diff options
| -rw-r--r-- | Makefile | 6 | ||||
| -rw-r--r-- | check-files.c | 47 |
2 files changed, 52 insertions, 1 deletions
@@ -2,7 +2,8 @@ CFLAGS=-g -O3 -Wall CC=gcc PROG= update-cache show-diff init-db write-tree read-tree commit-tree \ - cat-file fsck-cache checkout-cache diff-tree rev-tree show-files + cat-file fsck-cache checkout-cache diff-tree rev-tree show-files \ + check-files all: $(PROG) @@ -46,6 +47,9 @@ rev-tree: rev-tree.o read-cache.o show-files: show-files.o read-cache.o $(CC) $(CFLAGS) -o show-files show-files.o read-cache.o $(LIBS) +check-files: check-files.o read-cache.o + $(CC) $(CFLAGS) -o check-files check-files.o read-cache.o $(LIBS) + read-cache.o: cache.h show-diff.o: cache.h 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; +} |