Add git notes API

This commit adds basic git notes support to libgit2, namely:

* git_note_read
* git_note_message
* git_note_oid
* git_note_create
* git_note_remove

In the long run, we probably want to provide some convenience callback
mechanism for merging and moving (filter-branch) notes.

Signed-off-by: schu <schu-github@schulog.org>

1 files changed, 49 insertions, 0 deletions

diff --git a/tests-clar/notes/notes.c b/tests-clar/notes/notes.c
new file mode 100644
index 000000000..eeb25eca0
--- /dev/null
+++ b/tests-clar/notes/notes.c
@@ -0,0 +1,49 @@
+#include "clar_libgit2.h"
+
+static git_repository *_repo;
+static git_note *_note;
+static git_blob *_blob;
+static git_signature *_sig;
+
+void test_notes_notes__initialize(void)
+{
+	cl_fixture_sandbox("testrepo.git");
+	cl_git_pass(git_repository_open(&_repo, "testrepo.git"));
+}
+
+void test_notes_notes__cleanup(void)
+{
+	git_note_free(_note);
+	git_blob_free(_blob);
+	git_signature_free(_sig);
+
+	git_repository_free(_repo);
+	cl_fixture_cleanup("testrepo.git");
+}
+
+void test_notes_notes__1(void)
+{
+	git_oid oid, note_oid;
+
+	cl_git_pass(git_signature_now(&_sig, "alice", "alice@example.com"));
+
+	cl_git_pass(git_note_create(&note_oid, _repo, _sig, _sig, "refs/notes/some/namespace", &oid, "hello world\n"));
+	cl_git_pass(git_note_create(&note_oid, _repo, _sig, _sig, NULL, &oid, "hello world\n"));
+
+	cl_git_pass(git_note_read(&_note, _repo, NULL, &oid));
+
+	cl_assert(!strcmp(git_note_message(_note), "hello world\n"));
+	cl_assert(!git_oid_cmp(git_note_oid(_note), &note_oid));
+
+	cl_git_pass(git_blob_lookup(&_blob, _repo, &note_oid));
+	cl_assert(!strcmp(git_note_message(_note), git_blob_rawcontent(_blob)));
+
+	cl_git_fail(git_note_create(&note_oid, _repo, _sig, _sig, NULL, &oid, "hello world\n"));
+	cl_git_fail(git_note_create(&note_oid, _repo, _sig, _sig, "refs/notes/some/namespace", &oid, "hello world\n"));
+
+	cl_git_pass(git_note_remove(_repo, NULL, _sig, _sig, &oid));
+	cl_git_pass(git_note_remove(_repo, "refs/notes/some/namespace", _sig, _sig, &oid));
+
+	cl_git_fail(git_note_remove(_repo, NULL, _sig, _sig, &note_oid));
+	cl_git_fail(git_note_remove(_repo, "refs/notes/some/namespace", _sig, _sig, &oid));
+}