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tag: v1.6.0.5
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/*
* GIT - The information manager from hell
*
* Copyright (C) Linus Torvalds, 2005
*/
#include "builtin.h"
#include "cache.h"
#include "tree.h"
#include "cache-tree.h"

static const char write_tree_usage[] =
"git write-tree [--missing-ok] [--prefix=<prefix>/]";

int cmd_write_tree(int argc, const char **argv, const char *unused_prefix)
{
int missing_ok = 0, ret;
const char *prefix = NULL;
unsigned char sha1[20];
const char *me = "git-write-tree";

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");

ret = write_cache_as_tree(sha1, missing_ok, prefix);
switch (ret) {
case 0:
printf("%s\n", sha1_to_hex(sha1));
break;
case WRITE_TREE_UNREADABLE_INDEX:
die("%s: error reading the index", me);
break;
case WRITE_TREE_UNMERGED_INDEX:
die("%s: error building trees; the index is unmerged?", me);
break;
case WRITE_TREE_PREFIX_ERROR:
die("%s: prefix %s not found", me, prefix);
break;
}
return ret;
}
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