#include "object.h"
#include "commit.h"
#include "tag.h"
-#include "rev-cache.h"
/* refs */
static FILE *info_ref_fp;
-static unsigned long info_ref_time;
-static int info_ref_is_stale = 0;
-
-static int stat_ref(const char *path, const unsigned char *sha1)
-{
- struct stat st;
- if (!stat(path, &st) && info_ref_time < st.st_mtime)
- info_ref_is_stale = 1;
- return 0;
-}
static int add_info_ref(const char *path, const unsigned char *sha1)
{
static int update_info_refs(int force)
{
- struct stat st;
char *path0 = strdup(git_path("info/refs"));
int len = strlen(path0);
char *path1 = xmalloc(len + 2);
strcpy(path1, path0);
strcpy(path1 + len, "+");
- if (!force) {
- if (stat(path0, &st)) {
- if (errno == ENOENT)
- info_ref_is_stale = 1;
- else
- return error("cannot stat %s", path0);
- }
- else {
- info_ref_time = st.st_mtime;
- for_each_ref(stat_ref);
- }
- if (!info_ref_is_stale)
- return 0;
- }
-
safe_create_leading_directories(path0);
info_ref_fp = fopen(path1, "w");
if (!info_ref_fp)
return 0;
}
-/* rev-cache */
-static int record_rev_cache_ref(const char *path, const unsigned char *sha1)
-{
- struct object *obj = parse_object(sha1);
-
- if (!obj)
- return error("ref %s has bad sha %s", path, sha1_to_hex(sha1));
- while (obj && obj->type == tag_type)
- obj = parse_object(((struct tag *)obj)->tagged->sha1);
- if (!obj || obj->type != commit_type)
- /* tag pointing at a non-commit */
- return 0;
- return record_rev_cache(obj->sha1, NULL);
-}
-
-static int update_info_revs(int force)
-{
- char *path0 = strdup(git_path("info/rev-cache"));
- int len = strlen(path0);
- char *path1 = xmalloc(len + 2);
-
- strcpy(path1, path0);
- strcpy(path1 + len, "+");
-
- /* read existing rev-cache */
- if (!force)
- read_rev_cache(path0, NULL, 0);
- safe_create_leading_directories(path0);
-
- for_each_ref(record_rev_cache_ref);
-
- /* update the rev-cache database */
- write_rev_cache(path1, force ? "/dev/null" : path0);
- rename(path1, path0);
- free(path1);
- free(path0);
- return 0;
-}
-
/* public */
int update_server_info(int force)
{
errs = errs | update_info_refs(force);
errs = errs | update_info_packs(force);
- errs = errs | update_info_revs(force);
return errs;
}