_GIT_INDEX_OUTPUT: allow plumbing to output to an alternative index file.

diff --git a/builtin-read-tree.c b/builtin-read-tree.c
index 82df94101a20a9ea9c06cd6d6ce8db56d8a7de18..87048f82ee22cc3f2310bb7329328c31127280e0 100644 (file)
--- a/builtin-read-tree.c
+++ b/builtin-read-tree.c
@@ -100,7 +100,7 @@ int cmd_read_tree(int argc, const char **argv, const char *unused_prefix)
        setup_git_directory();
        git_config(git_default_config);
 
-       newfd = hold_lock_file_for_update(&lock_file, get_index_file(), 1);
+       newfd = hold_locked_index(&lock_file, 1);
 
        git_config(git_default_config);
 
@@ -184,7 +184,7 @@ int cmd_read_tree(int argc, const char **argv, const char *unused_prefix)
                        if (opts.dir)
                                die("more than one --exclude-per-directory are given.");
 
-                       dir = calloc(1, sizeof(*opts.dir));
+                       dir = xcalloc(1, sizeof(*opts.dir));
                        dir->show_ignored = 1;
                        dir->exclude_per_dir = arg + 24;
                        opts.dir = dir;
@@ -267,7 +267,7 @@ int cmd_read_tree(int argc, const char **argv, const char *unused_prefix)
        }
 
        if (write_cache(newfd, active_cache, active_nr) ||
-           close(newfd) || commit_lock_file(&lock_file))
+           close(newfd) || commit_locked_index(&lock_file))
                die("unable to write new index file");
        return 0;
 }