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-rw-r--r--builtin/rerere.c130
1 files changed, 38 insertions, 92 deletions
diff --git a/builtin/rerere.c b/builtin/rerere.c
index 642bf35587..1bf72423bf 100644
--- a/builtin/rerere.c
+++ b/builtin/rerere.c
@@ -6,80 +6,13 @@
#include "rerere.h"
#include "xdiff/xdiff.h"
#include "xdiff-interface.h"
+#include "pathspec.h"
static const char * const rerere_usage[] = {
- "git rerere [clear | status | diff | gc]",
+ N_("git rerere [clear | forget <path>... | status | remaining | diff | gc]"),
NULL,
};
-/* these values are days */
-static int cutoff_noresolve = 15;
-static int cutoff_resolve = 60;
-
-static time_t rerere_created_at(const char *name)
-{
- struct stat st;
- 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"));
- unlink(rerere_path(name, "preimage"));
- unlink(rerere_path(name, "postimage"));
- rmdir(git_path("rr-cache/%s", name));
-}
-
-static int git_rerere_gc_config(const char *var, const char *value, void *cb)
-{
- if (!strcmp(var, "gc.rerereresolved"))
- cutoff_resolve = git_config_int(var, value);
- else if (!strcmp(var, "gc.rerereunresolved"))
- cutoff_noresolve = git_config_int(var, value);
- else
- return git_default_config(var, value, cb);
- return 0;
-}
-
-static void garbage_collect(struct string_list *rr)
-{
- struct string_list to_remove = STRING_LIST_INIT_DUP;
- DIR *dir;
- struct dirent *e;
- int i, cutoff;
- time_t now = time(NULL), then;
-
- git_config(git_rerere_gc_config, NULL);
- dir = opendir(git_path("rr-cache"));
- if (!dir)
- die_errno("unable to open rr-cache directory");
- while ((e = readdir(dir))) {
- if (is_dot_or_dotdot(e->d_name))
- continue;
-
- 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(&to_remove, e->d_name);
- }
- for (i = 0; i < to_remove.nr; i++)
- unlink_rr_item(to_remove.items[i].string);
- string_list_clear(&to_remove, 0);
-}
-
static int outf(void *dummy, mmbuffer_t *ptr, int nbuf)
{
int i;
@@ -96,9 +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);
@@ -107,26 +41,28 @@ 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,
- "register clean resolutions in index", 1),
+ N_("register clean resolutions in index"), 1),
OPT_END(),
};
argc = parse_options(argc, argv, prefix, options, rerere_usage, 0);
+ git_config(git_xmerge_config, NULL);
+
if (autoupdate == 1)
flags = RERERE_AUTOUPDATE;
if (autoupdate == 0)
@@ -136,33 +72,43 @@ int cmd_rerere(int argc, const char **argv, const char *prefix)
return rerere(flags);
if (!strcmp(argv[0], "forget")) {
- const char **pathspec = get_pathspec(prefix, argv + 1);
- return rerere_forget(pathspec);
+ struct pathspec pathspec;
+ if (argc < 2)
+ warning("'git rerere forget' without paths is deprecated");
+ parse_pathspec(&pathspec, 0, PATHSPEC_PREFER_CWD,
+ prefix, argv + 1);
+ return rerere_forget(&pathspec);
}
- fd = setup_rerere(&merge_rr, flags);
- if (fd < 0)
- return 0;
-
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("MERGE_RR"));
+ rerere_clear(&merge_rr);
} else if (!strcmp(argv[0], "gc"))
- garbage_collect(&merge_rr);
- else if (!strcmp(argv[0], "status"))
+ rerere_gc(&merge_rr);
+ 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], "diff"))
+ } 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)
+ printf("%s\n", merge_rr.items[i].string);
+ else
+ /* prepare for later call to
+ * string_list_clear() */
+ merge_rr.items[i].util = NULL;
+ }
+ } 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 char *name = (const char *)merge_rr.items[i].util;
- diff_two(rerere_path(name, "preimage"), path, path, path);
+ const struct rerere_id *id = merge_rr.items[i].util;
+ 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);