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post_install() { grep -qx /bin/mksh /etc/shells || echo /bin/mksh >>/etc/shells grep -qx /usr/bin/mksh /etc/shells || echo /usr/bin/mksh >>/etc/shells } post_upgrade() { post_install } post_remove() { sed -i -r '/^(\/usr)?\/bin\/mksh$/d' etc/shells } # vim:set ts=2 sw=2 et: