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#ifndef WORKTREE_H
#define WORKTREE_H
 
struct worktree {
	char *path;
	char *id;
	char *head_ref;
	unsigned char head_sha1[20];
	int is_detached;
	int is_bare;
};
 
/* Functions for acting on the information about worktrees. */
 
/*
 * 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).
 */
extern struct worktree **get_worktrees(void);
 
/*
 * Return git dir of the worktree. Note that the path may be relative.
 * If wt is NULL, git dir of current worktree is returned.
 */
extern const char *get_worktree_git_dir(const struct worktree *wt);
 
/*
 * Free up the memory for worktree(s)
 */
extern 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 path to the exising worktree
 * if it is.  Returns NULL if there is no existing ref.  The caller is
 * responsible for freeing the returned path.
 */
extern char *find_shared_symref(const char *symref, const char *target);
 
#endif