Fix export_marks() error handling.

diff --git a/refs.c b/refs.c
index e65a3b4c4ef57863a1055108d2598777cabc2c8d..3da3c8cefcbe123485fb5a68f2406488275ce43b 100644 (file)
--- a/refs.c
+++ b/refs.c
@@ -531,9 +531,10 @@ static int do_one_ref(const char *base, each_ref_fn fn, int trim,
 {
        if (strncmp(base, entry->name, trim))
                return 0;
+       /* Is this a "negative ref" that represents a deleted ref? */
+       if (is_null_sha1(entry->sha1))
+               return 0;
        if (!(flags & DO_FOR_EACH_INCLUDE_BROKEN)) {
-               if (is_null_sha1(entry->sha1))
-                       return 0;
                if (!has_sha1_file(entry->sha1)) {
                        error("%s does not point to a valid object!", entry->name);
                        return 0;
@@ -893,8 +894,10 @@ static struct ref_lock *lock_ref_sha1_basic(const char *ref, const unsigned char
         * name is a proper prefix of our refname.
         */
        if (missing &&
-            !is_refname_available(ref, NULL, get_packed_refs(), 0))
+            !is_refname_available(ref, NULL, get_packed_refs(), 0)) {
+               last_errno = ENOTDIR;
                goto error_return;
+       }
 
        lock->lk = xcalloc(1, sizeof(struct lock_file));
 
@@ -1002,12 +1005,10 @@ int delete_ref(const char *refname, const unsigned char *sha1, int delopt)
                } else {
                        path = git_path("%s", refname);
                }
-               err = unlink(path);
-               if (err && errno != ENOENT) {
+               err = unlink_or_warn(path);
+               if (err && errno != ENOENT)
                        ret = 1;
-                       error("unlink(%s) failed: %s",
-                             path, strerror(errno));
-               }
+
                if (!(delopt & REF_NODEREF))
                        lock->lk->filename[i] = '.';
        }
@@ -1017,10 +1018,7 @@ int delete_ref(const char *refname, const unsigned char *sha1, int delopt)
         */
        ret |= repack_without_ref(refname);
 
-       err = unlink(git_path("logs/%s", lock->ref_name));
-       if (err && errno != ENOENT)
-               warning("unlink(%s) failed: %s",
-                       git_path("logs/%s", lock->ref_name), strerror(errno));
+       unlink_or_warn(git_path("logs/%s", lock->ref_name));
        invalidate_cached_refs();
        unlock_ref(lock);
        return ret;
@@ -1381,7 +1379,7 @@ int create_symref(const char *ref_target, const char *refs_heads_master,
        if (adjust_shared_perm(git_HEAD)) {
                error("Unable to fix permissions on %s", lockpath);
        error_unlink_return:
-               unlink(lockpath);
+               unlink_or_warn(lockpath);
        error_free_return:
                free(git_HEAD);
                return -1;
@@ -1528,8 +1526,10 @@ int for_each_recent_reflog_ent(const char *ref, each_reflog_ent_fn fn, long ofs,
                if (fstat(fileno(logfp), &statbuf) ||
                    statbuf.st_size < ofs ||
                    fseek(logfp, -ofs, SEEK_END) ||
-                   fgets(buf, sizeof(buf), logfp))
+                   fgets(buf, sizeof(buf), logfp)) {
+                       fclose(logfp);
                        return -1;
+               }
        }
 
        while (fgets(buf, sizeof(buf), logfp)) {