Merge branch 'bw/log-all-ref-updates-doc'

[git.git] / builtin / rerere.c

diff --git a/builtin/rerere.c b/builtin/rerere.c
index 642bf35587ed994948d3eeac0a189ae29e39bf11..08213c7c0bc6fa5d649a38520dc87222019babe2 100644 (file)
--- a/builtin/rerere.c
+++ b/builtin/rerere.c
@@ -8,78 +8,10 @@
 #include "xdiff-interface.h"
 
 static const char * const rerere_usage[] = {
-       "git rerere [clear | status | diff | gc]",
+       "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;
@@ -136,7 +68,10 @@ 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);
+               const char **pathspec;
+               if (argc < 2)
+                       warning("'git rerere forget' without paths is deprecated");
+               pathspec = get_pathspec(prefix, argv + 1);
                return rerere_forget(pathspec);
        }
 
@@ -145,18 +80,23 @@ int cmd_rerere(int argc, const char **argv, const char *prefix)
                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);
+               rerere_gc(&merge_rr);
        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[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"))
                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;