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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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4
builtin-diff-index.c
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@ -14,6 +14,7 @@ int cmd_diff_index(int argc, const char **argv, const char *prefix)
struct rev_info rev;
int cached = 0;
int i;
int result;
init_revisions(&rev, prefix);
git_config(git_default_config); /* no "diff" UI options */
@ -42,5 +43,6 @@ int cmd_diff_index(int argc, const char **argv, const char *prefix)
perror("read_cache");
return -1;
}
return run_diff_index(&rev, cached);
result = run_diff_index(&rev, cached);
return rev.diffopt.exit_with_status ? rev.diffopt.has_changes: result;
}