1 /*
2  * Copyright (c) 2018 Stefan Sperling <stsp@openbsd.org>
3  *
4  * Permission to use, copy, modify, and distribute this software for any
5  * purpose with or without fee is hereby granted, provided that the above
6  * copyright notice and this permission notice appear in all copies.
7  *
8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15  */
16 
17 struct got_worktree {
18 	char *path_worktree_root;
19 	char *path_repo;
20 	char *path_prefix;
21 
22 	/*
23 	 * This file descriptor exclusively locks GOT_WORKTREE_FILE_INDEX.
24 	 * This ensures that only one process opens the work tree at a time.
25 	 */
26 	int fd_fileindex;
27 };
28 
29 #define GOT_WORKTREE_GOT_DIR		".got"
30 #define GOT_WORKTREE_FILE_INDEX		"fileindex"
31 #define GOT_WORKTREE_REPOSITORY		"repository"
32 #define GOT_WORKTREE_PATH_PREFIX	"path-prefix"
33 #define GOT_WORKTREE_FORMAT		"format"
34 
35 #define GOT_WORKTREE_FORMAT_VERSION	1