name-rev: refactor logic to see if a new candidate is a better name

diff --git a/builtin/clone.c b/builtin/clone.c
index 6c76a6ed66fef567ca06e3e864b37fc3bed151d5..b4c929bb8afbf94967949279a1cc3b9b21dae100 100644 (file)
--- a/builtin/clone.c
+++ b/builtin/clone.c
@@ -99,7 +99,7 @@ static struct option builtin_clone_options[] = {
        OPT_STRING(0, "shallow-since", &option_since, N_("time"),
                    N_("create a shallow clone since a specific time")),
        OPT_STRING_LIST(0, "shallow-exclude", &option_not, N_("revision"),
-                       N_("deepen history of shallow clone by excluding rev")),
+                       N_("deepen history of shallow clone, excluding rev")),
        OPT_BOOL(0, "single-branch", &option_single_branch,
                    N_("clone only one branch, HEAD or --branch")),
        OPT_BOOL(0, "shallow-submodules", &option_shallow_submodules,
@@ -170,7 +170,7 @@ static char *get_repo_path(const char *repo, int *is_bundle)
 
        strbuf_addstr(&path, repo);
        raw = get_repo_path_1(&path, is_bundle);
-       canon = raw ? xstrdup(absolute_path(raw)) : NULL;
+       canon = raw ? absolute_pathdup(raw) : NULL;
        strbuf_release(&path);
        return canon;
 }
@@ -681,7 +681,7 @@ static void update_head(const struct ref *our, const struct ref *remote,
 
 static int checkout(int submodule_progress)
 {
-       unsigned char sha1[20];
+       struct object_id oid;
        char *head;
        struct lock_file *lock_file;
        struct unpack_trees_options opts;
@@ -692,7 +692,7 @@ static int checkout(int submodule_progress)
        if (option_no_checkout)
                return 0;
 
-       head = resolve_refdup("HEAD", RESOLVE_REF_READING, sha1, NULL);
+       head = resolve_refdup("HEAD", RESOLVE_REF_READING, oid.hash, NULL);
        if (!head) {
                warning(_("remote HEAD refers to nonexistent ref, "
                          "unable to checkout.\n"));
@@ -700,7 +700,7 @@ static int checkout(int submodule_progress)
        }
        if (!strcmp(head, "HEAD")) {
                if (advice_detached_head)
-                       detach_advice(sha1_to_hex(sha1));
+                       detach_advice(oid_to_hex(&oid));
        } else {
                if (!starts_with(head, "refs/heads/"))
                        die(_("HEAD not found below refs/heads!"));
@@ -711,7 +711,7 @@ static int checkout(int submodule_progress)
        setup_work_tree();
 
        lock_file = xcalloc(1, sizeof(struct lock_file));
-       hold_locked_index(lock_file, 1);
+       hold_locked_index(lock_file, LOCK_DIE_ON_ERROR);
 
        memset(&opts, 0, sizeof opts);
        opts.update = 1;
@@ -721,7 +721,7 @@ static int checkout(int submodule_progress)
        opts.src_index = &the_index;
        opts.dst_index = &the_index;
 
-       tree = parse_tree_indirect(sha1);
+       tree = parse_tree_indirect(oid.hash);
        parse_tree(tree);
        init_tree_desc(&t, tree->buffer, tree->size);
        if (unpack_trees(1, &t, &opts) < 0)
@@ -731,7 +731,7 @@ static int checkout(int submodule_progress)
                die(_("unable to write new index file"));
 
        err |= run_hook_le(NULL, "post-checkout", sha1_to_hex(null_sha1),
-                          sha1_to_hex(sha1), "1", NULL);
+                          oid_to_hex(&oid), "1", NULL);
 
        if (!err && option_recursive) {
                struct argv_array args = ARGV_ARRAY_INIT;
@@ -894,7 +894,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
 
        path = get_repo_path(repo_name, &is_bundle);
        if (path)
-               repo = xstrdup(absolute_path(repo_name));
+               repo = absolute_pathdup(repo_name);
        else if (!strchr(repo_name, ':'))
                die(_("repository '%s' does not exist"), repo_name);
        else