status-react/nix/clean.sh

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#!/usr/bin/env bash
set -e
function getSources() {
nix-store --query --binding src "${1}"
}
function getOutputs() {
nix-store --query --outputs "${1}"
}
function getDrvFiles() {
nix-store --query --deriver "${1}"
}
function getReferrers() {
nix-store --query --referrers "${1}"
}
# list of store entries to delete
declare -a toDelete
echo "Cleanup of /nix/store after build..."
# regular expression that should match all status-react build artifacts
searchRegex='.*-status-react-(shell|source|build).*'
# search for matching entries in the store
drvPaths=$(
find /nix/store -maxdepth 1 -type d -regextype egrep -regex "${searchRegex}"
)
# for each entry find the source and derivation
for path in ${drvPaths}; do
toDelete+=("${path}")
if [[ "${path}" =~ .*.chroot ]]; then
echo " ! Chroot: ${path}"
continue
fi
echo " ? Checking: ${path}"
drv=$(getDrvFiles "${path}")
# if drv is unknown-deriver then path is a source
if [[ "${drv}" == "unknown-deriver" ]]; then
drv=$(getReferrers "${path}")
src="${path}"
elif [[ -f "${drv}" ]]; then
src=$(getSources "${drv}")
fi
echo " - Derivation: ${drv}"
echo " - Source: ${src}"
toDelete+=("${drv}" "${src}")
done
# remove dupicates
cleanToDelete=$(echo "${toDelete[@]}" | sort | uniq)
echo "Deleting..."
nix-store --ignore-liveness --delete ${cleanToDelete[@]}