2 .\" Title: git-merge-index
3 .\" Author: [FIXME: author] [see http://www.docbook.org/tdg5/en/html/author]
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10 .TH "GIT\-MERGE\-INDEX" "1" "2024-10-04" "Git 2\&.47\&.0\&.rc1\&.33\&.g9" "Git Manual"
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31 git-merge-index \- Run a merge for files needing merging
35 \fIgit merge\-index\fR [\-o] [\-q] <merge\-program> (\-a | ( [\-\-] <file>\&...\:) )
39 This looks up the <file>(s) in the index and, if there are any merge entries, passes the SHA\-1 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\&.
44 Do not interpret any more arguments as options\&.
49 Run merge against all files in the index that need merging\&.
54 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\&.
59 Do not complain about a failed merge program (a merge program failure usually indicates conflicts during the merge)\&. This is for porcelains which might want to emit custom messages\&.
62 If \fIgit merge\-index\fR is called with multiple <file>s (or \-a) then it processes them in turn only stopping if merge returns a non\-zero exit code\&.
64 Typically this is run with a script calling Git\(cqs imitation of the \fImerge\fR command from the RCS package\&.
66 A sample script called \fIgit merge\-one\-file\fR is included in the distribution\&.
68 ALERT ALERT ALERT! The Git "merge object order" is different from the RCS \fImerge\fR program merge object order\&. In the above ordering, the original is first\&. But the argument order to the 3\-way merge program \fImerge\fR is to have the original in the middle\&. Don\(cqt ask me why\&.
76 torvalds@ppc970:~/merge\-test> git merge\-index cat MM
77 This is MM from the original tree\&. # original
78 This is modified MM in the branch A\&. # merge1
79 This is modified MM in the branch B\&. # merge2
80 This is modified MM in the branch B\&. # current contents
92 torvalds@ppc970:~/merge\-test> git merge\-index cat AA MM
93 cat: : No such file or directory
94 This is added AA in the branch A\&.
95 This is added AA in the branch B\&.
96 This is added AA in the branch B\&.
97 fatal: merge program failed
103 where the latter example shows how \fIgit merge\-index\fR will stop trying to merge once anything has returned an error (i\&.e\&., \fBcat\fR returned an error for the AA file, because it didn\(cqt exist in the original, and thus \fIgit merge\-index\fR didn\(cqt even try to merge the MM thing)\&.
106 Part of the \fBgit\fR(1) suite