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# Helpers for preparing and checking scenarios, sourced on the machine
# populate deploys to.
set -efu
fail() {
printf 'FAIL: %s\n' "$*" >&2
exit 1
}
# usage: expect_eq WHAT ACTUAL EXPECTED
expect_eq() {
if test "$2" != "$3"; then
fail "$1: expected '$3', got '$2'"
fi
}
nix() {
command nix --extra-experimental-features 'nix-command flakes' "$@"
}
# Evaluates a flake output without network access to the fixtures, so all
# inputs must be in the store.
nix_eval() {
env \
http_proxy=http://127.0.0.1:9 https_proxy=http://127.0.0.1:9 \
HTTP_PROXY=http://127.0.0.1:9 HTTPS_PROXY=http://127.0.0.1:9 \
all_proxy=http://127.0.0.1:9 ALL_PROXY=http://127.0.0.1:9 \
no_proxy= NO_PROXY= \
nix --extra-experimental-features 'nix-command flakes' eval --raw "$@"
}
# Evaluates a flake output, fetching missing inputs.
nix_eval_online() {
nix eval --raw "$@"
}
# Collects garbage if KROPS_TEST_GC is set, so evaluating afterwards checks
# that delivered store paths are registered as garbage collector roots.
gc() {
if test -n "${KROPS_TEST_GC-}"; then
nix-store --gc >/dev/null
fi
}
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