nix-gitlab-ci/nix/packages/scripts/setup_nix_ci.sh

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echo -e "\\e[0Ksection_start:`date +%s`:nix_setup[collapsed=true]\\r\\e[0KSetting up Nix CI"
nix path-info --all > /tmp/nix-store-before
if [[ "$NIX_CI_CACHE_STRATEGY" == "auto" ]]; then
export NIX_CI_CACHE_STRATEGY="${NIX_CI_RUNNER_CACHE_STRATEGY:-${NIX_CI_DEFAULT_CACHE_STRATEGY:-none}}";
echo "NIX_CI_CACHE_STRATEGY was set to auto, selected '$NIX_CI_CACHE_STRATEGY' for this job"
fi
if [ -z "$NIX_CI_DISABLE_CACHE" ]; then
echo -e "\\e[0Ksection_start:`date +%s`:cache_setup[collapsed=true]\\r\\e[0KConfiguring cache ($NIX_CI_CACHE_STRATEGY)"
case "$NIX_CI_CACHE_STRATEGY" in
"runner")
export RUNNER_CACHE=''${RUNNER_CACHE:-"file://$(pwd)/.nix-cache"}
echo "Runner Cache: $RUNNER_CACHE"
export NIX_CONFIG="$NIX_CONFIG
extra-trusted-substituters = $RUNNER_CACHE?priority=10&trusted=true
extra-substituters = $RUNNER_CACHE?priority=10&trusted=true
"
;;
"attic")
echo "Attic Cache: $ATTIC_CACHE"
attic login --set-default ci "$ATTIC_SERVER" "$ATTIC_TOKEN" || true
attic use "$ATTIC_CACHE" || true
;;
"cachix")
echo "Cachix Cache: $CACHIX_CACHE"
cachix use "$CACHIX_CACHE" || true
;;
"none")
echo "Cache strategy is none, doing nothing..."
;;
*)
echo "WARNING: Invalid cache strategy set: '$NIX_CI_CACHE_STRATEGY'"
;;
esac
echo -e "\\e[0Ksection_end:`date +%s`:cache_setup\\r\\e[0K"
else
echo "Caching disabled (NIX_CI_DISABLE_CACHE), skipping cache configuration..."
fi
# load the job's deps only if the name was passed
if [[ ! -z $1 ]]; then
echo -e "\\e[0Ksection_start:`date +%s`:nix_deps[collapsed=true]\\r\\e[0KFetching Nix dependencies for job"
nix build .#$1
source $(readlink -f result)
echo -e "\\e[0Ksection_end:`date +%s`:nix_deps\\r\\e[0K"
fi
echo -e "\\e[0Ksection_end:`date +%s`:nix_setup\\r\\e[0K"