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