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merge: forcefully mark files that we get from the second parent as dirty After a hg merge, we want to include in the commit all the files that we got from the second parent, so that we have the correct file-level history. To make them visible to hg commit, we try to mark them as dirty. Unfortunately, right now we can't really mark them as dirty[1] - the best we can do is to mark them as needing a full comparison of their contents, but they will still be considered clean if they happen to be identical to the version in the first parent. This changeset extends the dirstate format in a compatible way, so that we can mark a file as dirty: Right now we use a negative file size to indicate we don't have valid stat data for this entry. In practice, this size is always -1. This patch uses -2 to indicate that the entry is dirty. Older versions of hg won't choke on this dirstate, but they may happily mark the file as clean after a full comparison, destroying all of our hard work. The patch adds a dirstate.normallookup method with the semantics of the current normaldirty, and changes normaldirty to forcefully mark the entry as dirty. This should fix issue522. [1] - well, we could put them in state 'm', but that state has a different meaning.
author Alexis S. L. Carvalho <alexis@cecm.usp.br>
date Thu, 23 Aug 2007 01:48:29 -0300
parents e0bc2c575044
children
line wrap: on
line source

adding a
changeset:   0:8580ff50825a
user:        test
date:        Thu Jan 01 00:00:01 1970 +0000
summary:     a

% -f, directory
abort: can only follow copies/renames for explicit file names
% -f, but no args
changeset:   4:b30c444c7c84
tag:         tip
user:        test
date:        Thu Jan 01 00:00:05 1970 +0000
summary:     e

changeset:   3:16b60bf3f99a
user:        test
date:        Thu Jan 01 00:00:04 1970 +0000
summary:     d

changeset:   2:21fba396af4c
user:        test
date:        Thu Jan 01 00:00:03 1970 +0000
summary:     c

changeset:   1:c0296dabce9b
user:        test
date:        Thu Jan 01 00:00:02 1970 +0000
summary:     b

changeset:   0:8580ff50825a
user:        test
date:        Thu Jan 01 00:00:01 1970 +0000
summary:     a

% one rename
changeset:   0:8580ff50825a
user:        test
date:        Thu Jan 01 00:00:01 1970 +0000
files:       a
description:
a


% many renames
changeset:   4:b30c444c7c84
tag:         tip
user:        test
date:        Thu Jan 01 00:00:05 1970 +0000
files:       dir/b e
description:
e


changeset:   2:21fba396af4c
user:        test
date:        Thu Jan 01 00:00:03 1970 +0000
files:       b dir/b
description:
c


changeset:   1:c0296dabce9b
user:        test
date:        Thu Jan 01 00:00:02 1970 +0000
files:       b
description:
b


changeset:   0:8580ff50825a
user:        test
date:        Thu Jan 01 00:00:01 1970 +0000
files:       a
description:
a


% log copies
4 e (dir/b)
3 b (a)
2 dir/b (b)
1 b (a)
0 
% log copies, non-linear manifest
1 files updated, 0 files merged, 1 files removed, 0 files unresolved
adding foo
5 e (dir/b)
% log -p d
changeset:   3:16b60bf3f99a
user:        test
date:        Thu Jan 01 00:00:04 1970 +0000
files:       a b d
description:
d


diff -r 21fba396af4c -r 16b60bf3f99a d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/d	Thu Jan 01 00:00:04 1970 +0000
@@ -0,0 +1,1 @@
+a

adding base
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
adding b1
% log -f
changeset:   3:e62f78d544b4
tag:         tip
parent:      1:3d5bf5654eda
user:        test
date:        Thu Jan 01 00:00:01 1970 +0000
summary:     b1

changeset:   1:3d5bf5654eda
user:        test
date:        Thu Jan 01 00:00:01 1970 +0000
summary:     r1

changeset:   0:67e992f2c4f3
user:        test
date:        Thu Jan 01 00:00:01 1970 +0000
summary:     base

1 files updated, 0 files merged, 1 files removed, 0 files unresolved
adding b2
% log -f -r 1:tip
changeset:   1:3d5bf5654eda
user:        test
date:        Thu Jan 01 00:00:01 1970 +0000
summary:     r1

changeset:   2:60c670bf5b30
user:        test
date:        Thu Jan 01 00:00:01 1970 +0000
summary:     r2

changeset:   3:e62f78d544b4
parent:      1:3d5bf5654eda
user:        test
date:        Thu Jan 01 00:00:01 1970 +0000
summary:     b1

2 files updated, 0 files merged, 1 files removed, 0 files unresolved
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
% log -r . with two parents
warning: working directory has two parents, tag '.' uses the first
changeset:   3:e62f78d544b4
parent:      1:3d5bf5654eda
user:        test
date:        Thu Jan 01 00:00:01 1970 +0000
summary:     b1

% log -r . with one parent
changeset:   5:302e9dd6890d
tag:         tip
parent:      3:e62f78d544b4
parent:      4:ddb82e70d1a1
user:        test
date:        Thu Jan 01 00:00:01 1970 +0000
summary:     m12

% log --follow-first
changeset:   6:2404bbcab562
tag:         tip
user:        test
date:        Thu Jan 01 00:00:01 1970 +0000
summary:     b1.1

changeset:   5:302e9dd6890d
parent:      3:e62f78d544b4
parent:      4:ddb82e70d1a1
user:        test
date:        Thu Jan 01 00:00:01 1970 +0000
summary:     m12

changeset:   3:e62f78d544b4
parent:      1:3d5bf5654eda
user:        test
date:        Thu Jan 01 00:00:01 1970 +0000
summary:     b1

changeset:   1:3d5bf5654eda
user:        test
date:        Thu Jan 01 00:00:01 1970 +0000
summary:     r1

changeset:   0:67e992f2c4f3
user:        test
date:        Thu Jan 01 00:00:01 1970 +0000
summary:     base

% log -P 2
changeset:   6:2404bbcab562
tag:         tip
user:        test
date:        Thu Jan 01 00:00:01 1970 +0000
summary:     b1.1

changeset:   5:302e9dd6890d
parent:      3:e62f78d544b4
parent:      4:ddb82e70d1a1
user:        test
date:        Thu Jan 01 00:00:01 1970 +0000
summary:     m12

changeset:   4:ddb82e70d1a1
parent:      0:67e992f2c4f3
user:        test
date:        Thu Jan 01 00:00:01 1970 +0000
summary:     b2

changeset:   3:e62f78d544b4
parent:      1:3d5bf5654eda
user:        test
date:        Thu Jan 01 00:00:01 1970 +0000
summary:     b1

% log -r ""
abort: Ambiguous identifier!