thodg/libgit2/src/libgit2/tree.h

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• Hash : ab042161
  Author :
  Date : 2022-01-18T08:12:18
  

  tree: move git_oid into tree entry A tree entry previously pointed directly into the object id within the tree object itself; this is useful to avoid any unnecessary memory copy (and an unnecessary use of 40 bytes per tree entry) but difficult if we change the underlying `git_oid` object to not simply be a raw object id but have additional structure. This commit moves the `git_oid` directly into the tree entry; this simplifies the tree entry creation from user data. We now copy the `git_oid` into place when parsing.

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• src/libgit2/tree.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_tree_h__
  #define INCLUDE_tree_h__
  
  #include "common.h"
  
  #include "git2/tree.h"
  #include "repository.h"
  #include "odb.h"
  #include "vector.h"
  #include "strmap.h"
  #include "pool.h"
  
  struct git_tree_entry {
  	uint16_t attr;
  	uint16_t filename_len;
  	git_oid oid;
  	const char *filename;
  };
  
  struct git_tree {
  	git_object object;
  	git_odb_object *odb_obj;
  	git_array_t(git_tree_entry) entries;
  };
  
  struct git_treebuilder {
  	git_repository *repo;
  	git_strmap *map;
  	git_str write_cache;
  };
  
  GIT_INLINE(bool) git_tree_entry__is_tree(const struct git_tree_entry *e)
  {
  	return (S_ISDIR(e->attr) && !S_ISGITLINK(e->attr));
  }
  
  void git_tree__free(void *tree);
  int git_tree__parse(void *tree, git_odb_object *obj);
  int git_tree__parse_raw(void *_tree, const char *data, size_t size);
  
  /**
   * Write a tree to the given repository
   */
  int git_tree__write_index(
  	git_oid *oid, git_index *index, git_repository *repo);
  
  /**
   * Obsolete mode kept for compatibility reasons
   */
  #define GIT_FILEMODE_BLOB_GROUP_WRITABLE 0100664
  
  #endif
  

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