env/cpp.nix

@@ -0,0 +1,5 @@
+{ pkgs ? import <nixpkgs> { } }:
+
+with pkgs;
+
+mkShell { buildInputs = [ ccls cmake ]; }

env/mysql.nix

@@ -2,24 +2,19 @@
 
 with pkgs;
 
-let
-  sql_file = "database/db.sql";
-  data_dir = "$(pwd)/.mysql";
-  socket = "${data_dir}/mysql.sock";
-
-in mkShell {
-  buildInputs = [ mysql80 ];
+mkShell {
+  buildInputs = [ mysql57 ];
 
   shellHook = ''
-    trap "kill 0" EXIT
-    [ -d ${data_dir} ] || mkdir ${data_dir}
+    pkill mysql
+    rm -rf .mysql && mkdir .mysql
 
-    mysqld --datadir="${data_dir}" --socket="${socket}" --initialize-insecure
-    mysqld --datadir="${data_dir}" --socket="${socket}" --skip-networking --skip-mysqlx &
+    mysqld --datadir="$(pwd)/.mysql" --socket="$(pwd)/.mysql/mysql.sock" --initialize-insecure
+    mysqld --datadir="$(pwd)/.mysql" --socket="$(pwd)/.mysql/mysql.sock" --skip-networking &
     sleep 1
 
-    mysql --socket="${socket}" -u root < ${sql_file}
+    mysql --socket="$(pwd)/.mysql/mysql.sock" -u root < $(pwd)/database/db.sql
 
-    alias mysql='mysql --socket="${socket}" -u root'
+    alias mysql='mysql --socket="$(pwd)/.mysql/mysql.sock" -u root'
   '';
 }