Hello, I am trying to use bundlerEnv to create a development environment I'll use with nix-shell in the context of a rails application.
When I am launching nix-shell, I would like the following to happen: - having all the needed gems my application depend on installed - start any dependent services (databases for example) until the shell is gone Currently I have the following `default.nix` in my test dev folder: ----------------------------------------------------------------------- with (import <nixpkgs> {}); let project_name = "myproject"; ruby = pkgs.ruby_2_2_0; env = bundlerEnv { name = project_name; inherit ruby; gemfile = ./Gemfile; lockfile = ./Gemfile.lock; gemset = ./gemset.nix; }; in stdenv.mkDerivation { name = project_name; src = null; buildInputs = [ env postgresql ]; shellHook = '' set -e; export PGDATA="/var/dev-srv/pg-${project_name}" export PATH=${env}/bin:$PATH export GEM_HOME=${env}/lib if [ ! -d $PGDATA ]; then initdb fi if [ $autostart-postgres ]; then pg_ctl -D $PGDATA -l ~/code/myproject/log/pg.log start trap 'pg_ctl -D $PGDATA stop' EXIT fi ''; } ----------------------------------------------------------------------- Which is basically a tentative to smach together multiple stuff I found for other development environment and bundlerEnv. This start and stop the postgresql database when I go in nix-shell, but it does not load all the gems correctly (they are installed, but not all available to ruby). This is what happen when i call rake in the nix-shell: ----------------------------------------------------------------------- Could not find i18n-0.7.0 in any of the sources Run `bundle install` to install missing gems. ----------------------------------------------------------------------- Note that I am a total noob when it come to Nix currently, so it does not surprise me that this is not working! Can somebody help me on this? Best regards, -- Mayeu a.k.a Matthieu http://6x9.fr GPG: A016 F2D8 0472 1186 1B33 A419 22B1 0496 B00D A693
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