git/builtin/write-tree.c

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/*
* GIT - The information manager from hell
*
* Copyright (C) Linus Torvalds, 2005
*/
#define USE_THE_INDEX_VARIABLE
#include "builtin.h"
#include "config.h"
#include "environment.h"
#include "gettext.h"
#include "hex.h"
#include "tree.h"
#include "cache-tree.h"
#include "parse-options.h"
#include "repository.h"
static const char * const write_tree_usage[] = {
N_("git write-tree [--missing-ok] [--prefix=<prefix>/]"),
NULL
};
int cmd_write_tree(int argc, const char **argv, const char *cmd_prefix)
{
int flags = 0, ret;
const char *tree_prefix = NULL;
struct object_id oid;
const char *me = "git-write-tree";
struct option write_tree_options[] = {
OPT_BIT(0, "missing-ok", &flags, N_("allow missing objects"),
WRITE_TREE_MISSING_OK),
OPT_STRING(0, "prefix", &tree_prefix, N_("<prefix>/"),
N_("write tree object for a subdirectory <prefix>")),
{ OPTION_BIT, 0, "ignore-cache-tree", &flags, NULL,
N_("only useful for debugging"),
PARSE_OPT_HIDDEN | PARSE_OPT_NOARG, NULL,
WRITE_TREE_IGNORE_CACHE_TREE },
OPT_END()
};
git_config(git_default_config, NULL);
argc = parse_options(argc, argv, cmd_prefix, write_tree_options,
write_tree_usage, 0);
prepare_repo_settings(the_repository);
the_repository->settings.command_requires_full_index = 0;
ret = write_index_as_tree(&oid, &the_index, get_index_file(), flags,
tree_prefix);
switch (ret) {
case 0:
printf("%s\n", oid_to_hex(&oid));
break;
case WRITE_TREE_UNREADABLE_INDEX:
die("%s: error reading the index", me);
break;
case WRITE_TREE_UNMERGED_INDEX:
die("%s: error building trees", me);
break;
case WRITE_TREE_PREFIX_ERROR:
die("%s: prefix %s not found", me, tree_prefix);
break;
}
return ret;
}