Add branch --set-upstream

diff --git a/builtin-read-tree.c b/builtin-read-tree.c
index 9c2d634d6d04c3ce08e1352adcba31b527fc08b1..50413ca17df294a8b10dd406db55a24cf601bb55 100644 (file)
--- a/builtin-read-tree.c
+++ b/builtin-read-tree.c
@@ -31,7 +31,7 @@ static int list_tree(unsigned char *sha1)
 }
 
 static const char * const read_tree_usage[] = {
-       "git read-tree [[-m [--trivial] [--aggressive] | --reset | --prefix=<prefix>] [-u [--exclude-per-directory=<gitignore>] | -i]]  [--index-output=<file>] <tree-ish1> [<tree-ish2> [<tree-ish3>]]",
+       "git read-tree [[-m [--trivial] [--aggressive] | --reset | --prefix=<prefix>] [-u [--exclude-per-directory=<gitignore>] | -i]] [--no-sparse-checkout] [--index-output=<file>] <tree-ish1> [<tree-ish2> [<tree-ish3>]]",
        NULL
 };
 
@@ -98,6 +98,8 @@ int cmd_read_tree(int argc, const char **argv, const char *unused_prefix)
                  PARSE_OPT_NONEG, exclude_per_directory_cb },
                OPT_SET_INT('i', NULL, &opts.index_only,
                            "don't check the working tree after merging", 1),
+               OPT_SET_INT(0, "no-sparse-checkout", &opts.skip_sparse_checkout,
+                           "skip applying sparse checkout filter", 1),
                OPT_END()
        };
 
@@ -108,18 +110,20 @@ int cmd_read_tree(int argc, const char **argv, const char *unused_prefix)
 
        git_config(git_default_config, NULL);
 
-       newfd = hold_locked_index(&lock_file, 1);
-
        argc = parse_options(argc, argv, unused_prefix, read_tree_options,
                             read_tree_usage, 0);
 
-       if (read_cache_unmerged() && (opts.prefix || opts.merge))
-               die("You need to resolve your current index first");
+       newfd = hold_locked_index(&lock_file, 1);
 
        prefix_set = opts.prefix ? 1 : 0;
        if (1 < opts.merge + opts.reset + prefix_set)
                die("Which one? -m, --reset, or --prefix?");
-       stage = opts.merge = (opts.reset || opts.merge || prefix_set);
+
+       if (opts.reset || opts.merge || opts.prefix) {
+               if (read_cache_unmerged() && (opts.prefix || opts.merge))
+                       die("You need to resolve your current index first");
+               stage = opts.merge = 1;
+       }
 
        for (i = 0; i < argc; i++) {
                const char *arg = argv[i];