thodg/libgit2/include/git2/apply.h

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• Hash : 38c34498
  Author :
  Date : 2021-10-03T00:12:52
  

  Make enum in includes C90 compliant by removing trailing comma.

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• include/git2/apply.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_apply_h__
  #define INCLUDE_git_apply_h__
  
  #include "common.h"
  #include "types.h"
  #include "oid.h"
  #include "diff.h"
  
  /**
   * @file git2/apply.h
   * @brief Git patch application routines
   * @defgroup git_apply Git patch application routines
   * @ingroup Git
   * @{
   */
  GIT_BEGIN_DECL
  
  /**
   * When applying a patch, callback that will be made per delta (file).
   *
   * When the callback:
   * - returns < 0, the apply process will be aborted.
   * - returns > 0, the delta will not be applied, but the apply process
   *      continues
   * - returns 0, the delta is applied, and the apply process continues.
   *
   * @param delta The delta to be applied
   * @param payload User-specified payload
   */
  typedef int GIT_CALLBACK(git_apply_delta_cb)(
  	const git_diff_delta *delta,
  	void *payload);
  
  /**
   * When applying a patch, callback that will be made per hunk.
   *
   * When the callback:
   * - returns < 0, the apply process will be aborted.
   * - returns > 0, the hunk will not be applied, but the apply process
   *      continues
   * - returns 0, the hunk is applied, and the apply process continues.
   *
   * @param hunk The hunk to be applied
   * @param payload User-specified payload
   */
  typedef int GIT_CALLBACK(git_apply_hunk_cb)(
  	const git_diff_hunk *hunk,
  	void *payload);
  
  /** Flags controlling the behavior of git_apply */
  typedef enum {
  	/**
  	 * Don't actually make changes, just test that the patch applies.
  	 * This is the equivalent of `git apply --check`.
  	 */
  	GIT_APPLY_CHECK = (1 << 0)
  } git_apply_flags_t;
  
  /**
   * Apply options structure
   *
   * Initialize with `GIT_APPLY_OPTIONS_INIT`. Alternatively, you can
   * use `git_apply_options_init`.
   *
   * @see git_apply_to_tree, git_apply
   */
  typedef struct {
  	unsigned int version; /**< The version */
  
  	/** When applying a patch, callback that will be made per delta (file). */
  	git_apply_delta_cb delta_cb;
  
  	/** When applying a patch, callback that will be made per hunk. */
  	git_apply_hunk_cb hunk_cb;
  
  	/** Payload passed to both delta_cb & hunk_cb. */
  	void *payload;
  
  	/** Bitmask of git_apply_flags_t */
  	unsigned int flags;
  } git_apply_options;
  
  #define GIT_APPLY_OPTIONS_VERSION 1
  #define GIT_APPLY_OPTIONS_INIT {GIT_APPLY_OPTIONS_VERSION}
  
  GIT_EXTERN(int) git_apply_options_init(git_apply_options *opts, unsigned int version);
  
  /**
   * Apply a `git_diff` to a `git_tree`, and return the resulting image
   * as an index.
   *
   * @param out the postimage of the application
   * @param repo the repository to apply
   * @param preimage the tree to apply the diff to
   * @param diff the diff to apply
   * @param options the options for the apply (or null for defaults)
   * @return 0 or an error code
   */
  GIT_EXTERN(int) git_apply_to_tree(
  	git_index **out,
  	git_repository *repo,
  	git_tree *preimage,
  	git_diff *diff,
  	const git_apply_options *options);
  
  /** Possible application locations for git_apply */
  typedef enum {
  	/**
  	 * Apply the patch to the workdir, leaving the index untouched.
  	 * This is the equivalent of `git apply` with no location argument.
  	 */
  	GIT_APPLY_LOCATION_WORKDIR = 0,
  
  	/**
  	 * Apply the patch to the index, leaving the working directory
  	 * untouched.  This is the equivalent of `git apply --cached`.
  	 */
  	GIT_APPLY_LOCATION_INDEX = 1,
  
  	/**
  	 * Apply the patch to both the working directory and the index.
  	 * This is the equivalent of `git apply --index`.
  	 */
  	GIT_APPLY_LOCATION_BOTH = 2
  } git_apply_location_t;
  
  /**
   * Apply a `git_diff` to the given repository, making changes directly
   * in the working directory, the index, or both.
   *
   * @param repo the repository to apply to
   * @param diff the diff to apply
   * @param location the location to apply (workdir, index or both)
   * @param options the options for the apply (or null for defaults)
   * @return 0 or an error code
   */
  GIT_EXTERN(int) git_apply(
  	git_repository *repo,
  	git_diff *diff,
  	git_apply_location_t location,
  	const git_apply_options *options);
  
  /** @} */
  GIT_END_DECL
  #endif
  

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