Listen to dialyzer

lib/geef/commit.ex

@@ -1,7 +1,5 @@
 defmodule Geef.Commit do
-  alias Geef.Object
-  alias Geef.Signature
-  alias Geef.Oid
+  use Geef
   import Object, only: :macros
 
   @type t :: Object[type: :commit]
@@ -33,9 +31,9 @@ defmodule Geef.Commit do
   @spec tree!(t) :: Tree.t
   def tree!(commit = Object[type: :commit]), do: tree(commit) |> Geef.assert_ok
 
-  @type create(pid, Signature.t, Signature.t, iolist, Tree.t, Commit.t, [atom]) :: {:ok, Oid.t} | {:error, term}
+  @spec create(pid, Signature.t, Signature.t, iolist, Oid.t, [Oid.t], [:proplists.property()]) :: {:ok, Oid.t} | {:error, term}
   def create(repo, author = Signature[], committer = Signature[], message, tree, parents, opts // []) do
-    :geef_commit.create(repo, author, committer, message, tree, parents, opts)
+    :geef_commit.create(repo, Signature.to_erl(author), Signature.to_erl(committer), message, tree, parents, opts)
   end
 
 end

lib/geef/signature.ex

@@ -9,4 +9,7 @@ defrecord Geef.Signature, Record.extract(:geef_signature, from: "src/geef_record
 
   defp from_erl(sig), do: set_elem(sig, 0, Geef.Signature)
 
+  @spec to_erl(t) :: :geef_sig.signature
+  def to_erl(sig), do: set_elem(sig, 0, :geef_signature)
+
 end

src/geef_commit.erl

@@ -34,11 +34,15 @@ create(Repo, Ref, Author = #geef_signature{}, Committer = #geef_signature{}, Enc
     geef_nif:commit_create(Handle, Ref, Author, Committer, Encoding, Message, Tree, Parents).
 
 % Common version, accepts ref and encoding as options
+-spec create(pid(), geef_sig:signature(), geef_sig:signature(), iolist(), geef_oid:oid(), [geef_oid:oid()],
+	     [proplists:property()]) -> {ok, geef_oid:oid()} | {error, term()}.
 create(Repo, Author = #geef_signature{}, Committer = #geef_signature{}, Message, Tree, Parents, Opts) ->
     Ref = proplists:get_value(update_ref, Opts, undefined),
     Encoding = proplists:get_value(encoding, Opts, undefined),
     create(Repo, Ref, Author, Committer, Encoding, Message, Tree, Parents).
 
+-spec create(pid(), geef_sig:signature(), geef_sig:signature(), iolist(), geef_oid:oid(), [geef_oid:oid()])
+	    -> {ok, geef_oid:oid()} | {error, term()}.
 create(Repo, Author = #geef_signature{}, Committer = #geef_signature{}, Message, Tree, Parents) ->
     create(Repo, Author, Committer, Message, Tree, Parents, []);
 

src/geef_nif.erl

@@ -175,7 +175,7 @@ index_add(_Handle, _Entry) ->
 index_clear(_Handle) ->
     ?NIF_FN.
 
--spec signature_default(term()) -> {ok, geef_sig:signature()} | {error, term()}.
+-spec signature_default(term()) -> {ok, binary(), binary(), non_neg_integer(), non_neg_integer()} | {error, term()}.
 signature_default(_Repo) ->
     ?NIF_FN.