fs_fsys: update directory permissions without comparing old

The database logic now tracks the state, and calls to update
permissions only if the ACL actually changed. Just update all
at one go if change is needed.

src/fs_fsys.c

@@ -64,20 +64,14 @@ static int fsys_dir_check(struct apk_fsdir *d, mode_t mode, uid_t uid, gid_t gid
 
 static int fsys_dir_update_perms(struct apk_fsdir *d, mode_t mode, uid_t uid, gid_t gid)
 {
-	struct stat st;
-	int fd = apk_ctx_fd_dest(d->ac), rc = 0;
+	int fd = apk_ctx_fd_dest(d->ac), rc = 0, r;
 	const char *dirname = apk_pathbuilder_cstr(&d->pb);
 
-	if (fstatat(fd, dirname, &st, AT_SYMLINK_NOFOLLOW) != 0) return -errno;
-	if ((st.st_mode & 07777) != (mode & 07777)) {
-		int r = do_fchmodat(fd, dirname, mode, 0, &d->ac->out);
-		if (r) rc = r;
-	}
+	r = do_fchmodat(fd, dirname, mode, 0, &d->ac->out);
+	if (r) rc = r;
 	if (d->extract_flags & APK_FSEXTRACTF_NO_CHOWN) return rc;
-	if (st.st_uid != uid || st.st_gid != gid) {
-		int r = do_fchownat(fd, dirname, uid, gid, 0, &d->ac->out);
-		if (r) rc = r;
-	}
+	r = do_fchownat(fd, dirname, uid, gid, 0, &d->ac->out);
+	if (r) rc = r;
 	return rc;
 }