File sysusers-generate-pre of Package sysuser-tools

#!/bin/bash
# pass systemd sysusers config files a as argument to this script.
# It will output a shell script that creates those users by
# appending the data to itself.

tmpfile=`mktemp -q -t sysusers.XXXXXX`
cleanup()
{
	rm -f "$tmpfile"
}

trap cleanup EXIT

for i in "$@"; do
	grep -e '^[ugmr]' "$i" >> "$tmpfile"
done

lines=`wc -l < "$tmpfile"`

echo '#!/bin/bash'
echo "tail -n $lines \$0 | /usr/bin/systemd-sysusers - || :"
echo "exit 0"
echo '######## data below ########'
cat "$tmpfile"
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