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chore(scripts): improve cache strategy handling, see #21

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technofab 2025-03-22 21:50:33 +01:00
parent 1e978a3edf
commit d734853223
3 changed files with 17 additions and 3 deletions
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4
scripts/finalize_nix_ci.sh
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@ -6,6 +6,10 @@ echo -e "\\e[0Ksection_start:`date +%s`:finalize_nix_ci[collapsed=true]\\r\\e[0K
/tmp/nix-store-before /tmp/nix-store-after)
COUNT=$(${pkgs.busybox}/bin/wc -l <<<"$NEW_PATHS")
if [[ "$NIX_CI_CACHE_STRATEGY" == "auto" ]]; then
export NIX_CI_CACHE_STRATEGY="${NIX_CI_RUNNER_CACHE_STRATEGY:-${NIX_CI_DEFAULT_CACHE_STRATEGY:-none}}";
fi
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 | {

5
scripts/setup_nix_ci.sh
View file

@ -1,6 +1,11 @@
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

11
templates/nix-gitlab-ci.yml
View file

@ -3,9 +3,14 @@ spec:
cache_strategy:
type: string
description: |
(empty for auto) | none | runner | cachix | attic
Sets the default strategy and will be overridden by $NIX_CI_CACHE_STRATEGY
default: "none"
auto (default) | none | runner | cachix | attic
Sets the default caching strategy.
- "auto": dynamically selects the best strategy for every job based on env variables
- "none": disables caching
- "runner", "cachix" & "attic": forces every job to use this strategy
Can be overridden by setting NIX_CI_CACHE_STRATEGY in the pipeline variables.
default: "auto"
cache_files:
type: array
description: |