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# Copyright 2021-2022 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
# QA check: ensure that packages installing udev rules inherit the eclass
# Maintainer: Sam James <sam@gentoo.org>
# Implements three checks:
# 1) Installation to /etc/udev/rules.d (which is a user-customization location);
# 2) Installation of any udev rules to /lib/udev/rules.d without inheriting the eclass
# (needed for udev_reload in pkg_postinst);
# 3) Check for installation of udev rules without calling udev_reload in
# pkg_postinst.
udev_rules_check() {
# Check 1
# Scan image for files in /etc/udev/rules.d which is a forbidden location
# (We use this glob to avoid triggering on keepdir)
shopt -s nullglob
local files=( "${ED}"/etc/udev/rules.d/* )
shopt -u nullglob
if [[ ${#files[@]} -gt 0 ]]; then
eqawarn "QA Notice: files installed to /etc/udev/rules.d found"
eqawarn "udev rules files supplied by ebuilds must be installed to /lib/udev/rules.d/"
fi
# Check 2
# We're now going to check for whether we install files to /lib/udev/rules.d/ without
# inheriting the eclass (weak catch for ebuilds not calling udev_reload in pkg_postinst)
if [[ -n ${UDEV_OPTIONAL} ]] ; then
# While imperfect, using ${UDEV_OPTIONAL} is good enough to allow opting out
# for e.g. sys-apps/portage, sys-apps/systemd, sys-libs/pam, etc. We may want
# a better/more standardised way to opt out from QA checks in future.
# It's okay for some packages to do this because of circular dependencies and such
# See: https://archives.gentoo.org/gentoo-dev/message/0a96793036a4fdd9ac311a46950d7e7b
return
fi
if [[ -d "${ED}"/lib/udev/rules.d/ ]] ; then
if ! has udev ${INHERITED} ; then
eqawarn "QA Notice: package is installing udev rules without inheriting udev.eclass!"
eqawarn "Packages must inherit udev.eclass then call udev_reload in pkg_postinst."
return
fi
# Check 3
# Check whether we're installing udev rules without explicitly
# calling udev_reload in pkg_postinst, but we have inherited
# the eclass.
# Small risk of false positives if called indirectly.
# See: https://archives.gentoo.org/gentoo-dev/message/7bdfdc9a7560fd07436defd0253af0b8
local pkg_postinst_body="$(declare -fp pkg_postinst 2>&1)"
if [[ ! ${pkg_postinst_body} == *udev_reload* ]] ; then
eqawarn "QA Notice: package is installing udev rules without calling"
eqawarn "udev_reload in pkg_postinst phase"
fi
local pkg_postrm_body="$(declare -fp pkg_postrm 2>&1)"
if [[ ! ${pkg_postrm_body} == *udev_reload* ]] ; then
eqawarn "QA Notice: package is installing udev rules without calling"
eqawarn "udev_reload in pkg_postrm phase"
fi
fi
}
udev_rules_check
: # guarantee successful exit
# vim:ft=sh
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