Move shells to separate files

shells/gamification2.nix

@@ -0,0 +1,63 @@
+{ pkgs, inputs }: pkgs.devshell.mkShell {
+  name = "Gamification 2";
+  imports = [ "${inputs.devshell}/extra/language/c.nix" ];
+  packages = with pkgs; [
+    (pkgs.lowPrio binutils)
+    findutils
+    cmake
+    gnumake
+    nodejs
+    postgresql_14
+    ruby_3_1
+    yarn
+  ];
+  env = [
+    { name = "PGDATA"; eval = "$PRJ_DATA_DIR/postgres"; }
+    { name = "DATABASE_HOST"; eval = "$PGDATA"; }
+    { name = "GEM_HOME"; eval = "$PRJ_DATA_DIR/bundle/$(ruby -e 'puts RUBY_VERSION')"; }
+    { name = "PATH"; prefix = "$GEM_HOME/bin"; }
+  ];
+  commands = [
+    {
+      name = "pg:setup";
+      category = "database";
+      help = "Setup postgres in project folder";
+      command = ''
+        initdb --encoding=UTF8 --no-locale --no-instructions -U postgres
+        echo "listen_addresses = ${"'"}${"'"}" >> $PGDATA/postgresql.conf
+        echo "unix_socket_directories = '$PGDATA'" >> $PGDATA/postgresql.conf
+        echo "CREATE USER gamification2 WITH PASSWORD 'gamification2' CREATEDB SUPERUSER;" | postgres --single -E postgres
+      '';
+    }
+    {
+      name = "pg:start";
+      category = "database";
+      help = "Start postgres instance";
+      command = ''
+        [ ! -d $PGDATA ] && pg:setup
+        pg_ctl -D $PGDATA -U postgres start -l log/postgres.log
+      '';
+    }
+    {
+      name = "pg:stop";
+      category = "database";
+      help = "Stop postgres instance";
+      command = ''
+        pg_ctl -D $PGDATA -U postgres stop
+      '';
+    }
+    {
+      name = "pg:console";
+      category = "database";
+      help = "Open database console";
+      command = ''
+        psql --host $PGDATA -U postgres
+      '';
+    }
+  ];
+  language.c = {
+    compiler = pkgs.gcc;
+    includes = [ pkgs.zlib pkgs.openssl ];
+    libraries = [ pkgs.zlib pkgs.openssl ];
+  };
+}