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filemerge: add internal merge tool to dump files forcibly...
filemerge: add internal merge tool to dump files forcibly Internal merge tool :dump implies premerge. Therefore, files aren't dumped, if premerge runs successfully. This undocumented behavior might confuse users, if they want to always dump files. But just making :dump omit premerge might cause backward compatibility issue for existing automation. This patch adds new internal merge tool :forcedump, which works as same as :dump, but omits premerge always. Internal tools annotated with "nomerge" should merge "change and delete" correctly, but _forcedump() can't. Therefore, it is annotated with "mergeonly" to always omit premerge, even though it doesn't merge files actually. This patch also adds explanation about premerge to :dump, to clarify how :dump actually works. BTW, this patch specifies internal tools with "internal:" prefix in newly added test scenario in test-merge-tools.t, even though this prefix is already deprecated. This is only for similarity to other tests in test-merge-tools.t.
Durham Goode - - Load All Authors

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test-obsolete-divergent.t
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Test file dedicated to testing the divergent troubles from obsolete changeset.
This is the most complex troubles from far so we isolate it in a dedicated
file.
Enable obsolete
$ cat >> $HGRCPATH << EOF
> [ui]
> logtemplate = {rev}:{node|short} {desc}\n
> [experimental]
> evolution=createmarkers
> [alias]
> debugobsolete = debugobsolete -d '0 0'
> [phases]
> publish=False
> EOF
$ mkcommit() {
> echo "$1" > "$1"
> hg add "$1"
> hg ci -m "$1"
> }
$ getid() {
> hg log --hidden -r "desc('$1')" -T '{node}\n'
> }
setup repo
$ hg init reference
$ cd reference
$ mkcommit base
$ mkcommit A_0
$ hg up 0
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ mkcommit A_1
created new head
$ hg up 0
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ mkcommit A_2
created new head
$ hg up 0
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ cd ..
$ newcase() {
> hg clone -u 0 -q reference $1
> cd $1
> }
direct divergence
-----------------
A_1 have two direct and divergent successors A_1 and A_1
$ newcase direct
$ hg debugobsolete `getid A_0` `getid A_1`
$ hg debugobsolete `getid A_0` `getid A_2`
$ hg log -G --hidden
o 3:392fd25390da A_2
|
| o 2:82623d38b9ba A_1
|/
| x 1:007dc284c1f8 A_0
|/
@ 0:d20a80d4def3 base
$ hg debugsuccessorssets --hidden 'all()'
d20a80d4def3
d20a80d4def3
007dc284c1f8
82623d38b9ba
392fd25390da
82623d38b9ba
82623d38b9ba
392fd25390da
392fd25390da
$ hg log -r 'divergent()'
2:82623d38b9ba A_1
3:392fd25390da A_2
check that mercurial refuse to push
$ hg init ../other
$ hg push ../other
pushing to ../other
searching for changes
abort: push includes divergent changeset: 392fd25390da!
[255]
$ cd ..
indirect divergence with known changeset
-------------------------------------------
$ newcase indirect_known
$ hg debugobsolete `getid A_0` `getid A_1`
$ hg debugobsolete `getid A_0` `getid A_2`
$ mkcommit A_3
created new head
$ hg debugobsolete `getid A_2` `getid A_3`
$ hg log -G --hidden
@ 4:01f36c5a8fda A_3
|
| x 3:392fd25390da A_2
|/
| o 2:82623d38b9ba A_1
|/
| x 1:007dc284c1f8 A_0
|/
o 0:d20a80d4def3 base
$ hg debugsuccessorssets --hidden 'all()'
d20a80d4def3
d20a80d4def3
007dc284c1f8
82623d38b9ba
01f36c5a8fda
82623d38b9ba
82623d38b9ba
392fd25390da
01f36c5a8fda
01f36c5a8fda
01f36c5a8fda
$ hg log -r 'divergent()'
2:82623d38b9ba A_1
4:01f36c5a8fda A_3
$ cd ..
