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#!/bin/bash
# Free disk space on Linux GitHub action runners
# Script inspired by https://github.com/jlumbroso/free-disk-space
# print a line of the specified character
printSeparationLine() {
for ((i = 0; i < 80; i++)); do
printf "%s" "$1"
done
printf "\n"
}
# compute available space
# REF: https://unix.stackexchange.com/a/42049/60849
# REF: https://stackoverflow.com/a/450821/408734
getAvailableSpace() { echo $(df -a | awk 'NR > 1 {avail+=$4} END {print avail}'); }
# make Kb human readable (assume the input is Kb)
# REF: https://unix.stackexchange.com/a/44087/60849
formatByteCount() { echo $(numfmt --to=iec-i --suffix=B --padding=7 $1'000'); }
# macro to output saved space
printSavedSpace() {
# Disk space before the operation
local before=${1}
local title=${2:-}
local after
after=$(getAvailableSpace)
local saved=$((after - before))
echo ""
printSeparationLine "*"
if [ -n "${title}" ]; then
echo "=> ${title}: Saved $(formatByteCount "$saved")"
else
echo "=> Saved $(formatByteCount "$saved")"
fi
printSeparationLine "*"
echo ""
}
# macro to print output of df with caption
printDF() {
local caption=${1}
printSeparationLine "="
echo "${caption}"
echo ""
echo "$ df -h"
echo ""
df -h
printSeparationLine "="
}
removeDir() {
dir=${1}
local before
before=$(getAvailableSpace)
sudo rm -rf "$dir" || true
printSavedSpace "$before" "$dir"
}
execAndMeasureSpaceChange() {
local operation=${1} # Function to execute
local title=${2}
local before
before=$(getAvailableSpace)
$operation
printSavedSpace "$before" "$title"
}
# Remove large packages
# REF: https://github.com/apache/flink/blob/master/tools/azure-pipelines/free_disk_space.sh
cleanPackages() {
sudo apt-get -qq remove -y --fix-missing \
'^aspnetcore-.*' \
'^dotnet-.*' \
'^llvm-.*' \
'php.*' \
'^mongodb-.*' \
'^mysql-.*' \
'azure-cli' \
'google-chrome-stable' \
'firefox' \
'powershell' \
'mono-devel' \
'libgl1-mesa-dri' \
'google-cloud-sdk' \
'google-cloud-cli'
sudo apt-get autoremove -y || echo "::warning::The command [sudo apt-get autoremove -y] failed"
sudo apt-get clean || echo "::warning::The command [sudo apt-get clean] failed failed"
}
# Remove Docker images
cleanDocker() {
echo "Removing the following docker images:"
sudo docker image ls
echo "Removing docker images..."
sudo docker image prune --all --force || true
}
# Remove Swap storage
cleanSwap() {
sudo swapoff -a || true
sudo rm -rf /mnt/swapfile || true
free -h
}
# Display initial disk space stats
AVAILABLE_INITIAL=$(getAvailableSpace)
printDF "BEFORE CLEAN-UP:"
echo ""
removeDir /usr/local/lib/android
removeDir /usr/share/dotnet
# Haskell runtime
removeDir /opt/ghc
removeDir /usr/local/.ghcup
execAndMeasureSpaceChange cleanPackages "Large misc. packages"
execAndMeasureSpaceChange cleanDocker "Docker images"
execAndMeasureSpaceChange cleanSwap "Swap storage"
# Output saved space statistic
echo ""
printDF "AFTER CLEAN-UP:"
echo ""
echo ""
printSavedSpace "$AVAILABLE_INITIAL" "Total saved"
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