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-rw-r--r--builtin/rerere.c83
1 files changed, 49 insertions, 34 deletions
diff --git a/builtin/rerere.c b/builtin/rerere.c
index 34f9acee91..642bf35587 100644
--- a/builtin/rerere.c
+++ b/builtin/rerere.c
@@ -1,13 +1,16 @@
#include "builtin.h"
#include "cache.h"
#include "dir.h"
+#include "parse-options.h"
#include "string-list.h"
#include "rerere.h"
#include "xdiff/xdiff.h"
#include "xdiff-interface.h"
-static const char git_rerere_usage[] =
-"git rerere [clear | status | diff | gc]";
+static const char * const rerere_usage[] = {
+ "git rerere [clear | status | diff | gc]",
+ NULL,
+};
/* these values are days */
static int cutoff_noresolve = 15;
@@ -19,6 +22,12 @@ static time_t rerere_created_at(const char *name)
return stat(rerere_path(name, "preimage"), &st) ? (time_t) 0 : st.st_mtime;
}
+static time_t rerere_last_used_at(const char *name)
+{
+ struct stat st;
+ return stat(rerere_path(name, "postimage"), &st) ? (time_t) 0 : st.st_mtime;
+}
+
static void unlink_rr_item(const char *name)
{
unlink(rerere_path(name, "thisimage"));
@@ -40,7 +49,7 @@ static int git_rerere_gc_config(const char *var, const char *value, void *cb)
static void garbage_collect(struct string_list *rr)
{
- struct string_list to_remove = { NULL, 0, 0, 1 };
+ struct string_list to_remove = STRING_LIST_INIT_DUP;
DIR *dir;
struct dirent *e;
int i, cutoff;
@@ -53,13 +62,18 @@ static void garbage_collect(struct string_list *rr)
while ((e = readdir(dir))) {
if (is_dot_or_dotdot(e->d_name))
continue;
- then = rerere_created_at(e->d_name);
- if (!then)
- continue;
- cutoff = (has_rerere_resolution(e->d_name)
- ? cutoff_resolve : cutoff_noresolve);
+
+ then = rerere_last_used_at(e->d_name);
+ if (then) {
+ cutoff = cutoff_resolve;
+ } else {
+ then = rerere_created_at(e->d_name);
+ if (!then)
+ continue;
+ cutoff = cutoff_noresolve;
+ }
if (then < now - cutoff * 86400)
- string_list_append(e->d_name, &to_remove);
+ string_list_append(&to_remove, e->d_name);
}
for (i = 0; i < to_remove.nr; i++)
unlink_rr_item(to_remove.items[i].string);
@@ -89,7 +103,7 @@ static int diff_two(const char *file1, const char *label1,
printf("--- a/%s\n+++ b/%s\n", label1, label2);
fflush(stdout);
memset(&xpp, 0, sizeof(xpp));
- xpp.flags = XDF_NEED_MINIMAL;
+ xpp.flags = 0;
memset(&xecfg, 0, sizeof(xecfg));
xecfg.ctxlen = 3;
ecb.outf = outf;
@@ -102,26 +116,27 @@ static int diff_two(const char *file1, const char *label1,
int cmd_rerere(int argc, const char **argv, const char *prefix)
{
- struct string_list merge_rr = { NULL, 0, 0, 1 };
- int i, fd, flags = 0;
-
- if (2 < argc) {
- if (!strcmp(argv[1], "-h"))
- usage(git_rerere_usage);
- if (!strcmp(argv[1], "--rerere-autoupdate"))
- flags = RERERE_AUTOUPDATE;
- else if (!strcmp(argv[1], "--no-rerere-autoupdate"))
- flags = RERERE_NOAUTOUPDATE;
- if (flags) {
- argc--;
- argv++;
- }
- }
- if (argc < 2)
+ struct string_list merge_rr = STRING_LIST_INIT_DUP;
+ int i, fd, autoupdate = -1, flags = 0;
+
+ struct option options[] = {
+ OPT_SET_INT(0, "rerere-autoupdate", &autoupdate,
+ "register clean resolutions in index", 1),
+ OPT_END(),
+ };
+
+ argc = parse_options(argc, argv, prefix, options, rerere_usage, 0);
+
+ if (autoupdate == 1)
+ flags = RERERE_AUTOUPDATE;
+ if (autoupdate == 0)
+ flags = RERERE_NOAUTOUPDATE;
+
+ if (argc < 1)
return rerere(flags);
- if (!strcmp(argv[1], "forget")) {
- const char **pathspec = get_pathspec(prefix, argv + 2);
+ if (!strcmp(argv[0], "forget")) {
+ const char **pathspec = get_pathspec(prefix, argv + 1);
return rerere_forget(pathspec);
}
@@ -129,26 +144,26 @@ int cmd_rerere(int argc, const char **argv, const char *prefix)
if (fd < 0)
return 0;
- if (!strcmp(argv[1], "clear")) {
+ if (!strcmp(argv[0], "clear")) {
for (i = 0; i < merge_rr.nr; i++) {
const char *name = (const char *)merge_rr.items[i].util;
if (!has_rerere_resolution(name))
unlink_rr_item(name);
}
- unlink_or_warn(git_path("rr-cache/MERGE_RR"));
- } else if (!strcmp(argv[1], "gc"))
+ unlink_or_warn(git_path("MERGE_RR"));
+ } else if (!strcmp(argv[0], "gc"))
garbage_collect(&merge_rr);
- else if (!strcmp(argv[1], "status"))
+ else if (!strcmp(argv[0], "status"))
for (i = 0; i < merge_rr.nr; i++)
printf("%s\n", merge_rr.items[i].string);
- else if (!strcmp(argv[1], "diff"))
+ else if (!strcmp(argv[0], "diff"))
for (i = 0; i < merge_rr.nr; i++) {
const char *path = merge_rr.items[i].string;
const char *name = (const char *)merge_rr.items[i].util;
diff_two(rerere_path(name, "preimage"), path, path, path);
}
else
- usage(git_rerere_usage);
+ usage_with_options(rerere_usage, options);
string_list_clear(&merge_rr, 1);
return 0;