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pre_install() {
:
}
post_install() {
grep -qle '/usr/bin/bashc$' '/etc/shells' || echo '/usr/bin/bashc' >> '/etc/shells'
#mandb -q
}
pre_upgrade() {
:
}
post_upgrade() {
post_install
}
pre_remove() {
# This is only necessary on alternate shells. sh and bash
# are at the base of Arch and cannot be removed.
# To test this you should have a spare root shell already open.
# Otherwise, if this doesn't work, you will need to learn how to bypass
# the default shell on login.
# http://stackoverflow.com/questions/11059067/what-is-the-nix-command-to-view-a-users-default-login-shell
if getent passwd root | cut -d: -f7 | grep -qle '/usr/bin/bashc'; then
echo '**********************************************'
echo '*** Warning: ROOT HAS bashc as the login shell.'
echo '*** Shell changed to sh to prevent loss of root access.'
echo '**********************************************'
# sh is more likely to guarantee a login than bash because sh is typically
# unmodified. Crappy, but guaranteed.
chsh -s '/bin/sh'
fi
sed -i -e '/^\/usr\/bin\/bashc$/d' '/etc/shells'
}
post_remove() {
#mandb -q
if getent passwd | cut -d: -f7 | grep -qle '/usr/bin/bashc'; then
echo '*** Warning: Some users have bashc as their login shell.'
echo '*** Fix promptly to restore access.'
fi
}
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