git submodule status: Add --recursive to recurse into nested submodules

diff --git a/builtin-write-tree.c b/builtin-write-tree.c
index 9d640508dd8eb62201b286490b7f83486470d611..b223af416fee5fc219fbcca7afa2b9e03feaa7d0 100644 (file)
--- a/builtin-write-tree.c
+++ b/builtin-write-tree.c
@@ -7,33 +7,37 @@
 #include "cache.h"
 #include "tree.h"
 #include "cache-tree.h"
+#include "parse-options.h"
 
-static const char write_tree_usage[] =
-"git write-tree [--missing-ok] [--prefix=<prefix>/]";
+static const char * const write_tree_usage[] = {
+       "git write-tree [--missing-ok] [--prefix=<prefix>/]",
+       NULL
+};
 
 int cmd_write_tree(int argc, const char **argv, const char *unused_prefix)
 {
-       int missing_ok = 0, ret;
+       int flags = 0, ret;
        const char *prefix = NULL;
        unsigned char sha1[20];
        const char *me = "git-write-tree";
+       struct option write_tree_options[] = {
+               OPT_BIT(0, "missing-ok", &flags, "allow missing objects",
+                       WRITE_TREE_MISSING_OK),
+               { OPTION_STRING, 0, "prefix", &prefix, "<prefix>/",
+                 "write tree object for a subdirectory <prefix>" ,
+                 PARSE_OPT_LITERAL_ARGHELP },
+               { OPTION_BIT, 0, "ignore-cache-tree", &flags, NULL,
+                 "only useful for debugging",
+                 PARSE_OPT_HIDDEN | PARSE_OPT_NOARG, NULL,
+                 WRITE_TREE_IGNORE_CACHE_TREE },
+               OPT_END()
+       };
 
        git_config(git_default_config, NULL);
-       while (1 < argc) {
-               const char *arg = argv[1];
-               if (!strcmp(arg, "--missing-ok"))
-                       missing_ok = 1;
-               else if (!prefixcmp(arg, "--prefix="))
-                       prefix = arg + 9;
-               else
-                       usage(write_tree_usage);
-               argc--; argv++;
-       }
-
-       if (argc > 2)
-               die("too many options");
+       argc = parse_options(argc, argv, unused_prefix, write_tree_options,
+                            write_tree_usage, 0);
 
-       ret = write_cache_as_tree(sha1, missing_ok, prefix);
+       ret = write_cache_as_tree(sha1, flags, prefix);
        switch (ret) {
        case 0:
                printf("%s\n", sha1_to_hex(sha1));