write-tree.c


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45

/*
 * GIT - The information manager from hell
 *
 * Copyright (C) Linus Torvalds, 2005
 */
#include "cache.h"
#include "tree.h"
#include "cache-tree.h"
 
static unsigned char active_cache_sha1[20];
static struct cache_tree *active_cache_tree;
 
static int missing_ok = 0;
 
static const char write_tree_usage[] = "git-write-tree [--missing-ok]";
 
int main(int argc, char **argv)
{
	int entries;
 
	setup_git_directory();
 
	entries = read_cache_1(active_cache_sha1);
	active_cache_tree = read_cache_tree(active_cache_sha1);
	if (argc == 2) {
		if (!strcmp(argv[1], "--missing-ok"))
			missing_ok = 1;
		else
			die(write_tree_usage);
	}
 
	if (argc > 2)
		die("too many options");
 
	if (entries < 0)
		die("git-write-tree: error reading cache");
 
	if (cache_tree_update(active_cache_tree, active_cache, active_nr,
			      missing_ok))
		die("git-write-tree: error building trees");
	write_cache_tree(active_cache_sha1, active_cache_tree);
 
	printf("%s\n", sha1_to_hex(active_cache_tree->sha1));
	return 0;
}