Johannes Schindelin wrote:
> On Wed, 18 Oct 2006, Jakub Narebski wrote:
>
> > When trying to find how many merges and how many octopus merges (merges with
> > more than two parents) are in git.git repository I have encountered the
> > following strange output of git-log:
> >
> > 1000:jnareb@roke:~/git> git log --parents --full-history --max-count=1 \
> > 211232bae64bcc60bbf5d1b5e5b2344c22ed767e -- a//b
> > commit 211232bae64bcc60bbf5d1b5e5b2344c22ed767e <last parent repeated>
> > Merge: d0d0d0b... d0d0d0b... d0d0d0b... d0d0d0b... d0d0d0b...
> > [...]
>
> This happens because a//b rewrites the history, i.e. the parents are
> edited. IMHO it makes no sense at all to show the parents in such a case,
> since they are bogus.
Or rather it has no sense to _repeat_ rewritten parent the number of times
the commit has parents originally. Compare git-log and git-rev-list results:
1010:jnareb@roke:~/git> git rev-list --full-history --header --parents \
--max-count=2 211232bae64bcc60bbf5d1b5e5b2344c22ed767e -- a//b
211232bae64bcc60bbf5d1b5e5b2344c22ed767e d0d0d0bd3c2c4591ffbc292d7e082e8ad8f2057f
tree cdafa88fa4ed7fcc7bb6c64d62e2d7c4d3b65e42
parent fc54a9c30ccad3fde5890d2c0ca2e2acc0848fbc
parent 9e30dd7c0ecc9f10372f31539d0122db97418353
parent c4b83e618f1df7d8ecc9392fa40e5bebccbe6b5a
parent 660265909fc178581ef327076716dfd3550e6e7b
parent b28858bf65d4fd6d8bb070865518ec43817fe7f3
author Junio C Hamano <junkio@xxxxxxx> 1115335014 -0700
committer Junio C Hamano <junkio@xxxxxxx> 1115335014 -0700
Octopus merge of the following five patches.
Update git-apply-patch-script for symbolic links.
Make git-prune-script executable again.
Do not write out new index if nothing has changed.
diff-cache shows differences for unmerged paths without --cache.
Update diff engine for symlinks stored in the cache.
Signed-off-by: Junio C Hamano <junkio@xxxxxxx>
d0d0d0bd3c2c4591ffbc292d7e082e8ad8f2057f 54c26fb9d0cdff94c7717125d0a222b324bfea8a
[...]
1014:jnareb@roke:~/git> PAGER= git log --full-history --parents \
--max-count=2 211232bae64bcc60bbf5d1b5e5b2344c22ed767e -- a//b
commit 211232bae64bcc60bbf5d1b5e5b2344c22ed767e d0d0d0bd3c2c4591ffbc292d7e082e8ad8f2057f d0d0d0bd3c2c4591ffbc292d7e082e8ad8f2057f d0d0d0bd3c2c4591ffbc292d7e082e8ad8f2057f d0d0d0bd3c2c4591ffbc292d7e082e8ad8f2057f d0d0d0bd3c2c4591ffbc292d7e082e8ad8f2057f
Merge: d0d0d0b... d0d0d0b... d0d0d0b... d0d0d0b... d0d0d0b...
Author: Junio C Hamano <junkio@xxxxxxx>
Date: Thu May 5 16:16:54 2005 -0700
Octopus merge of the following five patches.
Update git-apply-patch-script for symbolic links.
Make git-prune-script executable again.
Do not write out new index if nothing has changed.
diff-cache shows differences for unmerged paths without --cache.
Update diff engine for symlinks stored in the cache.
Signed-off-by: Junio C Hamano <junkio@xxxxxxx>
commit d0d0d0bd3c2c4591ffbc292d7e082e8ad8f2057f 54c26fb9d0cdff94c7717125d0a222b324bfea8a 54c26fb9d0cdff94c7717125d0a222b324bfea8a
[...]
--
Jakub Narebski
Poland
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