worktree.hon commit Add t/helper/test-write-cache to .gitignore (2014442)
   1#ifndef WORKTREE_H
   2#define WORKTREE_H
   3
   4struct worktree {
   5        char *path;
   6        char *id;
   7        char *head_ref;         /* NULL if HEAD is broken or detached */
   8        char *lock_reason;      /* internal use */
   9        unsigned char head_sha1[20];
  10        int is_detached;
  11        int is_bare;
  12        int is_current;
  13        int lock_reason_valid;
  14};
  15
  16/* Functions for acting on the information about worktrees. */
  17
  18#define GWT_SORT_LINKED (1 << 0) /* keeps linked worktrees sorted */
  19
  20/*
  21 * Get the worktrees.  The primary worktree will always be the first returned,
  22 * and linked worktrees will be pointed to by 'next' in each subsequent
  23 * worktree.  No specific ordering is done on the linked worktrees.
  24 *
  25 * The caller is responsible for freeing the memory from the returned
  26 * worktree(s).
  27 */
  28extern struct worktree **get_worktrees(unsigned flags);
  29
  30/*
  31 * Returns 1 if linked worktrees exist, 0 otherwise.
  32 */
  33extern 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 */
  39extern const char *get_worktree_git_dir(const struct worktree *wt);
  40
  41/*
  42 * Search a worktree that can be unambiguously identified by
  43 * "arg". "prefix" must not be NULL.
  44 */
  45extern struct worktree *find_worktree(struct worktree **list,
  46                                      const char *prefix,
  47                                      const char *arg);
  48
  49/*
  50 * Return true if the given worktree is the main one.
  51 */
  52extern int is_main_worktree(const struct worktree *wt);
  53
  54/*
  55 * Return the reason string if the given worktree is locked or NULL
  56 * otherwise.
  57 */
  58extern const char *is_worktree_locked(struct worktree *wt);
  59
  60/*
  61 * Free up the memory for worktree(s)
  62 */
  63extern void free_worktrees(struct worktree **);
  64
  65/*
  66 * Check if a per-worktree symref points to a ref in the main worktree
  67 * or any linked worktree, and return the worktree that holds the ref,
  68 * or NULL otherwise. The result may be destroyed by the next call.
  69 */
  70extern const struct worktree *find_shared_symref(const char *symref,
  71                                                 const char *target);
  72
  73int is_worktree_being_rebased(const struct worktree *wt, const char *target);
  74int is_worktree_being_bisected(const struct worktree *wt, const char *target);
  75
  76/*
  77 * Similar to git_path() but can produce paths for a specified
  78 * worktree instead of current one
  79 */
  80extern const char *worktree_git_path(const struct worktree *wt,
  81                                     const char *fmt, ...)
  82        __attribute__((format (printf, 2, 3)));
  83
  84#endif