thodg/got/include/got_worktree.h

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• Hash : d00136be
  Author :
  Date : 2019-03-26T09:03:53
  

  implement a basic 'got add' command

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• include/got_worktree.h

• /*
   * Copyright (c) 2018, 2019 Stefan Sperling <stsp@openbsd.org>
   *
   * Permission to use, copy, modify, and distribute this software for any
   * purpose with or without fee is hereby granted, provided that the above
   * copyright notice and this permission notice appear in all copies.
   *
   * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   */
  
  struct got_worktree;
  
  /* status codes */
  #define GOT_STATUS_NO_CHANGE	' '
  #define GOT_STATUS_ADD		'A'
  #define GOT_STATUS_EXISTS	'E'
  #define GOT_STATUS_UPDATE	'U'
  #define GOT_STATUS_DELETE	'D'
  #define GOT_STATUS_MODIFY	'M'
  #define GOT_STATUS_CONFLICT	'C'
  #define GOT_STATUS_MERGE	'G'
  #define GOT_STATUS_MISSING	'!'
  #define GOT_STATUS_UNVERSIONED	'?'
  #define GOT_STATUS_OBSTRUCTED	'~'
  
  /*
   * Attempt to initialize a new work tree on disk.
   * The first argument is the path to a directory where the work tree
   * will be created. The path itself must not yet exist, but the dirname(3)
   * of the path must already exist.
   * The reference provided will be used to determine the new worktree's
   * base commit. The third argument speficies the work tree's path prefix.
   */
  const struct got_error *got_worktree_init(const char *, struct got_reference *,
      const char *, struct got_repository *);
  
  /*
   * Attempt to open a worktree at or above the specified path.
   * The caller must dispose of it with got_worktree_close().
   */
  const struct got_error *got_worktree_open(struct got_worktree **, const char *);
  
  /* Dispose of an open work tree. */
  const struct got_error *got_worktree_close(struct got_worktree *);
  
  /*
   * Get the path to the root directory of a worktree.
   */
  const char *got_worktree_get_root_path(struct got_worktree *);
  
  /*
   * Get the path to the repository associated with a worktree.
   */
  const char *got_worktree_get_repo_path(struct got_worktree *);
  
  /*
   * Get the path prefix associated with a worktree.
   */
  const char *got_worktree_get_path_prefix(struct got_worktree *);
  
  /*
   * Check if a user-provided path prefix matches that of the worktree.
   */
  const struct got_error *got_worktree_match_path_prefix(int *,
      struct got_worktree *, const char *);
  
  /*
   * Get the name of a work tree's HEAD reference.
   * The caller must dispose of it with free(3).
   */
  char *got_worktree_get_head_ref_name(struct got_worktree *);
  
  /*
   * Get the work tree's HEAD reference.
   * The caller must dispose of it with free(3).
   */
  struct got_reference *got_worktree_get_head_ref(struct got_worktree *);
  
  /*
   * Get the current base commit ID of a worktree.
   */
  struct got_object_id *got_worktree_get_base_commit_id(struct got_worktree *);
  
  /*
   * Set the base commit Id of a worktree.
   */
  const struct got_error *got_worktree_set_base_commit_id(struct got_worktree *,
      struct got_repository *, struct got_object_id *);
  
  /* A callback function which is invoked when a path is checked out. */
  typedef void (*got_worktree_checkout_cb)(void *, unsigned char, const char *);
  
  /* A callback function which is invoked at cancellation points.
   * May return GOT_ERR_CANCELLED to abort the runing operation. */
  typedef const struct got_error *(*got_worktree_cancel_cb)(void *);
  
  /*
   * Attempt to check out files into a work tree from its associated repository
   * and path prefix, and update the work tree's file index accordingly.
   * File content is obtained from blobs within the work tree's path prefix
   * inside the tree corresponding to the work tree's base commit.
   * The checkout progress callback will be invoked with the provided
   * void * argument, and the path of each checked out file.
   */
  const struct got_error *got_worktree_checkout_files(struct got_worktree *,
      struct got_repository *, got_worktree_checkout_cb progress, void *,
      got_worktree_cancel_cb, void *);
  
  /* A callback function which is invoked to report a path's status. */
  typedef const struct got_error *(*got_worktree_status_cb)(void *,
      unsigned char, const char *, struct got_object_id *);
  
  /*
   * Report the status of paths in the work tree.
   * The status callback will be invoked with the provided void * argument,
   * a path, and a corresponding status code.
   */
  const struct got_error *got_worktree_status(struct got_worktree *,
      const char *, struct got_repository *, got_worktree_status_cb, void *,
      got_worktree_cancel_cb cancel_cb, void *);
  
  /*
   * Try to resolve a user-provided path to an on-disk path in the work tree.
   * The caller must dispose of the resolved path with free(3).
   */
  const struct got_error *got_worktree_resolve_path(char **,
      struct got_worktree *, const char *);
  
  /*
   * Schedule a file at an on-disk path for addition in the next commit.
   * Return the added file's path relative to the root of the work tree.
   * The caller must dispose of this relative path with free(3).
   */
  const struct got_error *got_worktree_schedule_add(char **,
      struct got_worktree *, const char *);
  

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