1 files changed, 121 insertions, 0 deletions
diff --git a/src/annotated_commit.c b/src/annotated_commit.c
new file mode 100644
index 000000000..0a917802a
--- /dev/null
+++ b/src/annotated_commit.c
@@ -0,0 +1,121 @@
+/*
+ * 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"
+
+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);
+}
+
+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);
+}