dentritic refactor

modules/nixos/common/common-git.ulu.nix

@@ -0,0 +1,27 @@
+{ ... }:
+{
+  commonModules.common-git =
+    { pkgs, lib, ... }:
+    let
+      base = ''
+        [user]
+        	name = elwrcl
+        	email = elwerici@proton.me
+        	signingkey = 5EA48F7312A42B84
+        [commit]
+        	gpgsign = true
+        [tag]
+        	gpgsign = true
+      '';
+
+      darwinExtra = ''
+        [credential]
+        	helper = osxkeychain
+      '';
+
+      gitconfig = pkgs.writeText "gitconfig" (base + lib.optionalString pkgs.stdenv.isDarwin darwinExtra);
+    in
+    {
+      environment.variables.GIT_CONFIG_SYSTEM = "${gitconfig}";
+    };
+}