hydrogen: init (#20)

Reviewed-on: https://codeberg.org/leana8959/.files/pulls/20
Co-authored-by: Léana 江 <leana.jiang+git@icloud.com>
Co-committed-by: Léana 江 <leana.jiang+git@icloud.com>

nix/homeModules/common/git.nix

@@ -1,12 +1,22 @@
 {
   lib,
   config,
+  pkgs,
   ...
 }: {
   # git plugins
   programs.git = {
     lfs.enable = true;
-    patdiff.enable = true;
+    patdiff.enable = lib.mkMerge [
+      # known to fail on aarch64-linux
+      (lib.mkIf (pkgs.system == "aarch64-linux") (
+        # TODO: investigate this
+        lib.warn "patdiff has been forcibly disabled because it has previously failed to build"
+        lib.mkForce
+        false
+      ))
+      (lib.mkDefault true)
+    ];
   };
 
   # 懶惰鬼賴皮