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git/builtin-diff-index.c
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#include "cache.h" | |
#include "diff.h" | |
#include "commit.h" | |
#include "revision.h" | |
#include "builtin.h" | |
static const char diff_cache_usage[] = | |
"git-diff-index [-m] [--cached] " | |
"[<common diff options>] <tree-ish> [<path>...]" | |
COMMON_DIFF_OPTIONS_HELP; | |
int cmd_diff_index(int argc, const char **argv, char **envp) | |
{ | |
struct rev_info rev; | |
int cached = 0; | |
int i; | |
git_config(git_diff_config); | |
init_revisions(&rev); | |
rev.abbrev = 0; | |
argc = setup_revisions(argc, argv, &rev, NULL); | |
for (i = 1; i < argc; i++) { | |
const char *arg = argv[i]; | |
if (!strcmp(arg, "--cached")) | |
cached = 1; | |
else | |
usage(diff_cache_usage); | |
} | |
/* | |
* Make sure there is one revision (i.e. pending object), | |
* and there is no revision filtering parameters. | |
*/ | |
if (rev.pending.nr != 1 || | |
rev.max_count != -1 || rev.min_age != -1 || rev.max_age != -1) | |
usage(diff_cache_usage); | |
return run_diff_index(&rev, cached); | |
} |