97 lines
2.7 KiB
Bash
Executable File
97 lines
2.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -e
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function log() { echo "$@" 1>&2; }
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# helpers for getting related paths in Nix store
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function getSources() { nix-store --query --binding src "${1}"; }
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function getOutputs() { nix-store --query --outputs "${1}"; }
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function getDrvFiles() { nix-store --query --deriver "${1}"; }
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function getReferrers() { nix-store --query --referrers "${1}"; }
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function getRoots() { nix-store --query --roots "${1}"; }
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function findRelated() {
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path="${1}"
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found+=("${path}")
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if [[ "${path}" =~ .*.chroot ]]; then
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log " ! Chroot: ${path}"
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return
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elif [[ "${path}" =~ .*.lock ]]; then
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log " ! Lock: ${path}"
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return
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elif [[ "${path}" =~ .*status-react-shell.drv ]]; then
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echo -n "${path}"
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return
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fi
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log " ? Checking: ${path}"
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drv=$(getDrvFiles "${path}")
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# if drv is unknown-deriver then path is a source
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if [[ "${drv}" == "unknown-deriver" ]]; then
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drv=$(getReferrers "${path}" | head -n1)
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src="${path}"
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elif [[ -f "${drv}" ]]; then
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src=$(getSources "${drv}")
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fi
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# empty paths means this is a source
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if [[ -z "${drv}" ]]; then
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echo -n "${src}"
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return
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fi
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if [[ $(getRoots "${drv}" | wc -l) -eq 0 ]]; then
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log " - Derivation: ${drv}"
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log " - Source: ${src}"
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found+=("${drv}" "${src}")
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fi
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printf '%s\n' "${found[@]}"
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}
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# used to find things to delete based on a regex
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function findByRegex() {
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regex="${1}"
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log "Searching by regex: '${regex}'"
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# search for matching entries in the store
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drvPaths=$(
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nix-store --gc --print-dead 2> /dev/null | grep -E "${regex}"
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)
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# list of store entries to delete
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declare -a found
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# for each entry find the source and derivation
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for mainPath in ${drvPaths}; do
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findRelated "${mainPath}"
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done
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}
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# used to find things to delete based on a given path
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function findByResult() {
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mainPath="${1}"
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log "Searching by result: '${mainPath}'"
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# list of store entries to delete
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declare -a found
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findRelated "${mainPath}"
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}
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log "Cleanup of /nix/store..."
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# This is an optional CLI argument
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nixResultPath="${1}"
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if [[ -n "${nixResultPath}" ]]; then
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# if provided we can narrow down what to clean based on result path
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toDelete=$(findByResult "${nixResultPath}")
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else
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# use regular expression that should match all status-react build artifacts
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toDelete=$(findByRegex '.*-status-react-(shell|source|build|patched-npm-gradle-modules).*')
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fi
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# remove duplicates and return
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toDelete=$(printf '%s\n' "${toDelete[@]}" | sort | uniq)
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log "Deleting..."
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nix-store --ignore-liveness --delete ${toDelete[@]}
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