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refactor(flake): move setup and finalize script to separate files

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technofab 2025-03-22 21:48:54 +01:00
parent 62e465c094
commit 1e978a3edf
3 changed files with 83 additions and 82 deletions
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84
flake.nix
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@ -88,88 +88,8 @@
};
packages = let
setupScript = pkgs.writeShellScriptBin "setup_nix_ci" ''
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 [ -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 $(readlink -f result)
echo -e "\\e[0Ksection_end:`date +%s`:nix_deps\\r\\e[0K"
fi
echo -e "\\e[0Ksection_end:`date +%s`:nix_setup\\r\\e[0K"
'';
finalizeScript = pkgs.writeShellScriptBin "finalize_nix_ci" ''
echo -e "\\e[0Ksection_start:`date +%s`:finalize_nix_ci[collapsed=true]\\r\\e[0KFinalizing Nix CI..."
nix path-info --all > /tmp/nix-store-after
echo "Finding new paths..."
NEW_PATHS=$(${pkgs.diffutils}/bin/diff --new-line-format="%L" \
--old-line-format="" --unchanged-line-format="" \
/tmp/nix-store-before /tmp/nix-store-after)
COUNT=$(${pkgs.busybox}/bin/wc -l <<<"$NEW_PATHS")
if [ -z "$NIX_CI_DISABLE_CACHE" ]; then
echo -e "\\e[0Ksection_start:`date +%s`:cache_push[collapsed=true]\\r\\e[0KPushing $COUNT new store paths to cache ($NIX_CI_CACHE_STRATEGY)"
echo $NEW_PATHS | {
case "$NIX_CI_CACHE_STRATEGY" in
"runner")
export RUNNER_CACHE=''${RUNNER_CACHE:-"file://$(pwd)/.nix-cache"}
# add ^* to all store paths ending in .drv (prevent warning log spam)
${pkgs.gnused}/bin/sed '/\.drv$/s/$/^*/' | nix copy --quiet --to "$RUNNER_CACHE" --stdin || true
;;
"attic")
attic push --stdin ci:$ATTIC_CACHE || true
;;
"cachix")
cachix push $CACHIX_CACHE || true
;;
"none")
echo "Cache strategy is none, doing nothing..."
;;
*)
echo "WARNING: Invalid cache strategy set: '$NIX_CI_CACHE_STRATEGY'"
;;
esac
}
echo -e "\\e[0Ksection_end:`date +%s`:cache_push\\r\\e[0K"
else
echo "Caching disabled, not uploading $COUNT new store entries..."
fi
echo -e "\\e[0Ksection_end:`date +%s`:finalize_nix_ci\\r\\e[0K"
'';
setupScript = pkgs.writeShellScriptBin "setup_nix_ci" (builtins.readFile ./scripts/setup_nix_ci.sh);
finalizeScript = pkgs.writeShellScriptBin "finalize_nix_ci" (builtins.readFile ./scripts/finalize_nix_ci.sh);
in {
setup-script = setupScript;
finalize-script = finalizeScript;