Merge branch 'ep/trace-doc-sample-fix'
[gitweb.git] / builtin / reflog.c
index c2eb8ff8402068d7480a3afd262219cb03841ae1..2d46b6482a0110072828e6d16da2d2fa3e0f8389 100644 (file)
@@ -13,6 +13,8 @@ static const char reflog_expire_usage[] =
 "git reflog expire [--expire=<time>] [--expire-unreachable=<time>] [--rewrite] [--updateref] [--stale-fix] [--dry-run | -n] [--verbose] [--all] <refs>...";
 static const char reflog_delete_usage[] =
 "git reflog delete [--rewrite] [--updateref] [--dry-run | -n] [--verbose] <refs>...";
+static const char reflog_exists_usage[] =
+"git reflog exists <ref>";
 
 static unsigned long default_reflog_expire;
 static unsigned long default_reflog_expire_unreachable;
@@ -124,7 +126,7 @@ static int commit_is_complete(struct commit *commit)
                struct commit_list *parent;
 
                c = (struct commit *)study.objects[--study.nr].item;
-               if (!c->object.parsed && !parse_object(c->object.sha1))
+               if (!c->object.parsed && !parse_object(c->object.oid.hash))
                        c->object.flags |= INCOMPLETE;
 
                if (c->object.flags & INCOMPLETE) {
@@ -150,7 +152,7 @@ static int commit_is_complete(struct commit *commit)
                for (i = 0; i < found.nr; i++) {
                        struct commit *c =
                                (struct commit *)found.objects[i].item;
-                       if (!tree_is_complete(c->tree->object.sha1)) {
+                       if (!tree_is_complete(c->tree->object.oid.hash)) {
                                is_incomplete = 1;
                                c->object.flags |= INCOMPLETE;
                        }
@@ -216,7 +218,6 @@ static int keep_entry(struct commit **it, unsigned char *sha1)
  */
 static void mark_reachable(struct expire_reflog_policy_cb *cb)
 {
-       struct commit *commit;
        struct commit_list *pending;
        unsigned long expire_limit = cb->mark_limit;
        struct commit_list *leftover = NULL;
@@ -226,11 +227,8 @@ static void mark_reachable(struct expire_reflog_policy_cb *cb)
 
        pending = cb->mark_list;
        while (pending) {
-               struct commit_list *entry = pending;
                struct commit_list *parent;
-               pending = entry->next;
-               commit = entry->item;
-               free(entry);
+               struct commit *commit = pop_commit(&pending);
                if (commit->object.flags & REACHABLE)
                        continue;
                if (parse_commit(commit))
@@ -384,11 +382,9 @@ static int collect_reflog(const char *ref, const struct object_id *oid, int unus
 {
        struct collected_reflog *e;
        struct collect_reflog_cb *cb = cb_data;
-       size_t namelen = strlen(ref);
 
-       e = xmalloc(sizeof(*e) + namelen + 1);
+       FLEX_ALLOC_STR(e, reflog, ref);
        hashcpy(e->sha1, oid->hash);
-       memcpy(e->reflog, ref, namelen + 1);
        ALLOC_GROW(cb->e, cb->nr + 1, cb->alloc);
        cb->e[cb->nr++] = e;
        return 0;
@@ -398,7 +394,6 @@ static struct reflog_expire_cfg {
        struct reflog_expire_cfg *next;
        unsigned long expire_total;
        unsigned long expire_unreachable;
-       size_t len;
        char pattern[FLEX_ARRAY];
 } *reflog_expire_cfg, **reflog_expire_cfg_tail;
 
@@ -410,13 +405,11 @@ static struct reflog_expire_cfg *find_cfg_ent(const char *pattern, size_t len)
                reflog_expire_cfg_tail = &reflog_expire_cfg;
 
        for (ent = reflog_expire_cfg; ent; ent = ent->next)
-               if (ent->len == len &&
-                   !memcmp(ent->pattern, pattern, len))
+               if (!strncmp(ent->pattern, pattern, len) &&
+                   ent->pattern[len] == '\0')
                        return ent;
 
-       ent = xcalloc(1, (sizeof(*ent) + len));
-       memcpy(ent->pattern, pattern, len);
-       ent->len = len;
+       FLEX_ALLOC_MEM(ent, pattern, pattern, len);
        *reflog_expire_cfg_tail = ent;
        reflog_expire_cfg_tail = &(ent->next);
        return ent;
@@ -427,7 +420,7 @@ static int parse_expire_cfg_value(const char *var, const char *value, unsigned l
        if (!value)
                return config_error_nonbool(var);
        if (parse_expiry_date(value, expire))
-               return error(_("%s' for '%s' is not a valid timestamp"),
+               return error(_("'%s' for '%s' is not a valid timestamp"),
                             value, var);
        return 0;
 }
@@ -699,12 +692,38 @@ static int cmd_reflog_delete(int argc, const char **argv, const char *prefix)
        return status;
 }
 
+static int cmd_reflog_exists(int argc, const char **argv, const char *prefix)
+{
+       int i, start = 0;
+
+       for (i = 1; i < argc; i++) {
+               const char *arg = argv[i];
+               if (!strcmp(arg, "--")) {
+                       i++;
+                       break;
+               }
+               else if (arg[0] == '-')
+                       usage(reflog_exists_usage);
+               else
+                       break;
+       }
+
+       start = i;
+
+       if (argc - start != 1)
+               usage(reflog_exists_usage);
+
+       if (check_refname_format(argv[start], REFNAME_ALLOW_ONELEVEL))
+               die("invalid ref format: %s", argv[start]);
+       return !reflog_exists(argv[start]);
+}
+
 /*
  * main "reflog"
  */
 
 static const char reflog_usage[] =
-"git reflog [ show | expire | delete ]";
+"git reflog [ show | expire | delete | exists ]";
 
 int cmd_reflog(int argc, const char **argv, const char *prefix)
 {
@@ -724,5 +743,8 @@ int cmd_reflog(int argc, const char **argv, const char *prefix)
        if (!strcmp(argv[1], "delete"))
                return cmd_reflog_delete(argc - 1, argv + 1, prefix);
 
+       if (!strcmp(argv[1], "exists"))
+               return cmd_reflog_exists(argc - 1, argv + 1, prefix);
+
        return cmd_log_reflog(argc, argv, prefix);
 }