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Allow git-diff exit with codes similar to diff(1)

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This introduces a new command-line option: --exit-code. The diff
programs will return 1 for differences, return 0 for equality, and
something else for errors.

Signed-off-by: Alex Riesen <raa.lkml@gmail.com>
Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Alex Riesen
2007-03-14 01:17:04 +01:00
committed by Junio C Hamano
parent 803527f1d9
commit 41bbf9d585
9 changed files with 118 additions and 14 deletions
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5
diff-lib.c
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@ -170,8 +170,10 @@ static int handle_diff_files_args(struct rev_info *revs,
else if (!strcmp(argv[1], "--theirs"))
revs->max_count = 3;
else if (!strcmp(argv[1], "-n") ||
!strcmp(argv[1], "--no-index"))
!strcmp(argv[1], "--no-index")) {
revs->max_count = -2;
revs->diffopt.exit_with_status = 1;
}
else if (!strcmp(argv[1], "-q"))
*silent = 1;
else
@ -237,6 +239,7 @@ int setup_diff_no_index(struct rev_info *revs,
break;
} else if (i < argc - 3 && !strcmp(argv[i], "--no-index")) {
i = argc - 3;
revs->diffopt.exit_with_status = 1;
break;
}
if (argc != i + 2 || (!is_outside_repo(argv[i + 1], nongit, prefix) &&