Add geef_commit:tree()

c_src/commit.c

@@ -22,3 +22,25 @@ geef_commit_tree_id(ErlNifEnv *env, int argc, const ERL_NIF_TERM argv[])
 
 	return enif_make_binary(env, &bin);
 }
+
+ERL_NIF_TERM
+geef_commit_tree(ErlNifEnv *env, int argc, const ERL_NIF_TERM argv[])
+{
+	geef_object *obj, *tree;
+	ERL_NIF_TERM term_obj;
+
+	if (!enif_get_resource(env, argv[0], geef_object_type, (void **) &obj))
+		return enif_make_badarg(env);
+
+	tree = enif_alloc_resource(geef_object_type, sizeof(geef_object));
+
+	if (git_commit_tree((git_tree **) &tree->obj, (git_commit *) obj->obj) < 0)
+		return geef_error(env);
+
+	term_obj = enif_make_resource(env, obj);
+	enif_release_resource(obj);
+
+
+	return enif_make_tuple3(env, atoms.ok, atoms.tree, term_obj);
+
+}

c_src/commit.h

@@ -2,5 +2,6 @@
 #define GEEF_COMMIT_H
 
 ERL_NIF_TERM geef_commit_tree_id(ErlNifEnv *env, int argc, const ERL_NIF_TERM argv[]);
+ERL_NIF_TERM geef_commit_tree(ErlNifEnv *env, int argc, const ERL_NIF_TERM argv[]);
 
 #endif

c_src/geef.c

@@ -98,6 +98,7 @@ static ErlNifFunc geef_funcs[] =
 	{"oid_fmt", 1, geef_oid_fmt},
 	{"oid_parse", 1, geef_oid_parse},
 	{"object_lookup", 2, geef_object_lookup},
+	{"commit_tree", 1, geef_commit_tree},
 	{"commit_tree_id", 1, geef_commit_tree_id},
 };
 

src/geef.erl

@@ -78,6 +78,10 @@ object_lookup(_Repo, _Oid) ->
 commit_tree_id(_Handle) ->
     nif_error(?LINE).
 
+-spec commit_tree(term) -> term().
+commit_tree(_Handle) ->
+    nif_error(?LINE).
+
 nif_error(Line) ->
     erlang:nif_error({nif_not_loaded,module,?MODULE,line,Line}).
 

src/geef_commit.erl

@@ -1,5 +1,5 @@
 -module(geef_commit).
--export([tree_id/1]).
+-export([tree_id/1, tree/1]).
 
 -include("geef_records.hrl").
 
@@ -7,3 +7,11 @@
 tree_id(#object{type=commit,handle=Handle}) ->
     Oid = geef:commit_tree_id(Handle),
     #oid{oid=Oid}.
+
+tree(Obj = #object{type=commit,handle=Handle}) ->
+    case geef:commit_tree(Handle) of
+	{ok, Type, Handle} ->
+	    {ok, #object{type=Type, handle=Handle}};
+	Other ->
+	    Other
+    end.

src/geef_object.erl

@@ -5,8 +5,8 @@
 -export([lookup/2]).
 
 -spec lookup(repo(), oid()) -> object().
-lookup(#repo{handle=Repo}, #oid{oid=Oid}) ->
+lookup(Repo = #repo{handle=RepoHandle}, #oid{oid=Oid}) ->
-    case geef:object_lookup(Repo, Oid) of
+    case geef:object_lookup(RepoHandle, Oid) of
 	{ok, Type, Handle} ->
 	    {ok, #object{type=Type, handle=Handle}};
 	Other ->