thodg/libgit2/include/git2/push.h

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• Hash : 5b188225
  Author :
  Date : 2013-10-02T13:45:32
  

  Support cancellation in push operation This commit adds cancellation for the push operation. This work consists of: 1) Support cancellation during push operation - During object counting phase - During network transfer phase - Propagate GIT_EUSER error code out to caller 2) Improve cancellation support during fetch - Handle cancellation request during network transfer phase - Clear error string when cancelled during indexing 3) Fix error handling in git_smart__download_pack Cancellation during push is still only handled in the pack building and network transfer stages of push (and not during packbuilding).

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• include/git2/push.h

• /*
   * Copyright (C) the libgit2 contributors. All rights reserved.
   *
   * This file is part of libgit2, distributed under the GNU GPL v2 with
   * a Linking Exception. For full terms see the included COPYING file.
   */
  #ifndef INCLUDE_git_push_h__
  #define INCLUDE_git_push_h__
  
  #include "common.h"
  #include "pack.h"
  
  /**
   * @file git2/push.h
   * @brief Git push management functions
   * @defgroup git_push push management functions
   * @ingroup Git
   * @{
   */
  GIT_BEGIN_DECL
  
  /**
   * Controls the behavior of a git_push object.
   */
  typedef struct {
  	unsigned int version;
  
  	/**
  	 * If the transport being used to push to the remote requires the creation
  	 * of a pack file, this controls the number of worker threads used by
  	 * the packbuilder when creating that pack file to be sent to the remote.
  	 *
  	 * If set to 0, the packbuilder will auto-detect the number of threads
  	 * to create. The default value is 1.
  	 */
  	unsigned int pb_parallelism;
  } git_push_options;
  
  #define GIT_PUSH_OPTIONS_VERSION 1
  #define GIT_PUSH_OPTIONS_INIT { GIT_PUSH_OPTIONS_VERSION }
  
  /** Push network progress notification function */
  typedef int (*git_push_transfer_progress)(
  	unsigned int current,
  	unsigned int total,
  	size_t bytes,
  	void* payload);
  
  /**
   * Create a new push object
   *
   * @param out New push object
   * @param remote Remote instance
   *
   * @return 0 or an error code
   */
  GIT_EXTERN(int) git_push_new(git_push **out, git_remote *remote);
  
  /**
   * Set options on a push object
   *
   * @param push The push object
   * @param opts The options to set on the push object
   *
   * @return 0 or an error code
   */
  GIT_EXTERN(int) git_push_set_options(
  	git_push *push,
  	const git_push_options *opts);
  
  /**
   * Set the callbacks for a push
   *
   * @param push The push object
   * @param pack_progress_cb Function to call with progress information during
   * pack building. Be aware that this is called inline with pack building
   * operations, so performance may be affected.
   * @param pack_progress_cb_payload Payload for the pack progress callback.
   * @param transfer_progress_cb Function to call with progress information during
   * the upload portion of a push. Be aware that this is called inline with
   * pack building operations, so performance may be affected.
   * @param transfer_progress_cb_payload Payload for the network progress callback.
   * @return 0 or an error code
   */
  GIT_EXTERN(int) git_push_set_callbacks(
  	git_push *push,
  	git_packbuilder_progress pack_progress_cb,
  	void *pack_progress_cb_payload,
  	git_push_transfer_progress transfer_progress_cb,
  	void *transfer_progress_cb_payload);
  
  /**
   * Add a refspec to be pushed
   *
   * @param push The push object
   * @param refspec Refspec string
   *
   * @return 0 or an error code
   */
  GIT_EXTERN(int) git_push_add_refspec(git_push *push, const char *refspec);
  
  /**
   * Update remote tips after a push
   *
   * @param push The push object
   *
   * @return 0 or an error code
   */
  GIT_EXTERN(int) git_push_update_tips(git_push *push);
  
  /**
   * Actually push all given refspecs
   *
   * Note: To check if the push was successful (i.e. all remote references
   * have been updated as requested), you need to call both
   * `git_push_unpack_ok` and `git_push_status_foreach`. The remote
   * repository might have refused to update some or all of the references.
   *
   * @param push The push object
   *
   * @return 0 or an error code
   */
  GIT_EXTERN(int) git_push_finish(git_push *push);
  
  /**
   * Check if remote side successfully unpacked
   *
   * @param push The push object
   *
   * @return true if remote side successfully unpacked, false otherwise
   */
  GIT_EXTERN(int) git_push_unpack_ok(git_push *push);
  
  /**
   * Call callback `cb' on each status
   *
   * For each of the updated references, we receive a status report in the
   * form of `ok refs/heads/master` or `ng refs/heads/master <msg>`.
   * `msg != NULL` means the reference has not been updated for the given
   * reason.
   *
   * @param push The push object
   * @param cb The callback to call on each object
   *
   * @return 0 on success, GIT_EUSER on non-zero callback, or error code
   */
  GIT_EXTERN(int) git_push_status_foreach(git_push *push,
  			int (*cb)(const char *ref, const char *msg, void *data),
  			void *data);
  
  /**
   * Free the given push object
   *
   * @param push The push object
   */
  GIT_EXTERN(void) git_push_free(git_push *push);
  
  /** @} */
  GIT_END_DECL
  #endif
  

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