#!/usr/bin/env bash

source common.sh

# Globally enable the ca derivations experimental flag
sed -i 's/experimental-features = .*/& ca-derivations ca-references/' "$NIX_CONF_DIR/nix.conf"

# In the corresponding nix file, we have two derivations: the first, named root,
# is a normal recursive derivation, while the second, named dependent, has the
# new outputHashMode "text". Note that in "dependent", we don't refer to the
# build output of root, but only to the path of the drv file. For this reason,
# we only need to:
#
# - instantiate the root derivation
# - build the dependent derivation
# - check that the path of the output coincides with that of the original derivation

drv=$(nix-instantiate --experimental-features ca-derivations ./text-hashed-output.nix -A root)
nix show-derivation "$drv"

drvDep=$(nix-instantiate --experimental-features ca-derivations ./text-hashed-output.nix -A dependent)
nix show-derivation "$drvDep"

out1=$(nix-build --experimental-features ca-derivations ./text-hashed-output.nix -A dependent --no-out-link)

nix path-info $drv --derivation --json | jq
nix path-info $out1 --derivation --json | jq

test $out1 == $drv