Shell script demonstrating this bug

auto.sh (text/plain), 479 bytes, created by Roland Bär on 2005-02-03 01:51:33 UTC

#!/bin/sh 

export TERM=dumb #To get the color escape sequences away

#Explicitly emerge autoconf-wrapper to be in a sane state for testing
emerge autoconf-wrapper-2

#New version install
emerge =autoconf-2.59-r6
etcat -v autoconf
qpkg -f /usr/bin/autoconf

#Downgrade
emerge =autoconf-2.59-r5
qpkg -f /usr/bin/autoconf

#Upgrade again
emerge =autoconf-2.59-r6
qpkg -f /usr/bin/autoconf

if [ ! -f /usr/bin/autoconf ] ; then
	echo "Broken, /usr/bin/autoconf has disappeared"
fi