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#!/bin/sh
set -e

slave () {
	dir=$1 filename=$2 target=$3
	echo "--slave $dir/$filename $filename $dir/$target"
}

update-alternatives --install /usr/bin/lzma lzma /usr/bin/xz 20 $(
	slave /usr/share/man/man1 lzma.1.gz xz.1.gz
	slave /usr/bin unlzma unxz
	slave /usr/share/man/man1 unlzma.1.gz unxz.1.gz
	for util in cat more less diff cmp grep egrep fgrep
	do
		slave /usr/bin lz$util xz$util
		slave /usr/share/man/man1 lz$util.1.gz xz$util.1.gz
	done
)