Code

Merge branch 'nd/resolve-ref'
[git.git] / builtin / checkout.c
index fdd2e0b9d8fc6781810fbf17db956997265f99ea..011c0561d980064513379601ad6fe230f086d138 100644 (file)
@@ -705,17 +705,14 @@ static int switch_branches(struct checkout_opts *opts, struct branch_info *new)
 {
        int ret = 0;
        struct branch_info old;
+       void *path_to_free;
        unsigned char rev[20];
        int flag;
        memset(&old, 0, sizeof(old));
-       old.path = resolve_ref("HEAD", rev, 0, &flag);
-       if (old.path)
-               old.path = xstrdup(old.path);
+       old.path = path_to_free = resolve_refdup("HEAD", rev, 0, &flag);
        old.commit = lookup_commit_reference_gently(rev, 1);
-       if (!(flag & REF_ISSYMREF)) {
-               free((char *)old.path);
+       if (!(flag & REF_ISSYMREF))
                old.path = NULL;
-       }
 
        if (old.path && !prefixcmp(old.path, "refs/heads/"))
                old.name = old.path + strlen("refs/heads/");
@@ -729,8 +726,10 @@ static int switch_branches(struct checkout_opts *opts, struct branch_info *new)
        }
 
        ret = merge_working_tree(opts, &old, new);
-       if (ret)
+       if (ret) {
+               free(path_to_free);
                return ret;
+       }
 
        if (!opts->quiet && !old.path && old.commit && new->commit != old.commit)
                orphaned_commit_warning(old.commit);
@@ -738,7 +737,7 @@ static int switch_branches(struct checkout_opts *opts, struct branch_info *new)
        update_refs_for_switch(opts, &old, new);
 
        ret = post_checkout_hook(old.commit, new->commit, 1);
-       free((char *)old.path);
+       free(path_to_free);
        return ret || opts->writeout_error;
 }