diff options
| -rw-r--r-- | builtin/rerere.c | 77 | ||||
| -rw-r--r-- | rerere.c | 84 | ||||
| -rw-r--r-- | rerere.h | 2 |
3 files changed, 88 insertions, 75 deletions
diff --git a/builtin/rerere.c b/builtin/rerere.c index 82358855d1..08213c7c0b 100644 --- a/builtin/rerere.c +++ b/builtin/rerere.c @@ -12,74 +12,6 @@ static const char * const rerere_usage[] = { 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; @@ -148,14 +80,9 @@ 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); @@ -671,3 +671,87 @@ int rerere_forget(const char **pathspec) } return write_rr(&merge_rr, fd); } + +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)); +} + +struct rerere_gc_config_cb { + int cutoff_noresolve; + int cutoff_resolve; +}; + +static int git_rerere_gc_config(const char *var, const char *value, void *cb) +{ + struct rerere_gc_config_cb *cf = cb; + + if (!strcmp(var, "gc.rerereresolved")) + cf->cutoff_resolve = git_config_int(var, value); + else if (!strcmp(var, "gc.rerereunresolved")) + cf->cutoff_noresolve = git_config_int(var, value); + else + return git_default_config(var, value, cb); + return 0; +} + +void rerere_gc(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; + struct rerere_gc_config_cb cf = { 15, 60 }; + + git_config(git_rerere_gc_config, &cf); + 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 = cf.cutoff_resolve; + } else { + then = rerere_created_at(e->d_name); + if (!then) + continue; + cutoff = cf.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); +} + +void rerere_clear(struct string_list *merge_rr) +{ + int i; + + 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")); +} @@ -19,6 +19,8 @@ extern const char *rerere_path(const char *hex, const char *file); extern int has_rerere_resolution(const char *hex); extern int rerere_forget(const char **); extern int rerere_remaining(struct string_list *); +extern void rerere_clear(struct string_list *); +extern void rerere_gc(struct string_list *); #define OPT_RERERE_AUTOUPDATE(v) OPT_UYN(0, "rerere-autoupdate", (v), \ "update the index with reused conflict resolution if possible") |