feat: add onefetch and pre-commit to all shells

flake.nix

@@ -48,6 +48,7 @@
 
         packagesSharedByAll = with pkgs; [
           diff-so-fancy
+          pre-commit
         ];
 
         scripts = {
@@ -141,6 +142,10 @@
           (pkgs.lib.attrsets.mapAttrs (name: value:
             pkgs.mkShell (pkgs.lib.recursiveUpdate value {
               packages = value.packages ++ packagesSharedByAll;
+              shellHook = ''
+                echo -e 1>&2 "\n\n  Welcome to the development shell!\n\n"
+                ${pkgs.onefetch}/bin/onefetch
+              '';
             }))
           shells)
           // {
@@ -149,6 +154,7 @@
               shellHook = ''
                 echo -e 1>&2 "\n\n  Welcome to the development shell!\n\n"
                 ${config.pre-commit.installationScript}
+                ${pkgs.onefetch}/bin/onefetch
               '';
             });
           };