- return (e->directory ? "tree" : "blob");
-}
-
-static const char *entry_hex(struct tree_entry_list *e)
-{
- return sha1_to_hex(e->directory
- ? e->item.tree->object.sha1
- : e->item.blob->object.sha1);
-}
-
-/* forward declaration for mutually recursive routines */
-static int show_entry(struct tree_entry_list *, int);
-
-static int show_children(struct tree_entry_list *e, int level)
-{
- if (prepare_children(e))
- die("internal error: ls-tree show_children called with non tree");
- e = e->item.tree->entries;
- while (e) {
- show_entry(e, level);
- e = e->next;
- }
- return 0;
-}
-
-static int show_entry(struct tree_entry_list *e, int level)
-{
- int err = 0;
-
- if (e != &root_entry) {
- printf("%06o %s %s ", e->mode, entry_type(e),
- entry_hex(e));
- show_entry_name(e);
- putchar(line_termination);
- }
-
- if (e->directory) {
- /* If this is a directory, we have the following cases:
- * (1) This is the top-level request (explicit path from the
- * command line, or "root" if there is no command line).
- * a. Without any flag. We show direct children. We do not
- * recurse into them.
- * b. With -r. We do recurse into children.
- * c. With -d. We do not recurse into children.
- * (2) We came here because our caller is either (1-a) or
- * (1-b).
- * a. Without any flag. We do not show our children (which
- * are grandchildren for the original request).
- * b. With -r. We continue to recurse into our children.
- * c. With -d. We should not have come here to begin with.
- */
- if (level == 0 && !(ls_options & LS_TREE_ONLY))
- /* case (1)-a and (1)-b */
- err = err | show_children(e, level+1);
- else if (level && ls_options & LS_RECURSIVE)
- /* case (2)-b */
- err = err | show_children(e, level+1);
- }
- return err;
-}
-
-static int list_one(const char *path)
-{
- int err = 0;
- struct tree_entry_list *e = find_entry(path);
- if (!e) {
- /* traditionally ls-tree does not complain about
- * missing path. We may change this later to match
- * what "/bin/ls -a" does, which is to complain.
- */
- return err;
- }
- err = err | show_entry(e, 0);
- return err;
-}
-
-static int list(char **path)
-{
- int i;
- int err = 0;
- for (i = 0; path[i]; i++)
- err = err | list_one(path[i]);
- return err;
-}
-
-static const char *ls_tree_usage =
- "git-ls-tree [-d] [-r] [-z] <tree-ish> [path...]";
-
-int main(int argc, char **argv)
-{
- static char *path0[] = { "", NULL };
- char **path;