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git-merge-index(1)
==================
NAME
----
git-merge-index - Run a merge for files needing merging
SYNOPSIS
--------
'git merge-index' [-o] [-q] <merge-program> (-a | [--] <file>\*)
DESCRIPTION
-----------
This looks up the <file>(s) in the index and, if there are any merge
entries, passes the SHA1 hash for those files as arguments 1, 2, 3 (empty
argument if no file), and <file> as argument 4. File modes for the three
files are passed as arguments 5, 6 and 7.
OPTIONS
-------
\--::
Do not interpret any more arguments as options.
-a::
Run merge against all files in the index that need merging.
-o::
Instead of stopping at the first failed merge, do all of them
in one shot - continue with merging even when previous merges
returned errors, and only return the error code after all the
merges are over.
-q::
Do not complain about failed merge program (the merge program
failure usually indicates conflicts during merge). This is for
porcelains which might want to emit custom messages.
If 'git-merge-index' is called with multiple <file>s (or -a) then it
processes them in turn only stopping if merge returns a non-zero exit
code.
Typically this is run with a script calling git's imitation of
the 'merge' command from the RCS package.
A sample script called 'git-merge-one-file' is included in the
distribution.
ALERT ALERT ALERT! The git "merge object order" is different from the
RCS `merge` program merge object order. In the above ordering, the
original is first. But the argument order to the 3-way merge program
`merge` is to have the original in the middle. Don't ask me why.
Examples:
torvalds@ppc970:~/merge-test> git merge-index cat MM
This is MM from the original tree. # original
This is modified MM in the branch A. # merge1
This is modified MM in the branch B. # merge2
This is modified MM in the branch B. # current contents
or
torvalds@ppc970:~/merge-test> git merge-index cat AA MM
cat: : No such file or directory
This is added AA in the branch A.
This is added AA in the branch B.
This is added AA in the branch B.
fatal: merge program failed
where the latter example shows how 'git-merge-index' will stop trying to
merge once anything has returned an error (i.e., `cat` returned an error
for the AA file, because it didn't exist in the original, and thus
'git-merge-index' didn't even try to merge the MM thing).
Author
------
Written by Linus Torvalds <torvalds@osdl.org>
One-shot merge by Petr Baudis <pasky@ucw.cz>
Documentation
--------------
Documentation by David Greaves, Junio C Hamano and the git-list <git@vger.kernel.org>.
GIT
---
Part of the linkgit:git[1] suite
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