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/*
* check-files.c
*
* Check that a set of files are up-to-date in the filesystem or
* do not exist. Used to verify a patch target before doing a patch.
*
* Copyright (C) 2005 Linus Torvalds
*/
#include "cache.h"
static void check_file(const char *path)
{
int fd = open(path, O_RDONLY);
struct cache_entry *ce;
struct stat st;
int pos, changed;
/* Nonexistent is fine */
if (fd < 0) {
if (errno != ENOENT)
die("%s: %s", path, strerror(errno));
return;
}
/* Exists but is not in the cache is not fine */
pos = cache_name_pos(path, strlen(path));
if (pos < 0)
die("preparing to update existing file '%s' not in cache", path);
ce = active_cache[pos];
if (lstat(path, &st) < 0)
die("lstat(%s): %s", path, strerror(errno));
changed = cache_match_stat(ce, &st);
if (changed)
die("preparing to update file '%s' not uptodate in cache", path);
}
int main(int argc, char **argv)
{
int i;
read_cache();
for (i = 1; i < argc ; i++)
check_file(argv[i]);
return 0;
}
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