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merge: refactor unknown file conflict checking...
merge: refactor unknown file conflict checking Previously, we would do a full working directory walk including unknown files to perform a merge. In many cases, this was painful because unknown files greatly outnumbered tracked files and generally had no useful effect on the merge. Here we instead wait until we find a file in the destination that's not tracked locally and detect if it exists and is not ignored. This is usually cheaper but can be -more- expensive in the case where we're adding a huge number of files. On the other hand, the cost of statting the new files should be dwarfed by the cost of eventually writing them. In this version, case collisions are detected implicitly by os.path.exists and wctx[f] lookup.
Alain Leufroy - - Load All Authors

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test-graft.t
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Create a repo with some stuff in it:
$ hg init a
$ cd a
$ echo a > a
$ echo a > d
$ echo a > e
$ hg ci -qAm0
$ echo b > a
$ hg ci -m1 -u bar
$ hg mv a b
$ hg ci -m2
$ hg cp b c
$ hg ci -m3 -u baz
$ echo b > d
$ echo f > e
$ hg ci -m4
$ hg up -q 3
$ echo b > e
$ hg branch -q stable
$ hg ci -m5
$ hg merge -q default --tool internal:local
$ hg branch -q default
$ hg ci -m6
$ hg phase --public 3
$ hg phase --force --secret 6
$ hg --config extensions.graphlog= log -G --template '{author}@{rev}.{phase}: {desc}\n'
@ test@6.secret: 6
|\
| o test@5.draft: 5
| |
o | test@4.draft: 4
|/
o baz@3.public: 3
|
o test@2.public: 2
|
o bar@1.public: 1
|
o test@0.public: 0
Need to specify a rev:
$ hg graft
abort: no revisions specified
[255]
Can't graft ancestor:
$ hg graft 1 2
skipping ancestor revision 1
skipping ancestor revision 2
[255]
Can't graft with dirty wd:
$ hg up -q 0
$ echo foo > a
$ hg graft 1
abort: outstanding uncommitted changes
[255]
$ hg revert a
Graft a rename:
$ hg graft 2 -u foo
grafting revision 2
merging a and b to b
$ hg export tip --git
# HG changeset patch
# User foo
# Date 0 0
# Node ID d2e44c99fd3f31c176ea4efb9eca9f6306c81756
# Parent 68795b066622ca79a25816a662041d8f78f3cd9e
2
diff --git a/a b/b
rename from a
rename to b
--- a/a
+++ b/b
@@ -1,1 +1,1 @@
-a
+b
Look for extra:source
$ hg log --debug -r tip
changeset: 7:d2e44c99fd3f31c176ea4efb9eca9f6306c81756
tag: tip
phase: draft
parent: 0:68795b066622ca79a25816a662041d8f78f3cd9e
parent: -1:0000000000000000000000000000000000000000
manifest: 7:5d59766436fd8fbcd38e7bebef0f6eaf3eebe637
user: foo
date: Thu Jan 01 00:00:00 1970 +0000
files+: b
files-: a
extra: branch=default
extra: source=5c095ad7e90f871700f02dd1fa5012cb4498a2d4
description:
2
Graft out of order, skipping a merge and a duplicate
$ hg graft 1 5 4 3 'merge()' 2 --debug
skipping ungraftable merge revision 6
scanning for duplicate grafts
skipping already grafted revision 2
grafting revision 1
searching for copies back to rev 1
unmatched files in local:
a.orig
b
all copies found (* = to merge, ! = divergent):
b -> a *
checking for directory renames
resolving manifests
overwrite: False, partial: False
ancestor: 68795b066622, local: d2e44c99fd3f+, remote: 5d205f8b35b6
b: local copied/moved to a -> m
preserving b for resolve of b
updating: b 1/1 files (100.00%)
b
b: searching for copy revision for a
b: copy a:b789fdd96dc2f3bd229c1dd8eedf0fc60e2b68e3
grafting revision 5
searching for copies back to rev 1
unmatched files in local:
a.orig
resolving manifests
overwrite: False, partial: False
ancestor: 4c60f11aa304, local: 6f5ea6ac8b70+, remote: 97f8bfe72746
e: remote is newer -> g
updating: e 1/1 files (100.00%)
getting e
e
grafting revision 4
searching for copies back to rev 1
unmatched files in local:
a.orig
resolving manifests
overwrite: False, partial: False
ancestor: 4c60f11aa304, local: 77eb504366ab+, remote: 9c233e8e184d
e: versions differ -> m
d: remote is newer -> g
preserving e for resolve of e
updating: d 1/2 files (50.00%)
getting d
updating: e 2/2 files (100.00%)
picked tool 'internal:merge' for e (binary False symlink False)
merging e
my e@77eb504366ab+ other e@9c233e8e184d ancestor e@68795b066622
warning: conflicts during merge.
merging e incomplete! (edit conflicts, then use 'hg resolve --mark')
abort: unresolved conflicts, can't continue
(use hg resolve and hg graft --continue)
[255]
Continue without resolve should fail:
$ hg graft -c
grafting revision 4
abort: unresolved merge conflicts (see hg help resolve)
[255]
Fix up:
$ echo b > e
$ hg resolve -m e
Continue with a revision should fail:
$ hg graft -c 6
abort: can't specify --continue and revisions
[255]
Continue for real, clobber usernames
$ hg graft -c -U
grafting revision 4
grafting revision 3
Compare with original:
$ hg diff -r 6
$ hg status --rev 0:. -C
M d
M e
A b
a
A c
a
R a
View graph:
$ hg --config extensions.graphlog= log -G --template '{author}@{rev}.{phase}: {desc}\n'
@ test@11.draft: 3
|
o test@10.draft: 4
|
o test@9.draft: 5
|
o bar@8.draft: 1
|
o foo@7.draft: 2
|
| o test@6.secret: 6
| |\
| | o test@5.draft: 5
| | |
| o | test@4.draft: 4
| |/
| o baz@3.public: 3
| |
| o test@2.public: 2
| |
| o bar@1.public: 1
|/
o test@0.public: 0
Graft again onto another branch should preserve the original source
$ hg up -q 0
$ echo 'g'>g
$ hg add g
$ hg ci -m 7
created new head
$ hg graft 7
grafting revision 7
$ hg log -r 7 --template '{rev}:{node}\n'
7:d2e44c99fd3f31c176ea4efb9eca9f6306c81756
$ hg log -r 2 --template '{rev}:{node}\n'
2:5c095ad7e90f871700f02dd1fa5012cb4498a2d4
$ hg log --debug -r tip
changeset: 13:39bb1d13572759bd1e6fc874fed1b12ece047a18
tag: tip
phase: draft
parent: 12:b592ea63bb0c19a6c5c44685ee29a2284f9f1b8f
parent: -1:0000000000000000000000000000000000000000
manifest: 13:0780e055d8f4cd12eadd5a2719481648f336f7a9
user: foo
date: Thu Jan 01 00:00:00 1970 +0000
files+: b
files-: a
extra: branch=default
extra: source=5c095ad7e90f871700f02dd1fa5012cb4498a2d4
description:
2
Disallow grafting an already grafted cset onto its original branch
$ hg up -q 6
$ hg graft 7
skipping already grafted revision 7 (was grafted from 2)
[255]
Disallow grafting already grafted csets with the same origin onto each other
$ hg up -q 13
$ hg graft 2
skipping already grafted revision 2
[255]
$ hg graft 7
skipping already grafted revision 7 (same origin 2)
[255]
$ hg up -q 7
$ hg graft 2
skipping already grafted revision 2
[255]
$ hg graft tip
skipping already grafted revision 13 (same origin 2)
[255]