indirect divergence with known changeset
-------------------------------------------
$ newcase indirect_unknown
$ hg debugobsolete `getid A_0` aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
$ hg debugobsolete aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa `getid A_1`
$ hg debugobsolete `getid A_0` `getid A_2`
$ hg log -G --hidden
o 3:392fd25390da A_2
|
| o 2:82623d38b9ba A_1
|/
| x 1:007dc284c1f8 A_0
|/
@ 0:d20a80d4def3 base
$ hg debugsuccessorssets --hidden 'all()'
d20a80d4def3
d20a80d4def3
007dc284c1f8
82623d38b9ba
392fd25390da
82623d38b9ba
82623d38b9ba
392fd25390da
392fd25390da
$ hg log -r 'divergent()'
2:82623d38b9ba A_1
3:392fd25390da A_2
$ cd ..
do not take unknown node in account if they are final
-----------------------------------------------------
$ newcase final-unknown
$ hg debugobsolete `getid A_0` `getid A_1`
$ hg debugobsolete `getid A_1` `getid A_2`
$ hg debugobsolete `getid A_0` bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
$ hg debugobsolete bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb cccccccccccccccccccccccccccccccccccccccc
$ hg debugobsolete `getid A_1` dddddddddddddddddddddddddddddddddddddddd
$ hg debugsuccessorssets --hidden 'desc('A_0')'
007dc284c1f8
392fd25390da
$ cd ..
divergence that converge again is not divergence anymore
-----------------------------------------------------
$ newcase converged_divergence
$ hg debugobsolete `getid A_0` `getid A_1`
$ hg debugobsolete `getid A_0` `getid A_2`
$ mkcommit A_3
created new head
$ hg debugobsolete `getid A_1` `getid A_3`
$ hg debugobsolete `getid A_2` `getid A_3`
$ hg log -G --hidden
@ 4:01f36c5a8fda A_3
|
| x 3:392fd25390da A_2
|/
| x 2:82623d38b9ba A_1
|/
| x 1:007dc284c1f8 A_0
|/
o 0:d20a80d4def3 base
$ hg debugsuccessorssets --hidden 'all()'
d20a80d4def3
d20a80d4def3
007dc284c1f8
01f36c5a8fda
82623d38b9ba
01f36c5a8fda
392fd25390da
01f36c5a8fda
01f36c5a8fda
01f36c5a8fda
$ hg log -r 'divergent()'
$ cd ..
split is not divergences
-----------------------------
$ newcase split
$ hg debugobsolete `getid A_0` `getid A_1` `getid A_2`
$ hg log -G --hidden
o 3:392fd25390da A_2
|
| o 2:82623d38b9ba A_1
|/
| x 1:007dc284c1f8 A_0
|/
@ 0:d20a80d4def3 base
$ hg debugsuccessorssets --hidden 'all()'
d20a80d4def3
d20a80d4def3
007dc284c1f8
82623d38b9ba 392fd25390da
82623d38b9ba
82623d38b9ba
392fd25390da
392fd25390da
$ hg log -r 'divergent()'
Even when subsequent rewriting happen
$ mkcommit A_3
created new head
$ hg debugobsolete `getid A_1` `getid A_3`
$ hg up 0
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ mkcommit A_4
created new head
$ hg debugobsolete `getid A_2` `getid A_4`
$ hg up 0
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ mkcommit A_5
created new head
$ hg debugobsolete `getid A_4` `getid A_5`
$ hg log -G --hidden
@ 6:e442cfc57690 A_5
|
| x 5:6a411f0d7a0a A_4
|/
| o 4:01f36c5a8fda A_3
|/
| x 3:392fd25390da A_2
|/
| x 2:82623d38b9ba A_1
|/
| x 1:007dc284c1f8 A_0
|/
o 0:d20a80d4def3 base
$ hg debugsuccessorssets --hidden 'all()'
d20a80d4def3
