X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=update-cache.c;h=4353b80890ba2afbe22248a4dc25060aa4a429b2;hb=90ffd0952f61717d93858b154d2505d0ba051b14;hp=68d2f95c1cfc90cc6d39bb4ec2f25f4ebd944d69;hpb=1bc992acacf5961e65d9fdddeb8561284e708c74;p=git.git diff --git a/update-cache.c b/update-cache.c index 68d2f95c..4353b808 100644 --- a/update-cache.c +++ b/update-cache.c @@ -21,6 +21,7 @@ static int index_fd(unsigned char *sha1, int fd, struct stat *st) int max_out_bytes = size + 200; void *out = malloc(max_out_bytes); void *metadata = malloc(200); + int metadata_size; void *in; SHA_CTX c; @@ -31,6 +32,13 @@ static int index_fd(unsigned char *sha1, int fd, struct stat *st) if (!out || (int)(long)in == -1) return -1; + metadata_size = 1+sprintf(metadata, "blob %lu", size); + + SHA1_Init(&c); + SHA1_Update(&c, metadata, metadata_size); + SHA1_Update(&c, in, size); + SHA1_Final(sha1, &c); + memset(&stream, 0, sizeof(stream)); deflateInit(&stream, Z_BEST_COMPRESSION); @@ -38,7 +46,7 @@ static int index_fd(unsigned char *sha1, int fd, struct stat *st) * ASCII size + nul byte */ stream.next_in = metadata; - stream.avail_in = 1+sprintf(metadata, "blob %lu", size); + stream.avail_in = metadata_size; stream.next_out = out; stream.avail_out = max_out_bytes; while (deflate(&stream, 0) == Z_OK) @@ -54,10 +62,6 @@ static int index_fd(unsigned char *sha1, int fd, struct stat *st) deflateEnd(&stream); - SHA1_Init(&c); - SHA1_Update(&c, out, stream.total_out); - SHA1_Final(sha1, &c); - return write_sha1_buffer(sha1, out, stream.total_out); } @@ -270,25 +274,29 @@ static int add_cacheinfo(char *arg1, char *arg2, char *arg3) return add_cache_entry(ce, allow_add); } -static int remove_lock = 0; +static const char *lockfile_name = NULL; static void remove_lock_file(void) { - if (remove_lock) - unlink(".git/index.lock"); + if (lockfile_name) + unlink(lockfile_name); } int main(int argc, char **argv) { int i, newfd, entries; int allow_options = 1; + static char lockfile[MAXPATHLEN+1]; + const char *indexfile = get_index_file(); + + snprintf(lockfile, sizeof(lockfile), "%s.lock", indexfile); - newfd = open(".git/index.lock", O_RDWR | O_CREAT | O_EXCL, 0600); + newfd = open(lockfile, O_RDWR | O_CREAT | O_EXCL, 0600); if (newfd < 0) die("unable to create new cachefile"); atexit(remove_lock_file); - remove_lock = 1; + lockfile_name = lockfile; entries = read_cache(); if (entries < 0) @@ -329,10 +337,9 @@ int main(int argc, char **argv) if (add_file_to_cache(path)) die("Unable to add %s to database", path); } - if (write_cache(newfd, active_cache, active_nr) || - rename(".git/index.lock", ".git/index")) + if (write_cache(newfd, active_cache, active_nr) || rename(lockfile, indexfile)) die("Unable to write new cachefile"); - remove_lock = 0; + lockfile_name = NULL; return 0; }