git-credential-oauth: add module

modules/misc/news.nix

@@ -1094,6 +1094,13 @@ in
           may be necessary as new modules are added.
         '';
       }
+
+      {
+        time = "2023-06-14T21:25:34+00:00";
+        message = ''
+          A new module is available: 'programs.git-credential-oauth'.
+        '';
+      }
     ];
   };
 }

modules/modules.nix

@@ -85,6 +85,7 @@ let
     ./programs/getmail.nix
     ./programs/gh.nix
     ./programs/git-cliff.nix
+    ./programs/git-credential-oauth.nix
     ./programs/git.nix
     ./programs/gitui.nix
     ./programs/gnome-terminal.nix

modules/programs/git-credential-oauth.nix

@@ -0,0 +1,24 @@
+{ config, lib, pkgs, ... }:
+
+let
+
+  cfg = config.programs.git-credential-oauth;
+
+in {
+  meta.maintainers = [ lib.maintainers.tomodachi94 ];
+
+  options = {
+    programs.git-credential-oauth = {
+      enable = lib.mkEnableOption "Git authentication handler for OAuth";
+
+      package = lib.mkPackageOption pkgs "git-credential-oauth" { };
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    home.packages = [ cfg.package ];
+
+    programs.git.extraConfig.credential.helper =
+      [ "${cfg.package}/bin/git-credential-oauth" ];
+  };
+}