nix-repl> d = derivation { name = "foo"; builder = "${bash}/bin/bash"; args = [ ./builder.sh ]; system = builtins.currentSystem; }
nix-repl> :b d
these derivations will be built:
/nix/store/i76pr1cz0za3i9r6xq518bqqvd2raspw-foo.drv
building '/nix/store/i76pr1cz0za3i9r6xq518bqqvd2raspw-foo.drv'...
declare -x HOME="/homeless-shelter"
declare -x NIX_BUILD_CORES="4"
declare -x NIX_BUILD_TOP="/tmp/nix-build-foo.drv-0"
declare -x NIX_LOG_FD="2"
declare -x NIX_STORE="/nix/store"
declare -x OLDPWD
declare -x PATH="/path-not-set"
declare -x PWD="/tmp/nix-build-foo.drv-0"
declare -x SHLVL="1"
declare -x TEMP="/tmp/nix-build-foo.drv-0"
declare -x TEMPDIR="/tmp/nix-build-foo.drv-0"
declare -x TMP="/tmp/nix-build-foo.drv-0"
declare -x TMPDIR="/tmp/nix-build-foo.drv-0"
declare -x builder="/nix/store/q1g0rl8zfmz7r371fp5p42p4acmv297d-bash-4.4-p19/bin/bash"
declare -x name="foo"
declare -x out="/nix/store/gczb4qrag22harvv693wwnflqy7lx5pb-foo"
declare -x system="x86_64-linux"
warning: you did not specify '--add-root'; the result might be removed by the garbage collector
/nix/store/gczb4qrag22harvv693wwnflqy7lx5pb-foo
this derivation produced the following outputs:
out -> /nix/store/gczb4qrag22harvv693wwnflqy7lx5pb-foo