Revert "Fix pgloader database URI"

This reverts commit fcc06ae4a0.

shell.nix

@@ -2,15 +2,57 @@
 
 with pkgs;
 
-mkShell {
-  buildInputs = [ python27 python27Packages.virtualenv ];
+let
+  psql_file = "psql_creation.sql";
+  psql_dir = "$(pwd)/.pgdata";
+  mysql_file = "mysql_creation.sql";
+  mysql_dir = "$(pwd)/.mysql";
+  socket = "${mysql_dir}/mysql.sock";
+  origin = "mysql:///odyfo";
+  destination = "postgresql:///odyfo";
+
+in mkShell {
+  buildInputs = [
+    postgresql
+    mysql57
+    pgloader
+    python38Packages.alembic
+    python38Packages.pymysql
+  ];
 
   shellHook = ''
-    # Workaround to use pip
-    SOURCE_DATE_EPOCH=$(date +%s)
-    virtualenv .venv
-    export PATH=$PWD/.venv/bin:$PATH
-    pip install etlalchemy
-    pip install psycopg2
+        trap "kill 0" EXIT
+        export PGDATA="${psql_dir}"
+        export PGHOST="${psql_dir}"
+
+        # Initialize PostgreSQL
+        if [ ! -d ${psql_dir} ]; then
+          initdb --auth-local=trust --no-locale --encoding=UTF8
+        fi
+
+        if ! pg_ctl status; then
+          pg_ctl start -o "--unix_socket_directories=${psql_dir} --listen_addresses='''"
+        fi
+
+        psql -d postgres -f ${psql_file}
+
+        # Initialize MySQL
+        if [ ! -d ${mysql_dir} ]; then
+          mysqld --datadir="${mysql_dir}" --socket="${socket}" --initialize-insecure
+        fi
+
+        mysqld --datadir="${mysql_dir}" --socket="${socket}" --skip-networking &
+        sleep 5
+
+        mysql --socket="${socket}" -u root < ${mysql_file}
+
+        alias psql='psql -d postgres'
+        alias mysql='mysql --socket="${socket}" -u root'
+        alias nuke='rm -rf ${psql_dir} ${mysql_dir}'
+
+        alembic upgrade head
+        pgloader ${origin} ${destination}
+        pg_dump odyfo > databases/migrated_db.sql
+    >>>>>>> parent of fcc06ae (Fix pgloader database URI)
       '';
 }