worktree: add can be created from any commit-ish

diff --git a/builtin/merge.c b/builtin/merge.c
index 99d4b873f00ce8c4311f6b441b35f390e2e08d62..612dd7bfb6c7e6ae6f636e0b2e55bfed1aff92f2 100644 (file)
--- a/builtin/merge.c
+++ b/builtin/merge.c
@@ -454,7 +454,7 @@ static void merge_name(const char *remote, struct strbuf *msg)
        if (!remote_head)
                die(_("'%s' does not point to a commit"), remote);
 
-       if (dwim_ref(remote, strlen(remote), branch_head.hash, &found_ref) > 0) {
+       if (dwim_ref(remote, strlen(remote), &branch_head, &found_ref) > 0) {
                if (starts_with(found_ref, "refs/heads/")) {
                        strbuf_addf(msg, "%s\t\tbranch '%s' of .\n",
                                    oid_to_hex(&branch_head), remote);
@@ -998,6 +998,7 @@ static struct commit_list *reduce_parents(struct commit *head_commit,
 
        /* Find what parents to record by checking independent ones. */
        parents = reduce_heads(remoteheads);
+       free_commit_list(remoteheads);
 
        remoteheads = NULL;
        remotes = &remoteheads;
@@ -1142,7 +1143,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
         * Check if we are _not_ on a detached HEAD, i.e. if there is a
         * current branch.
         */
-       branch = branch_to_free = resolve_refdup("HEAD", 0, head_oid.hash, NULL);
+       branch = branch_to_free = resolve_refdup("HEAD", 0, &head_oid, NULL);
        if (branch)
                skip_prefix(branch, "refs/heads/", &branch);
        if (!branch || is_null_oid(&head_oid))