summaryrefslogtreecommitdiff
path: root/worktree.h
blob: caecc7a281cc6778447a5c70bc7a756306bbbd3b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
#ifndef WORKTREE_H
#define WORKTREE_H

#include "cache.h"
#include "refs.h"

struct strbuf;

struct worktree {
	char *path;
	char *id;
	char *head_ref;		/* NULL if HEAD is broken or detached */
	char *lock_reason;	/* private - use worktree_lock_reason */
	struct object_id head_oid;
	int is_detached;
	int is_bare;
	int is_current;
	int lock_reason_valid; /* private */
};

/* Functions for acting on the information about worktrees. */

#define GWT_SORT_LINKED (1 << 0) /* keeps linked worktrees sorted */

/*
 * Get the worktrees.  The primary worktree will always be the first returned,
 * and linked worktrees will be pointed to by 'next' in each subsequent
 * worktree.  No specific ordering is done on the linked worktrees.
 *
 * The caller is responsible for freeing the memory from the returned
 * worktree(s).
 */
struct worktree **get_worktrees(unsigned flags);

/*
 * Returns 1 if linked worktrees exist, 0 otherwise.
 */
int submodule_uses_worktrees(const char *path);

/*
 * Return git dir of the worktree. Note that the path may be relative.
 * If wt is NULL, git dir of current worktree is returned.
 */
const char *get_worktree_git_dir(const struct worktree *wt);

/*
 * Search a worktree that can be unambiguously identified by
 * "arg". "prefix" must not be NULL.
 */
struct worktree *find_worktree(struct worktree **list,
			       const char *prefix,
			       const char *arg);

/*
 * Return true if the given worktree is the main one.
 */
int is_main_worktree(const struct worktree *wt);

/*
 * Return the reason string if the given worktree is locked or NULL
 * otherwise.
 */
const char *worktree_lock_reason(struct worktree *wt);

#define WT_VALIDATE_WORKTREE_MISSING_OK (1 << 0)

/*
 * Return zero if the worktree is in good condition. Error message is
 * returned if "errmsg" is not NULL.
 */
int validate_worktree(const struct worktree *wt,
		      struct strbuf *errmsg,
		      unsigned flags);

/*
 * Update worktrees/xxx/gitdir with the new path.
 */
void update_worktree_location(struct worktree *wt,
			      const char *path_);

/*
 * Free up the memory for worktree(s)
 */
void free_worktrees(struct worktree **);

/*
 * Check if a per-worktree symref points to a ref in the main worktree
 * or any linked worktree, and return the worktree that holds the ref,
 * or NULL otherwise. The result may be destroyed by the next call.
 */
const struct worktree *find_shared_symref(const char *symref,
					  const char *target);

/*
 * Similar to head_ref() for all HEADs _except_ one from the current
 * worktree, which is covered by head_ref().
 */
int other_head_refs(each_ref_fn fn, void *cb_data);

int is_worktree_being_rebased(const struct worktree *wt, const char *target);
int is_worktree_being_bisected(const struct worktree *wt, const char *target);

/*
 * Similar to git_path() but can produce paths for a specified
 * worktree instead of current one
 */
const char *worktree_git_path(const struct worktree *wt,
			      const char *fmt, ...)
	__attribute__((format (printf, 2, 3)));

/*
 * Parse a worktree ref (i.e. with prefix main-worktree/ or
 * worktrees/) and return the position of the worktree's name and
 * length (or NULL and zero if it's main worktree), and ref.
 *
 * All name, name_length and ref arguments could be NULL.
 */
int parse_worktree_ref(const char *worktree_ref, const char **name,
		       int *name_length, const char **ref);

/*
 * Return a refname suitable for access from the current ref store.
 */
void strbuf_worktree_ref(const struct worktree *wt,
			 struct strbuf *sb,
			 const char *refname);

/*
 * Return a refname suitable for access from the current ref
 * store. The result will be destroyed at the next call.
 */
const char *worktree_ref(const struct worktree *wt,
			 const char *refname);

#endif