Revision 16cee38ae2bff93a4e4c512550fb4ccac035a3a1 authored by Junio C Hamano on 06 June 2006, 05:36:21 UTC, committed by Junio C Hamano on 06 June 2006, 05:36:21 UTC
Signed-off-by: Junio C Hamano <junkio@cox.net>
1 parent 1d84a60
write-tree.c
/*
* GIT - The information manager from hell
*
* Copyright (C) Linus Torvalds, 2005
*/
#include "cache.h"
#include "tree.h"
#include "cache-tree.h"
static int missing_ok = 0;
static const char write_tree_usage[] = "git-write-tree [--missing-ok]";
static struct cache_file cache_file;
int main(int argc, char **argv)
{
int entries, was_valid, newfd;
setup_git_directory();
newfd = hold_index_file_for_update(&cache_file, get_index_file());
entries = read_cache();
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 (!active_cache_tree)
active_cache_tree = cache_tree();
was_valid = cache_tree_fully_valid(active_cache_tree);
if (!was_valid) {
if (cache_tree_update(active_cache_tree,
active_cache, active_nr,
missing_ok, 0) < 0)
die("git-write-tree: error building trees");
if (0 <= newfd) {
if (!write_cache(newfd, active_cache, active_nr))
commit_index_file(&cache_file);
}
/* Not being able to write is fine -- we are only interested
* in updating the cache-tree part, and if the next caller
* ends up using the old index with unupdated cache-tree part
* it misses the work we did here, but that is just a
* performance penalty and not a big deal.
*/
}
printf("%s\n", sha1_to_hex(active_cache_tree->sha1));
return 0;
}
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