Convert many resolve_ref() calls to read_ref*() and ref_exists()

diff --git a/refs.c b/refs.c
index e69ba26b74e430388c63af21473438468678bb4b..44c1c86e187568f8cf1224f2f540cb6b73db3469 100644 (file)
--- a/refs.c
+++ b/refs.c
@@ -334,7 +334,7 @@ static void get_ref_dir(const char *submodule, const char *base,
                                        flag |= REF_ISBROKEN;
                                }
                        } else
-                               if (!resolve_ref(ref, sha1, 1, &flag)) {
+                               if (read_ref_full(ref, sha1, 1, &flag)) {
                                        hashclr(sha1);
                                        flag |= REF_ISBROKEN;
                                }
@@ -612,13 +612,18 @@ struct ref_filter {
        void *cb_data;
 };
 
-int read_ref(const char *ref, unsigned char *sha1)
+int read_ref_full(const char *ref, unsigned char *sha1, int reading, int *flags)
 {
-       if (resolve_ref(ref, sha1, 1, NULL))
+       if (resolve_ref(ref, sha1, reading, flags))
                return 0;
        return -1;
 }
 
+int read_ref(const char *ref, unsigned char *sha1)
+{
+       return read_ref_full(ref, sha1, 1, NULL);
+}
+
 #define DO_FOR_EACH_INCLUDE_BROKEN 01
 static int do_one_ref(const char *base, each_ref_fn fn, int trim,
                      int flags, void *cb_data, struct ref_entry *entry)
@@ -663,7 +668,7 @@ int peel_ref(const char *ref, unsigned char *sha1)
                goto fallback;
        }
 
-       if (!resolve_ref(ref, base, 1, &flag))
+       if (read_ref_full(ref, base, 1, &flag))
                return -1;
 
        if ((flag & REF_ISPACKED)) {
@@ -746,7 +751,7 @@ static int do_head_ref(const char *submodule, each_ref_fn fn, void *cb_data)
                return 0;
        }
 
-       if (resolve_ref("HEAD", sha1, 1, &flag))
+       if (!read_ref_full("HEAD", sha1, 1, &flag))
                return fn("HEAD", sha1, flag, cb_data);
 
        return 0;
@@ -826,7 +831,7 @@ int head_ref_namespaced(each_ref_fn fn, void *cb_data)
        int flag;
 
        strbuf_addf(&buf, "%sHEAD", get_git_namespace());
-       if (resolve_ref(buf.buf, sha1, 1, &flag))
+       if (!read_ref_full(buf.buf, sha1, 1, &flag))
                ret = fn(buf.buf, sha1, flag, cb_data);
        strbuf_release(&buf);
 
@@ -1022,7 +1027,7 @@ int refname_match(const char *abbrev_name, const char *full_name, const char **r
 static struct ref_lock *verify_lock(struct ref_lock *lock,
        const unsigned char *old_sha1, int mustexist)
 {
-       if (!resolve_ref(lock->ref_name, lock->old_sha1, mustexist, NULL)) {
+       if (read_ref_full(lock->ref_name, lock->old_sha1, mustexist, NULL)) {
                error("Can't verify ref %s", lock->ref_name);
                unlock_ref(lock);
                return NULL;
@@ -1377,7 +1382,8 @@ int rename_ref(const char *oldref, const char *newref, const char *logmsg)
                goto rollback;
        }
 
-       if (resolve_ref(newref, sha1, 1, &flag) && delete_ref(newref, sha1, REF_NODEREF)) {
+       if (!read_ref_full(newref, sha1, 1, &flag) &&
+           delete_ref(newref, sha1, REF_NODEREF)) {
                if (errno==EISDIR) {
                        if (remove_empty_directories(git_path("%s", newref))) {
                                error("Directory not empty: %s", newref);
@@ -1929,7 +1935,7 @@ static int do_for_each_reflog(const char *base, each_ref_fn fn, void *cb_data)
                                retval = do_for_each_reflog(log, fn, cb_data);
                        } else {
                                unsigned char sha1[20];
-                               if (!resolve_ref(log, sha1, 0, NULL))
+                               if (read_ref_full(log, sha1, 0, NULL))
                                        retval = error("bad ref for %s", log);
                                else
                                        retval = fn(log, sha1, 0, cb_data);
@@ -2072,7 +2078,6 @@ char *shorten_unambiguous_ref(const char *ref, int strict)
                 */
                for (j = 0; j < rules_to_fail; j++) {
                        const char *rule = ref_rev_parse_rules[j];
-                       unsigned char short_objectname[20];
                        char refname[PATH_MAX];
 
                        /* skip matched rule */
@@ -2086,7 +2091,7 @@ char *shorten_unambiguous_ref(const char *ref, int strict)
                         */
                        mksnpath(refname, sizeof(refname),
                                 rule, short_name_len, short_name);
-                       if (!read_ref(refname, short_objectname))
+                       if (ref_exists(refname))
                                break;
                }