Re: [PATCH] builtin-commit: avoid using reduce_heads()

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Szia Miklós,

On Fri, Sep 26, 2008 at 02:35:59AM +0200, Miklos Vajna wrote:
> reduce_heads() can filter "duplicated" parents, where "duplicated"
> means: A is duplicated if both A and B are parent candidates and A is
> reachable from B. Doing so in builtin-merge makes sense, but not in
> builtin-commit, because this breaks git merge --no-commit --no-ff.

> Here is a patch that fixes the problem for me.

Thanks for the quick response.  While your patch does fix the bug I
reported, unfortunately it introduces a new one:  t7502-commit.sh
fails at me with the following:


*   ok 17: a SIGTERM should break locks

* expecting success: 

        git rev-parse second master >expect &&
        test_must_fail git merge second master &&
        git checkout master g &&
        EDITOR=: git commit -a &&
        git cat-file commit HEAD | sed -n -e "s/^parent //p" -e
"/^$/q" >actual &&
        test_cmp expect actual


Already up-to-date with 1ae92d674ba95768a00bace571f5ef295ff1696b
Trying simple merge with 9af21aa779d9e148680be525ce161baa37e4bdec
Simple merge did not work, trying automatic merge.
Auto-merging g
ERROR: Merge conflict in g
fatal: merge program failed
Automatic merge failed; fix conflicts and then commit the result.
Created commit 45a4b2b: Merge branches 'second' and 'master' into
second
--- expect      2008-09-26 00:59:42.000000000 +0000
+++ actual      2008-09-26 00:59:42.000000000 +0000
@@ -1,2 +1,3 @@
 1ae92d674ba95768a00bace571f5ef295ff1696b
+1ae92d674ba95768a00bace571f5ef295ff1696b
 9af21aa779d9e148680be525ce161baa37e4bdec
* FAIL 18: Hand committing of a redundant merge removes dups
        
        
                git rev-parse second master >expect &&
                test_must_fail git merge second master &&
                git checkout master g &&
                EDITOR=: git commit -a &&
                git cat-file commit HEAD | sed -n -e "s/^parent //p"
-e "/^$/q" >actual &&
                test_cmp expect actual
        
        

* failed 1 among 18 test(s)
make: *** [t7502-commit.sh] Error 1


Regards,
Gábor
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