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authorLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-12 00:23:14 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-12 00:23:14 -0700
commit74b46e32cb3907a4a062a0f11de5773054b7c71a (patch)
tree8294109a769dc1f2ae9c4c622c2cf3f82531d80a /check-files.c
parent8695c8bfe181677ca112502c1eef67930d84a75d (diff)
downloadgit-74b46e32cb3907a4a062a0f11de5773054b7c71a.tar.gz
Add a "check-files" command, which is useful for scripting
patches. In particular, it verifies that all the listed files are up-to-date in the cache (or don't exist and are ready to be added).
Diffstat (limited to 'check-files.c')
-rw-r--r--check-files.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/check-files.c b/check-files.c
new file mode 100644
index 0000000000..c74bf87d2b
--- /dev/null
+++ b/check-files.c
@@ -0,0 +1,47 @@
+/*
+ * 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)
+ usage("%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)
+ usage("preparing to update existing file '%s' not in cache", path);
+ ce = active_cache[pos];
+
+ if (fstat(fd, &st) < 0)
+ usage("fstat(%s): %s", path, strerror(errno));
+
+ changed = cache_match_stat(ce, &st);
+ if (changed)
+ usage("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;
+}