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1 | #ifndef WORKTREE_H | |
2 | #define WORKTREE_H | |
3 | ||
4 | #include "cache.h" | |
5 | #include "refs.h" | |
6 | ||
7 | struct strbuf; | |
8 | ||
9 | struct worktree { | |
10 | char *path; | |
11 | char *id; | |
12 | char *head_ref; /* NULL if HEAD is broken or detached */ | |
13 | char *lock_reason; /* private - use worktree_lock_reason */ | |
14 | struct object_id head_oid; | |
15 | int is_detached; | |
16 | int is_bare; | |
17 | int is_current; | |
18 | int lock_reason_valid; /* private */ | |
19 | }; | |
20 | ||
21 | /* | |
22 | * Get the worktrees. The primary worktree will always be the first returned, | |
23 | * and linked worktrees will follow in no particular order. | |
24 | * | |
25 | * The caller is responsible for freeing the memory from the returned | |
26 | * worktrees by calling free_worktrees(). | |
27 | */ | |
28 | struct worktree **get_worktrees(void); | |
29 | ||
30 | /* | |
31 | * Returns 1 if linked worktrees exist, 0 otherwise. | |
32 | */ | |
33 | int submodule_uses_worktrees(const char *path); | |
34 | ||
35 | /* | |
36 | * Return git dir of the worktree. Note that the path may be relative. | |
37 | * If wt is NULL, git dir of current worktree is returned. | |
38 | */ | |
39 | const char *get_worktree_git_dir(const struct worktree *wt); | |
40 | ||
41 | /* | |
42 | * Search for the worktree identified unambiguously by `arg` -- typically | |
43 | * supplied by the user via the command-line -- which may be a pathname or some | |
44 | * shorthand uniquely identifying a worktree, thus making it convenient for the | |
45 | * user to specify a worktree with minimal typing. For instance, if the last | |
46 | * component (say, "foo") of a worktree's pathname is unique among worktrees | |
47 | * (say, "work/foo" and "work/bar"), it can be used to identify the worktree | |
48 | * unambiguously. | |
49 | * | |
50 | * `prefix` should be the `prefix` handed to top-level Git commands along with | |
51 | * `argc` and `argv`. | |
52 | * | |
53 | * Return the worktree identified by `arg`, or NULL if not found. | |
54 | */ | |
55 | struct worktree *find_worktree(struct worktree **list, | |
56 | const char *prefix, | |
57 | const char *arg); | |
58 | ||
59 | /* | |
60 | * Return the worktree corresponding to `path`, or NULL if no such worktree | |
61 | * exists. | |
62 | */ | |
63 | struct worktree *find_worktree_by_path(struct worktree **, const char *path); | |
64 | ||
65 | /* | |
66 | * Return true if the given worktree is the main one. | |
67 | */ | |
68 | int is_main_worktree(const struct worktree *wt); | |
69 | ||
70 | /* | |
71 | * Return the reason string if the given worktree is locked or NULL | |
72 | * otherwise. | |
73 | */ | |
74 | const char *worktree_lock_reason(struct worktree *wt); | |
75 | ||
76 | #define WT_VALIDATE_WORKTREE_MISSING_OK (1 << 0) | |
77 | ||
78 | /* | |
79 | * Return zero if the worktree is in good condition. Error message is | |
80 | * returned if "errmsg" is not NULL. | |
81 | */ | |
82 | int validate_worktree(const struct worktree *wt, | |
83 | struct strbuf *errmsg, | |
84 | unsigned flags); | |
85 | ||
86 | /* | |
87 | * Update worktrees/xxx/gitdir with the new path. | |
88 | */ | |
89 | void update_worktree_location(struct worktree *wt, | |
90 | const char *path_); | |
91 | ||
92 | typedef void (* worktree_repair_fn)(int iserr, const char *path, | |
93 | const char *msg, void *cb_data); | |
94 | ||
95 | /* | |
96 | * Visit each registered linked worktree and repair corruptions. For each | |
97 | * repair made or error encountered while attempting a repair, the callback | |
98 | * function, if non-NULL, is called with the path of the worktree and a | |
99 | * description of the repair or error, along with the callback user-data. | |
100 | */ | |
101 | void repair_worktrees(worktree_repair_fn, void *cb_data); | |
102 | ||
103 | /* | |
104 | * Repair administrative files corresponding to the worktree at the given path. | |
105 | * The worktree's .git file pointing at the repository must be intact for the | |
106 | * repair to succeed. Useful for re-associating an orphaned worktree with the | |
107 | * repository if the worktree has been moved manually (without using "git | |
108 | * worktree move"). For each repair made or error encountered while attempting | |
109 | * a repair, the callback function, if non-NULL, is called with the path of the | |
110 | * worktree and a description of the repair or error, along with the callback | |
111 | * user-data. | |
112 | */ | |
113 | void repair_worktree_at_path(const char *, worktree_repair_fn, void *cb_data); | |
114 | ||
115 | /* | |
116 | * Free up the memory for worktree(s) | |
117 | */ | |
118 | void free_worktrees(struct worktree **); | |
119 | ||
120 | /* | |
121 | * Check if a per-worktree symref points to a ref in the main worktree | |
122 | * or any linked worktree, and return the worktree that holds the ref, | |
123 | * or NULL otherwise. The result may be destroyed by the next call. | |
124 | */ | |
125 | const struct worktree *find_shared_symref(const char *symref, | |
126 | const char *target); | |
127 | ||
128 | /* | |
129 | * Similar to head_ref() for all HEADs _except_ one from the current | |
130 | * worktree, which is covered by head_ref(). | |
131 | */ | |
132 | int other_head_refs(each_ref_fn fn, void *cb_data); | |
133 | ||
134 | int is_worktree_being_rebased(const struct worktree *wt, const char *target); | |
135 | int is_worktree_being_bisected(const struct worktree *wt, const char *target); | |
136 | ||
137 | /* | |
138 | * Similar to git_path() but can produce paths for a specified | |
139 | * worktree instead of current one | |
140 | */ | |
141 | const char *worktree_git_path(const struct worktree *wt, | |
142 | const char *fmt, ...) | |
143 | __attribute__((format (printf, 2, 3))); | |
144 | ||
145 | /* | |
146 | * Parse a worktree ref (i.e. with prefix main-worktree/ or | |
147 | * worktrees/) and return the position of the worktree's name and | |
148 | * length (or NULL and zero if it's main worktree), and ref. | |
149 | * | |
150 | * All name, name_length and ref arguments could be NULL. | |
151 | */ | |
152 | int parse_worktree_ref(const char *worktree_ref, const char **name, | |
153 | int *name_length, const char **ref); | |
154 | ||
155 | /* | |
156 | * Return a refname suitable for access from the current ref store. | |
157 | */ | |
158 | void strbuf_worktree_ref(const struct worktree *wt, | |
159 | struct strbuf *sb, | |
160 | const char *refname); | |
161 | ||
162 | #endif |