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Diffstat (limited to 'builtin/rerere.c')
-rw-r--r--builtin/rerere.c30
1 files changed, 16 insertions, 14 deletions
diff --git a/builtin/rerere.c b/builtin/rerere.c
index fd229a7c7d..1bf72423bf 100644
--- a/builtin/rerere.c
+++ b/builtin/rerere.c
@@ -9,7 +9,7 @@
#include "pathspec.h"
static const char * const rerere_usage[] = {
- N_("git rerere [clear | forget path... | status | remaining | diff | gc]"),
+ N_("git rerere [clear | forget <path>... | status | remaining | diff | gc]"),
NULL,
};
@@ -29,9 +29,10 @@ static int diff_two(const char *file1, const char *label1,
xdemitconf_t xecfg;
xdemitcb_t ecb;
mmfile_t minus, plus;
+ int ret;
if (read_mmfile(&minus, file1) || read_mmfile(&plus, file2))
- return 1;
+ return -1;
printf("--- a/%s\n+++ b/%s\n", label1, label2);
fflush(stdout);
@@ -40,17 +41,17 @@ static int diff_two(const char *file1, const char *label1,
memset(&xecfg, 0, sizeof(xecfg));
xecfg.ctxlen = 3;
ecb.outf = outf;
- xdi_diff(&minus, &plus, &xpp, &xecfg, &ecb);
+ ret = xdi_diff(&minus, &plus, &xpp, &xecfg, &ecb);
free(minus.ptr);
free(plus.ptr);
- return 0;
+ return ret;
}
int cmd_rerere(int argc, const char **argv, const char *prefix)
{
struct string_list merge_rr = STRING_LIST_INIT_DUP;
- int i, fd, autoupdate = -1, flags = 0;
+ int i, autoupdate = -1, flags = 0;
struct option options[] = {
OPT_SET_INT(0, "rerere-autoupdate", &autoupdate,
@@ -79,18 +80,16 @@ int cmd_rerere(int argc, const char **argv, const char *prefix)
return rerere_forget(&pathspec);
}
- fd = setup_rerere(&merge_rr, flags);
- if (fd < 0)
- return 0;
-
if (!strcmp(argv[0], "clear")) {
rerere_clear(&merge_rr);
} else if (!strcmp(argv[0], "gc"))
rerere_gc(&merge_rr);
- else if (!strcmp(argv[0], "status"))
+ else if (!strcmp(argv[0], "status")) {
+ if (setup_rerere(&merge_rr, flags | RERERE_READONLY) < 0)
+ return 0;
for (i = 0; i < merge_rr.nr; i++)
printf("%s\n", merge_rr.items[i].string);
- else if (!strcmp(argv[0], "remaining")) {
+ } else if (!strcmp(argv[0], "remaining")) {
rerere_remaining(&merge_rr);
for (i = 0; i < merge_rr.nr; i++) {
if (merge_rr.items[i].util != RERERE_RESOLVED)
@@ -100,13 +99,16 @@ int cmd_rerere(int argc, const char **argv, const char *prefix)
* string_list_clear() */
merge_rr.items[i].util = NULL;
}
- } else if (!strcmp(argv[0], "diff"))
+ } else if (!strcmp(argv[0], "diff")) {
+ if (setup_rerere(&merge_rr, flags | RERERE_READONLY) < 0)
+ return 0;
for (i = 0; i < merge_rr.nr; i++) {
const char *path = merge_rr.items[i].string;
const struct rerere_id *id = merge_rr.items[i].util;
- diff_two(rerere_path(id, "preimage"), path, path, path);
+ if (diff_two(rerere_path(id, "preimage"), path, path, path))
+ die("unable to generate diff for %s", rerere_path(id, NULL));
}
- else
+ } else
usage_with_options(rerere_usage, options);
string_list_clear(&merge_rr, 1);