worktree.h

   1 #ifndef WORKTREE_H
   2 #define WORKTREE_H
   3
   4 #include "refs.h"
   5
   6 struct worktree {
   7         char *path;
   8         char *id;
   9         char *head_ref;         /* NULL if HEAD is broken or detached */
  10         char *lock_reason;      /* internal use */
  11         unsigned char head_sha1[20];
  12         int is_detached;
  13         int is_bare;
  14         int is_current;
  15         int lock_reason_valid;
  16 };
  17
  18 /* Functions for acting on the information about worktrees. */
  19
  20 #define GWT_SORT_LINKED (1 << 0) /* keeps linked worktrees sorted */
  21
  22 /*
  23  * Get the worktrees.  The primary worktree will always be the first returned,
  24  * and linked worktrees will be pointed to by 'next' in each subsequent
  25  * worktree.  No specific ordering is done on the linked worktrees.
  26  *
  27  * The caller is responsible for freeing the memory from the returned
  28  * worktree(s).
  29  */
  30 extern struct worktree **get_worktrees(unsigned flags);
  31
  32 /*
  33  * Returns 1 if linked worktrees exist, 0 otherwise.
  34  */
  35 extern int submodule_uses_worktrees(const char *path);
  36
  37 /*
  38  * Return git dir of the worktree. Note that the path may be relative.
  39  * If wt is NULL, git dir of current worktree is returned.
  40  */
  41 extern const char *get_worktree_git_dir(const struct worktree *wt);
  42
  43 /*
  44  * Search a worktree that can be unambiguously identified by
  45  * "arg". "prefix" must not be NULL.
  46  */
  47 extern struct worktree *find_worktree(struct worktree **list,
  48                                       const char *prefix,
  49                                       const char *arg);
  50
  51 /*
  52  * Return true if the given worktree is the main one.
  53  */
  54 extern int is_main_worktree(const struct worktree *wt);
  55
  56 /*
  57  * Return the reason string if the given worktree is locked or NULL
  58  * otherwise.
  59  */
  60 extern const char *is_worktree_locked(struct worktree *wt);
  61
  62 /*
  63  * Free up the memory for worktree(s)
  64  */
  65 extern void free_worktrees(struct worktree **);
  66
  67 /*
  68  * Check if a per-worktree symref points to a ref in the main worktree
  69  * or any linked worktree, and return the worktree that holds the ref,
  70  * or NULL otherwise. The result may be destroyed by the next call.
  71  */
  72 extern const struct worktree *find_shared_symref(const char *symref,
  73                                                  const char *target);
  74
  75 /*
  76  * Similar to head_ref() for all HEADs _except_ one from the current
  77  * worktree, which is covered by head_ref().
  78  */
  79 int other_head_refs(each_ref_fn fn, void *cb_data);
  80
  81 int is_worktree_being_rebased(const struct worktree *wt, const char *target);
  82 int is_worktree_being_bisected(const struct worktree *wt, const char *target);
  83
  84 /*
  85  * Similar to git_path() but can produce paths for a specified
  86  * worktree instead of current one
  87  */
  88 extern const char *worktree_git_path(const struct worktree *wt,
  89                                      const char *fmt, ...)
  90         __attribute__((format (printf, 2, 3)));
  91
  92 #endif