devenv/postgresql.nix

33 lines
643 B
Nix

{ pkgs ? import <nixpkgs> { } }:
with pkgs;
let
sql_file = "data/db.sql";
data_dir = "$(pwd)/.pgdata";
in mkShell {
buildInputs = [ postgresql ];
shellHook = ''
trap "kill 0" EXIT
export PGDATA="${data_dir}"
export PGHOST="${data_dir}"
if [ ! -d ${data_dir} ]; then
initdb --auth-local=trust --no-locale --encoding=UTF8
fi
if ! pg_ctl status; then
pg_ctl start -o "--unix_socket_directories=${data_dir} --listen_addresses='''"
fi
if [ ! -d ${data_dir} ]; then
psql -d postgres -f ${sql_file}
fi
alias psql='psql -d postgres'
alias nuke='rm -rf ${data_dir}'
'';
}