d20a80d4def3
007dc284c1f8
01f36c5a8fda e442cfc57690
82623d38b9ba
01f36c5a8fda
392fd25390da
e442cfc57690
01f36c5a8fda
01f36c5a8fda
6a411f0d7a0a
e442cfc57690
e442cfc57690
e442cfc57690
$ hg log -r 'divergent()'
Check more complex obsolescence graft (with divergence)
$ mkcommit B_0; hg up 0
0 files updated, 0 files merged, 2 files removed, 0 files unresolved
$ hg debugobsolete `getid B_0` `getid A_2`
$ mkcommit A_7; hg up 0
created new head
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ mkcommit A_8; hg up 0
created new head
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ hg debugobsolete `getid A_5` `getid A_7` `getid A_8`
$ mkcommit A_9; hg up 0
created new head
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ hg debugobsolete `getid A_5` `getid A_9`
$ hg log -G --hidden
o 10:bed64f5d2f5a A_9
|
| o 9:14608b260df8 A_8
|/
| o 8:7ae126973a96 A_7
|/
| x 7:3750ebee865d B_0
| |
| x 6:e442cfc57690 A_5
|/
| x 5:6a411f0d7a0a A_4
|/
| o 4:01f36c5a8fda A_3
|/
| x 3:392fd25390da A_2
|/
| x 2:82623d38b9ba A_1
|/
| x 1:007dc284c1f8 A_0
|/
@ 0:d20a80d4def3 base
$ hg debugsuccessorssets --hidden 'all()'
d20a80d4def3
d20a80d4def3
007dc284c1f8
01f36c5a8fda bed64f5d2f5a
01f36c5a8fda 7ae126973a96 14608b260df8
82623d38b9ba
01f36c5a8fda
392fd25390da
bed64f5d2f5a
7ae126973a96 14608b260df8
01f36c5a8fda
01f36c5a8fda
6a411f0d7a0a
bed64f5d2f5a
7ae126973a96 14608b260df8
e442cfc57690
bed64f5d2f5a
7ae126973a96 14608b260df8
3750ebee865d
bed64f5d2f5a
7ae126973a96 14608b260df8
7ae126973a96
7ae126973a96
14608b260df8
14608b260df8
bed64f5d2f5a
bed64f5d2f5a
$ hg log -r 'divergent()'
4:01f36c5a8fda A_3
8:7ae126973a96 A_7
9:14608b260df8 A_8
10:bed64f5d2f5a A_9
fix the divergence
$ mkcommit A_A; hg up 0
created new head
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ hg debugobsolete `getid A_9` `getid A_A`
$ hg debugobsolete `getid A_7` `getid A_A`
$ hg debugobsolete `getid A_8` `getid A_A`
$ hg log -G --hidden
o 11:a139f71be9da A_A
|
| x 10:bed64f5d2f5a A_9
|/
| x 9:14608b260df8 A_8
|/
| x 8:7ae126973a96 A_7
|/
| x 7:3750ebee865d B_0
| |
| x 6:e442cfc57690 A_5
|/
| x 5:6a411f0d7a0a A_4
|/
| o 4:01f36c5a8fda A_3
|/
| x 3:392fd25390da A_2
|/
| x 2:82623d38b9ba A_1
|/
| x 1:007dc284c1f8 A_0
|/
@ 0:d20a80d4def3 base
$ hg debugsuccessorssets --hidden 'all()'
d20a80d4def3
d20a80d4def3
007dc284c1f8
01f36c5a8fda a139f71be9da
82623d38b9ba
01f36c5a8fda
392fd25390da
a139f71be9da
01f36c5a8fda
01f36c5a8fda
6a411f0d7a0a
a139f71be9da
e442cfc57690
a139f71be9da
3750ebee865d
a139f71be9da
7ae126973a96
a139f71be9da
14608b260df8
a139f71be9da
bed64f5d2f5a
a139f71be9da
a139f71be9da
a139f71be9da
$ hg log -r 'divergent()'
$ cd ..
Subset does not diverge
------------------------------
Do not report divergent successors-set if it is a subset of another
successors-set. (report [A,B] not [A] + [A,B])
$ newcase subset
$ hg debugobsolete `getid A_0` `getid A_2`
$ hg debugobsolete `getid A_0` `getid A_1` `getid A_2`
$ hg debugsuccessorssets --hidden 'desc('A_0')'
007dc284c1f8
82623d38b9ba 392fd25390da
$ cd ..