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linux/debian/linux-perf.preinst

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#!/bin/sh
set -e
old_version_suffix=$(printf '%s' "$2" | sed -En 's/^([0-9]+\.[0-9]+).*/\1/p')
if [ -n "${old_version_suffix}" ] ; then
dpkg-maintscript-helper symlink_to_dir \
/usr/share/doc/linux-perf "linux-perf-${old_version_suffix}" '5.16~rc8-1~exp1' linux-perf -- "$@"
fi
unset old_version_suffix
case "$1" in
install | upgrade )
for wrapper in \
/usr/bin/perf \
/usr/share/bash-completion/completions/perf \
/usr/share/man/man1/perf.1.gz \
; do
diversion="${wrapper%/perf*}/perf.wrapper${wrapper#*/perf}"
dpkg-divert --package linux-perf --divert "${diversion}" --rename --add "${wrapper}"
done ; unset wrapper diversion
;;
esac
#DEBHELPER#