thodg/libgit2/src/annotated_commit.c

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• Hash : f60ebfcb
  Author :
  Date : 2020-04-04T23:31:05
  

  annotated_commit: use GIT_ASSERT

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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 "annotated_commit.h"
  
  #include "refs.h"
  #include "cache.h"
  
  #include "git2/commit.h"
  #include "git2/refs.h"
  #include "git2/repository.h"
  #include "git2/annotated_commit.h"
  #include "git2/revparse.h"
  #include "git2/tree.h"
  #include "git2/index.h"
  
  static int annotated_commit_init(
  	git_annotated_commit **out,
  	git_commit *commit,
  	const char *description)
  {
  	git_annotated_commit *annotated_commit;
  	int error = 0;
  
  	GIT_ASSERT_ARG(out);
  	GIT_ASSERT_ARG(commit);
  
  	*out = NULL;
  
  	annotated_commit = git__calloc(1, sizeof(git_annotated_commit));
  	GIT_ERROR_CHECK_ALLOC(annotated_commit);
  
  	annotated_commit->type = GIT_ANNOTATED_COMMIT_REAL;
  
  	if ((error = git_commit_dup(&annotated_commit->commit, commit)) < 0)
  		goto done;
  
  	git_oid_fmt(annotated_commit->id_str, git_commit_id(commit));
  	annotated_commit->id_str[GIT_OID_HEXSZ] = '\0';
  
  	if (!description)
  		description = annotated_commit->id_str;
  
  	annotated_commit->description = git__strdup(description);
  	GIT_ERROR_CHECK_ALLOC(annotated_commit->description);
  
  done:
  	if (!error)
  		*out = annotated_commit;
  
  	return error;
  }
  
  static int annotated_commit_init_from_id(
  	git_annotated_commit **out,
  	git_repository *repo,
  	const git_oid *id,
  	const char *description)
  {
  	git_commit *commit = NULL;
  	int error = 0;
  
  	GIT_ASSERT_ARG(out);
  	GIT_ASSERT_ARG(repo);
  	GIT_ASSERT_ARG(id);
  
  	*out = NULL;
  
  	if ((error = git_commit_lookup(&commit, repo, id)) < 0)
  		goto done;
  
  	error = annotated_commit_init(out, commit, description);
  
  done:
  	git_commit_free(commit);
  	return error;
  }
  
  int git_annotated_commit_lookup(
  	git_annotated_commit **out,
  	git_repository *repo,
  	const git_oid *id)
  {
  	return annotated_commit_init_from_id(out, repo, id, NULL);
  }
  
  int git_annotated_commit_from_commit(
  	git_annotated_commit **out,
  	git_commit *commit)
  {
  	return annotated_commit_init(out, commit, NULL);
  }
  
  int git_annotated_commit_from_revspec(
  	git_annotated_commit **out,
  	git_repository *repo,
  	const char *revspec)
  {
  	git_object *obj, *commit;
  	int error;
  
  	GIT_ASSERT_ARG(out);
  	GIT_ASSERT_ARG(repo);
  	GIT_ASSERT_ARG(revspec);
  
  	if ((error = git_revparse_single(&obj, repo, revspec)) < 0)
  		return error;
  
  	if ((error = git_object_peel(&commit, obj, GIT_OBJECT_COMMIT))) {
  		git_object_free(obj);
  		return error;
  	}
  
  	error = annotated_commit_init(out, (git_commit *)commit, revspec);
  
  	git_object_free(obj);
  	git_object_free(commit);
  
  	return error;
  }
  
  int git_annotated_commit_from_ref(
  	git_annotated_commit **out,
  	git_repository *repo,
  	const git_reference *ref)
  {
  	git_object *peeled;
  	int error = 0;
  
  	GIT_ASSERT_ARG(out);
  	GIT_ASSERT_ARG(repo);
  	GIT_ASSERT_ARG(ref);
  
  	*out = NULL;
  
  	if ((error = git_reference_peel(&peeled, ref, GIT_OBJECT_COMMIT)) < 0)
  		return error;
  
  	error = annotated_commit_init_from_id(out,
  		repo,
  		git_object_id(peeled),
  		git_reference_name(ref));
  
  	if (!error) {
  		(*out)->ref_name = git__strdup(git_reference_name(ref));
  		GIT_ERROR_CHECK_ALLOC((*out)->ref_name);
  	}
  
  	git_object_free(peeled);
  	return error;
  }
  
  int git_annotated_commit_from_head(
  	git_annotated_commit **out,
  	git_repository *repo)
  {
  	git_reference *head;
  	int error;
  
  	GIT_ASSERT_ARG(out);
  	GIT_ASSERT_ARG(repo);
  
  	*out = NULL;
  
  	if ((error = git_reference_lookup(&head, repo, GIT_HEAD_FILE)) < 0)
  		return -1;
  
  	error = git_annotated_commit_from_ref(out, repo, head);
  
  	git_reference_free(head);
  	return error;
  }
  
  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)
  {
  	GIT_ASSERT_ARG(out);
  	GIT_ASSERT_ARG(repo);
  	GIT_ASSERT_ARG(branch_name);
  	GIT_ASSERT_ARG(remote_url);
  	GIT_ASSERT_ARG(id);
  
  	if (annotated_commit_init_from_id(out, repo, id, branch_name) < 0)
  		return -1;
  
  	(*out)->ref_name = git__strdup(branch_name);
  	GIT_ERROR_CHECK_ALLOC((*out)->ref_name);
  
  	(*out)->remote_url = git__strdup(remote_url);
  	GIT_ERROR_CHECK_ALLOC((*out)->remote_url);
  
  	return 0;
  }
  
  
  const git_oid *git_annotated_commit_id(
  	const git_annotated_commit *annotated_commit)
  {
  	GIT_ASSERT_ARG_WITH_RETVAL(annotated_commit, NULL);
  	return git_commit_id(annotated_commit->commit);
  }
  
  const char *git_annotated_commit_ref(
  	const git_annotated_commit *annotated_commit)
  {
  	GIT_ASSERT_ARG_WITH_RETVAL(annotated_commit, NULL);
  	return annotated_commit->ref_name;
  }
  
  void git_annotated_commit_free(git_annotated_commit *annotated_commit)
  {
  	if (annotated_commit == NULL)
  		return;
  
  	switch (annotated_commit->type) {
  		case GIT_ANNOTATED_COMMIT_REAL:
  			git_commit_free(annotated_commit->commit);
  			git_tree_free(annotated_commit->tree);
  			git__free((char *)annotated_commit->description);
  			git__free((char *)annotated_commit->ref_name);
  			git__free((char *)annotated_commit->remote_url);
  			break;
  		case GIT_ANNOTATED_COMMIT_VIRTUAL:
  			git_index_free(annotated_commit->index);
  			git_array_clear(annotated_commit->parents);
  			break;
  		default:
  			abort();
  	}
  
  	git__free(annotated_commit);
  }
  

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