thodg/libgit2/src/annotated_commit.c

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• Hash : 62dd4d71
  Author :
  Date : 2015-03-07T00:06:02
  

  annotated_commit: provide a constructor from a revspec This extra constructor will be useful for the annotated versions of ref-modifying functions, as it allows us to create a commit with the extended sha syntax which was used to retrieve it.

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• src/annotated_commit.c

• /*
   * 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.
   */
  
  #include "common.h"
  #include "annotated_commit.h"
  
  #include "git2/commit.h"
  #include "git2/refs.h"
  #include "git2/repository.h"
  #include "git2/annotated_commit.h"
  #include "git2/revparse.h"
  
  static int annotated_commit_init(
  	git_annotated_commit **out,
  	git_repository *repo,
  	const git_oid *id,
  	const char *ref_name,
  	const char *remote_url)
  {
  	git_annotated_commit *annotated_commit;
  	int error = 0;
  
  	assert(out && id);
  
  	*out = NULL;
  
  	annotated_commit = git__calloc(1, sizeof(git_annotated_commit));
  	GITERR_CHECK_ALLOC(annotated_commit);
  
  	if (ref_name) {
  		annotated_commit->ref_name = git__strdup(ref_name);
  		GITERR_CHECK_ALLOC(annotated_commit->ref_name);
  	}
  
  	if (remote_url) {
  		annotated_commit->remote_url = git__strdup(remote_url);
  		GITERR_CHECK_ALLOC(annotated_commit->remote_url);
  	}
  
  	git_oid_fmt(annotated_commit->id_str, id);
  	annotated_commit->id_str[GIT_OID_HEXSZ] = '\0';
  
  	if ((error = git_commit_lookup(&annotated_commit->commit, repo, id)) < 0) {
  		git_annotated_commit_free(annotated_commit);
  		return error;
  	}
  
  	*out = annotated_commit;
  	return error;
  }
  
  int git_annotated_commit_from_ref(
  	git_annotated_commit **out,
  	git_repository *repo,
  	const git_reference *ref)
  {
  	git_reference *resolved;
  	int error = 0;
  
  	assert(out && repo && ref);
  
  	*out = NULL;
  
  	if ((error = git_reference_resolve(&resolved, ref)) < 0)
  		return error;
  	
  	error = annotated_commit_init(out, repo, git_reference_target(resolved),
  		git_reference_name(ref), NULL);
  
  	git_reference_free(resolved);
  	return error;
  }
  
  int git_annotated_commit_lookup(
  	git_annotated_commit **out,
  	git_repository *repo,
  	const git_oid *id)
  {
  	assert(out && repo && id);
  
  	return annotated_commit_init(out, repo, id, NULL, NULL);
  }
  
  int git_annotated_commit_from_fetchhead(
  	git_annotated_commit **out,
  	git_repository *repo,
  	const char *branch_name,
  	const char *remote_url,
  	const git_oid *id)
  {
  	assert(repo && id && branch_name && remote_url);
  
  	return annotated_commit_init(out, repo, id, branch_name, remote_url);
  }
  
  int git_annotated_commit_from_revspec(
  	git_annotated_commit **out,
  	git_repository *repo,
  	const char *revspec)
  {
  	git_object *obj, *commit;
  	int error;
  
  	assert(out && repo && revspec);
  
  	if ((error = git_revparse_single(&obj, repo, revspec)) < 0)
  		return error;
  
  	if ((error = git_object_peel(&commit, obj, GIT_OBJ_COMMIT))) {
  		git_object_free(obj);
  		return error;
  	}
  
  	error = annotated_commit_init(out, repo, git_object_id(commit), revspec, NULL);
  
  	git_object_free(obj);
  	git_object_free(commit);
  
  	return error;
  }
  
  
  const git_oid *git_annotated_commit_id(
  	const git_annotated_commit *annotated_commit)
  {
  	assert(annotated_commit);
  	return git_commit_id(annotated_commit->commit);
  }
  
  void git_annotated_commit_free(git_annotated_commit *annotated_commit)
  {
  	if (annotated_commit == NULL)
  		return;
  
  	if (annotated_commit->commit != NULL)
  		git_commit_free(annotated_commit->commit);
  
  	if (annotated_commit->ref_name != NULL)
  		git__free(annotated_commit->ref_name);
  
  	if (annotated_commit->remote_url != NULL)
  		git__free(annotated_commit->remote_url);
  
  	git__free(annotated_commit);
  }
  

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