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2de381f919
Now there is error() for "library" errors and die() for fatal "application" errors. usage() is now used strictly only for usage errors. Signed-off-by: Petr Baudis <pasky@ucw.cz>
47 lines
998 B
C
47 lines
998 B
C
/*
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* check-files.c
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*
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* Check that a set of files are up-to-date in the filesystem or
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* do not exist. Used to verify a patch target before doing a patch.
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*
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* Copyright (C) 2005 Linus Torvalds
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*/
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#include "cache.h"
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static void check_file(const char *path)
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{
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int fd = open(path, O_RDONLY);
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struct cache_entry *ce;
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struct stat st;
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int pos, changed;
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/* Nonexistent is fine */
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if (fd < 0) {
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if (errno != ENOENT)
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die("%s: %s", path, strerror(errno));
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return;
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}
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/* Exists but is not in the cache is not fine */
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pos = cache_name_pos(path, strlen(path));
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if (pos < 0)
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die("preparing to update existing file '%s' not in cache", path);
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ce = active_cache[pos];
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if (fstat(fd, &st) < 0)
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die("fstat(%s): %s", path, strerror(errno));
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changed = cache_match_stat(ce, &st);
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if (changed)
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die("preparing to update file '%s' not uptodate in cache", path);
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}
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int main(int argc, char **argv)
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{
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int i;
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read_cache();
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for (i = 1; i < argc ; i++)
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check_file(argv[i]);
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return 0;
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}
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