Convert resolve_ref+xstrdup to new resolve_refdup function

[git.git] / builtin / checkout.c

diff --git a/builtin/checkout.c b/builtin/checkout.c
index 2a8077242500d54ac50d5829a86b14803fc69126..00740bd6796785cedd8d6baf730016f93a379cd8 100644 (file)
--- a/builtin/checkout.c
+++ b/builtin/checkout.c
@@ -288,7 +288,7 @@ static int checkout_paths(struct tree *source_tree, const char **pathspec,
            commit_locked_index(lock_file))
                die(_("unable to write new index file"));
 
-       resolve_ref("HEAD", rev, 0, &flag);
+       read_ref_full("HEAD", rev, 0, &flag);
        head = lookup_commit_reference_gently(rev, 1);
 
        errs |= post_checkout_hook(head, head, 0);
@@ -411,7 +411,7 @@ static int merge_working_tree(struct checkout_opts *opts,
                topts.fn = twoway_merge;
                topts.dir = xcalloc(1, sizeof(*topts.dir));
                topts.dir->flags |= DIR_SHOW_IGNORED;
-               topts.dir->exclude_per_dir = ".gitignore";
+               setup_standard_excludes(topts.dir);
                tree = parse_tree_indirect(old->commit ?
                                           old->commit->object.sha1 :
                                           EMPTY_TREE_SHA1_BIN);
@@ -696,15 +696,14 @@ 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 = xstrdup(resolve_ref("HEAD", rev, 0, &flag));
+       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/");
@@ -718,8 +717,10 @@ 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);
@@ -727,7 +728,7 @@ 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;
 }
 
@@ -866,7 +867,7 @@ static int parse_branchname_arg(int argc, const char **argv,
        setup_branch_path(new);
 
        if (!check_refname_format(new->path, 0) &&
-           resolve_ref(new->path, branch_rev, 1, NULL))
+           !read_ref(new->path, branch_rev))
                hashcpy(rev, branch_rev);
        else
                new->path = NULL; /* not an existing branch */