+forcecompressor() {
+ COMPRESSOR="$1"
+ COMPRESSOR_CMD="$1"
+ case $COMPRESSOR in
+ gzip) COMPRESS='gz';;
+ bzip2) COMPRESS='bz2';;
+ lzma) COMPRESS='lzma';;
+ xz) COMPRESS='xz';;
+ *) msgdie "Compressor $COMPRESSOR is unknown to framework, so can't be forced by forcecompressor!";;
+ esac
+ local CONFFILE="${TMPWORKINGDIRECTORY}/rootdir/etc/apt/apt.conf.d/00force-compressor"
+ echo "Acquire::CompressionTypes::Order { \"${COMPRESS}\"; };
+Dir::Bin::uncompressed \"/does/not/exist\";
+Dir::Bin::gzip \"/does/not/exist\";
+Dir::Bin::bzip2 \"/does/not/exist\";
+Dir::Bin::lzma \"/does/not/exist\";
+Dir::Bin::xz \"/does/not/exist\";" > "$CONFFILE"
+ if [ -e "/bin/${COMPRESSOR}" ]; then
+ echo "Dir::Bin::${COMPRESSOR} \"/bin/${COMPRESSOR}\";" >> "$CONFFILE"
+ elif [ -e "/usr/bin/${COMPRESSOR}" ]; then
+ echo "Dir::Bin::${COMPRESSOR} \"/usr/bin/${COMPRESSOR}\";" >> "$CONFFILE"
+ elif [ "${COMPRESSOR}" = 'lzma' ]; then
+ echo 'Dir::Bin::xz "/usr/bin/xz";' >> "$CONFFILE"
+ COMPRESSOR_CMD='xz --format=lzma'
+ else
+ msgtest 'Test for availability of compressor' "${COMPRESSOR}"
+ msgfail
+ fi
+}
+