set -euo pipefail IFS=$'\t\n' echo 'C:\msys64\ucrt64\bin' >> tmp echo 'C:\msys64\usr\bin' >> tmp cat $GITHUB_PATH >> tmp mv tmp $GITHUB_PATH echo "MSYSTEM=UCRT64" >> $GITHUB_ENV echo "PKG_CONFIG="'C:\msys64\ucrt64\bin\pkg-config.exe' >> $GITHUB_ENV