, regardless of where their least common
ancestor is.
Merge preview not affected by common ancestor:
$ hg up -q 7
$ hg merge -q -P 6
2:2d95304fed5d
4:f25cbe84d8b3
5:a431fabd6039
6:e88e33f3bf62