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-rw-r--r--diff-no-index.c55
1 files changed, 29 insertions, 26 deletions
diff --git a/diff-no-index.c b/diff-no-index.c
index 9414e92..7814eab 100644
--- a/diff-no-index.c
+++ b/diff-no-index.c
@@ -14,6 +14,7 @@
#include "revision.h"
#include "log-tree.h"
#include "builtin.h"
+#include "parse-options.h"
#include "string-list.h"
#include "dir.h"
@@ -233,35 +234,37 @@ static void fixup_paths(const char **path, struct strbuf *replacement)
}
}
-void diff_no_index(struct repository *r,
- struct rev_info *revs,
- int argc, const char **argv)
+static const char * const diff_no_index_usage[] = {
+ N_("git diff --no-index [<options>] <path> <path>"),
+ NULL
+};
+
+int diff_no_index(struct rev_info *revs,
+ int implicit_no_index,
+ int argc, const char **argv)
{
- int i;
+ int i, no_index;
const char *paths[2];
struct strbuf replacement = STRBUF_INIT;
const char *prefix = revs->prefix;
-
- /*
- * FIXME: --no-index should not look at index and we should be
- * able to pass NULL repo. Maybe later.
- */
- repo_diff_setup(r, &revs->diffopt);
- for (i = 1; i < argc - 2; ) {
- int j;
- if (!strcmp(argv[i], "--no-index"))
- i++;
- else if (!strcmp(argv[i], "--"))
- i++;
- else {
- j = diff_opt_parse(&revs->diffopt, argv + i, argc - i,
- revs->prefix);
- if (j <= 0)
- die("invalid diff option/value: %s", argv[i]);
- i += j;
- }
+ struct option no_index_options[] = {
+ OPT_BOOL_F(0, "no-index", &no_index, "",
+ PARSE_OPT_NONEG | PARSE_OPT_HIDDEN),
+ OPT_END(),
+ };
+ struct option *options;
+
+ options = parse_options_concat(no_index_options,
+ revs->diffopt.parseopts);
+ argc = parse_options(argc, argv, revs->prefix, options,
+ diff_no_index_usage, 0);
+ if (argc != 2) {
+ if (implicit_no_index)
+ warning(_("Not a git repository. Use --no-index to "
+ "compare two paths outside a working tree"));
+ usage_with_options(diff_no_index_usage, options);
}
-
+ FREE_AND_NULL(options);
for (i = 0; i < 2; i++) {
const char *p = argv[argc - 2 + i];
if (!strcmp(p, "-"))
@@ -293,7 +296,7 @@ void diff_no_index(struct repository *r,
revs->diffopt.flags.exit_with_status = 1;
if (queue_diff(&revs->diffopt, paths[0], paths[1]))
- exit(1);
+ return 1;
diff_set_mnemonic_prefix(&revs->diffopt, "1/", "2/");
diffcore_std(&revs->diffopt);
diff_flush(&revs->diffopt);
@@ -304,5 +307,5 @@ void diff_no_index(struct repository *r,
* The return code for --no-index imitates diff(1):
* 0 = no changes, 1 = changes, else error
*/
- exit(diff_result_code(&revs->diffopt, 0));
+ return diff_result_code(&revs->diffopt, 0);
}