X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;ds=sidebyside;f=checkout-cache.c;h=244ebd122601883e15e8aefea33c7daf8249d862;hb=f4f21ce367a5119be1c4396d01271ece6e40ff70;hp=d1661eb5f800a4db2e8934e87b710b94662a261a;hpb=32718b6c5e8dfe3ca39731b962ec6ada40407af4;p=git.git diff --git a/checkout-cache.c b/checkout-cache.c index d1661eb5..244ebd12 100644 --- a/checkout-cache.c +++ b/checkout-cache.c @@ -39,7 +39,7 @@ static int force = 0, quiet = 0, not_new = 0; static void create_directories(const char *path) { int len = strlen(path); - char *buf = malloc(len + 1); + char *buf = xmalloc(len + 1); const char *slash = path; while ((slash = strchr(slash+1, '/')) != NULL) { @@ -72,23 +72,42 @@ static int write_entry(struct cache_entry *ce, const char *path) unsigned long size; long wrote; char type[20]; + char target[1024]; 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)", path, sha1_to_hex(ce->sha1)); } - fd = create_file(path, ntohl(ce->ce_mode)); - if (fd < 0) { + switch (ntohl(ce->ce_mode) & S_IFMT) { + case S_IFREG: + fd = create_file(path, ntohl(ce->ce_mode)); + if (fd < 0) { + free(new); + return error("checkout-cache: unable to create file %s (%s)", + path, strerror(errno)); + } + wrote = write(fd, new, size); + close(fd); + free(new); + if (wrote != size) + return error("checkout-cache: unable to write file %s", path); + break; + case S_IFLNK: + memcpy(target, new, size); + target[size] = '\0'; + create_directories(path); + if (symlink(target, path)) { + free(new); + return error("checkout-cache: unable to create symlink %s (%s)", + path, strerror(errno)); + } + free(new); + break; + default: free(new); - return error("checkout-cache: unable to create %s (%s)", - path, strerror(errno)); + return error("checkout-cache: unknown file mode for %s", path); } - wrote = write(fd, new, size); - close(fd); - free(new); - if (wrote != size) - return error("checkout-cache: unable to write %s", path); return 0; } @@ -101,7 +120,7 @@ static int checkout_entry(struct cache_entry *ce, const char *base_dir) memcpy(path, base_dir, len); strcpy(path + len, ce->name); - if (!stat(path, &st)) { + if (!lstat(path, &st)) { unsigned changed = cache_match_stat(ce, &st); if (!changed) return 0;