1 /*
2  * GIT - The information manager from hell
3  *
4  * Copyright (C) Linus Torvalds, 2005
5  */
6 #define USE_THE_INDEX_COMPATIBILITY_MACROS
7 #include "builtin.h"
8 #include "cache.h"
9 #include "config.h"
10 #include "tree.h"
11 #include "cache-tree.h"
12 #include "parse-options.h"
13 
14 static const char * const write_tree_usage[] = {
15 	N_("git write-tree [--missing-ok] [--prefix=<prefix>/]"),
16 	NULL
17 };
18 
cmd_write_tree(int argc,const char ** argv,const char * cmd_prefix)19 int cmd_write_tree(int argc, const char **argv, const char *cmd_prefix)
20 {
21 	int flags = 0, ret;
22 	const char *tree_prefix = NULL;
23 	struct object_id oid;
24 	const char *me = "git-write-tree";
25 	struct option write_tree_options[] = {
26 		OPT_BIT(0, "missing-ok", &flags, N_("allow missing objects"),
27 			WRITE_TREE_MISSING_OK),
28 		OPT_STRING(0, "prefix", &tree_prefix, N_("<prefix>/"),
29 			   N_("write tree object for a subdirectory <prefix>")),
30 		{ OPTION_BIT, 0, "ignore-cache-tree", &flags, NULL,
31 		  N_("only useful for debugging"),
32 		  PARSE_OPT_HIDDEN | PARSE_OPT_NOARG, NULL,
33 		  WRITE_TREE_IGNORE_CACHE_TREE },
34 		OPT_END()
35 	};
36 
37 	git_config(git_default_config, NULL);
38 	argc = parse_options(argc, argv, cmd_prefix, write_tree_options,
39 			     write_tree_usage, 0);
40 
41 	ret = write_cache_as_tree(&oid, flags, tree_prefix);
42 	switch (ret) {
43 	case 0:
44 		printf("%s\n", oid_to_hex(&oid));
45 		break;
46 	case WRITE_TREE_UNREADABLE_INDEX:
47 		die("%s: error reading the index", me);
48 		break;
49 	case WRITE_TREE_UNMERGED_INDEX:
50 		die("%s: error building trees", me);
51 		break;
52 	case WRITE_TREE_PREFIX_ERROR:
53 		die("%s: prefix %s not found", me, tree_prefix);
54 		break;
55 	}
56 	return ret;
57 }
58