From e670c267d098fd19bce9f7dd3ba79dde129e9c26 Mon Sep 17 00:00:00 2001
From: Erik Post <erik@shinsetsu.nl>
Date: Mon, 16 Mar 2020 21:20:44 +0100
Subject: [PATCH] Add initial nix-shell setup for test db.

---
 shell.nix | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 shell.nix

diff --git a/shell.nix b/shell.nix
new file mode 100644
index 0000000..fb8dc64
--- /dev/null
+++ b/shell.nix
@@ -0,0 +1,23 @@
+{ pkgs ? import <nixpkgs> {}, ... }:
+let
+  inherit (pkgs) stdenv;
+in stdenv.mkDerivation {
+  name = "myproject-devenv";
+  buildInputs = with pkgs; [
+    # postgresql
+    postgresql_12
+  ];
+  shellHook = ''
+    export PGDATA=$PWD/postgres_data
+    export PGHOST=localhost
+    export PGPORT=5432
+    export LOG_PATH=$PWD/postgres.log
+    export PGDATABASE=postgres
+
+    if [ ! -d $PGDATA ]; then
+      echo 'Initializing postgresql database...'
+      initdb $PGDATA --auth=trust >/dev/null
+    fi
+    pg_ctl start -l $LOG_PATH -o "-c listen_addresses='$PGHOST' -c port=$PGPORT"
+  '';
+}