X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=checkout-cache.c;h=8d5e4cd148f6111ab7e0bfb7f9142693e08f66bd;hb=b70c8942d3fab4dff86461919a8c18eb3d020cea;hp=1b50da8f1a8107d81a005b025df971e8a497f940;hpb=f7391ce3bd306c5731bc8206f8a0fa0947ca9474;p=git.git diff --git a/checkout-cache.c b/checkout-cache.c index 1b50da8f..8d5e4cd1 100644 --- a/checkout-cache.c +++ b/checkout-cache.c @@ -36,43 +36,71 @@ static int force = 0, quiet = 0; +static void create_directories(const char *path) +{ + int len = strlen(path); + char *buf = malloc(len + 1); + const char *slash = path; + + while ((slash = strchr(slash+1, '/')) != NULL) { + len = slash - path; + memcpy(buf, path, len); + buf[len] = 0; + mkdir(buf, 0755); + } +} + +static int create_file(const char *path, unsigned int mode) +{ + int fd = open(path, O_WRONLY | O_TRUNC | O_CREAT, 0600); + if (fd < 0) { + if (errno == ENOENT) { + create_directories(path); + fd = open(path, O_WRONLY | O_TRUNC | O_CREAT, 0600); + } + } + if (fd >= 0) + fchmod(fd, mode); + return fd; +} + static int write_entry(struct cache_entry *ce) { int fd; void *new; unsigned long size; long wrote; + char type[20]; - new = read_sha1_file(ce->sha1, "blob", &size); - if (!new) { - fprintf(stderr, "checkout-cache: unable to read sha1 file of %s (%s)\n", + new = read_sha1_file(ce->sha1, type, &size); + if (!new || strcmp(type, "blob")) { + return error("checkout-cache: unable to read sha1 file of %s (%s)", ce->name, sha1_to_hex(ce->sha1)); - return -1; } - fd = open(ce->name, O_WRONLY | O_CREAT | O_TRUNC, 0600); + fd = create_file(ce->name, ntohl(ce->ce_mode)); if (fd < 0) { - fprintf(stderr, "checkout-cache: unable to create %s (%s)\n", - ce->name, strerror(errno)); free(new); - return -1; + return error("checkout-cache: unable to create %s (%s)", + ce->name, strerror(errno)); } wrote = write(fd, new, size); close(fd); free(new); - if (wrote == size) - return 0; - fprintf(stderr, "checkout-cache: unable to write %s\n", ce->name); - return -1; + if (wrote != size) + return error("checkout-cache: unable to write %s", ce->name); + return 0; } static int checkout_entry(struct cache_entry *ce) { - if (!force) { - struct stat st; + struct stat st; - if (!stat(ce->name, &st)) { - unsigned changed = cache_match_stat(ce, &st); - if (changed && !quiet) + if (!stat(ce->name, &st)) { + unsigned changed = cache_match_stat(ce, &st); + if (!changed) + return 0; + if (!force) { + if (!quiet) fprintf(stderr, "checkout-cache: %s already exists\n", ce->name); return 0; } @@ -108,8 +136,7 @@ int main(int argc, char **argv) int i, force_filename = 0; if (read_cache() < 0) { - fprintf(stderr, "Invalid cache\n"); - exit(1); + die("invalid cache"); } for (i = 1; i < argc; i++) {