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# Copyright 1999-2011 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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# $Header: /var/cvsroot/gentoo-x86/eclass/cron.eclass,v 1.14 2011/04/26 11:37:37 ulm Exp $
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# @ECLASS: cron
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# @MAINTAINER:
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# cron-bugs@gentoo.org
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# @AUTHOR:
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# Original Author: Aaron Walker <ka0ttic@gentoo.org>
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# @BLURB: Some functions for cron
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# @DESCRIPTION:
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# Purpose: The main motivation for this eclass was to simplify
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# the jungle known as src_install() in cron ebuilds. Using these
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# functions also ensures that permissions are *always* reset,
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# preventing the accidental installation of files with wrong perms.
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#
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# NOTE on defaults: the default settings in the below functions were
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# chosen based on the most common setting among cron ebuilds.
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#
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# Please assign any bugs regarding this eclass to cron-bugs@gentoo.org.
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inherit eutils flag-o-matic
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EXPORT_FUNCTIONS pkg_postinst
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SLOT="0"
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DEPEND=">=sys-apps/sed-4.0.5"
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RDEPEND="virtual/mta
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>=sys-process/cronbase-0.3.2"
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for pn in vixie-cron bcron cronie dcron fcron; do
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[[ ${pn} == "${PN}" ]] || RDEPEND="${RDEPEND} !sys-process/${pn}"
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done
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# @FUNCTION: docrondir
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# @USAGE: [ dir ] [ perms ]
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# @DESCRIPTION:
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# Creates crontab directory
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#
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# Both arguments are optional. Everything after 'dir' is considered
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# the permissions (same format as insopts).
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#
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# ex: docrondir /some/dir -m 0770 -o root -g cron
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# docrondir /some/dir (uses default perms)
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# docrondir -m0700 (uses default dir)
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docrondir() {
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# defaults
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local perms="-m0750 -o root -g cron" dir="/var/spool/cron/crontabs"
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if [[ -n $1 ]] ; then
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case "$1" in
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*/*)
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dir=$1
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shift
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[[ -n $1 ]] && perms="$@"
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;;
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*)
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perms="$@"
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;;
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esac
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fi
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diropts ${perms}
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keepdir ${dir}
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# reset perms to default
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diropts -m0755
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}
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# @FUNCTION: docron
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# @USAGE: [ exe ] [ perms ]
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# @DESCRIPTION:
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# Install cron executable
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#
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# Both arguments are optional.
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#
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# ex: docron -m 0700 -o root -g root ('exe' defaults to "cron")
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# docron crond -m 0110
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docron() {
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local cron="cron" perms="-m 0750 -o root -g wheel"
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if [[ -n $1 ]] ; then
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case "$1" in
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-*)
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perms="$@"
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;;
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*)
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cron=$1
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shift
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[[ -n $1 ]] && perms="$@"
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;;
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esac
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fi
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exeopts ${perms}
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exeinto /usr/sbin
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doexe ${cron} || die "failed to install ${cron}"
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# reset perms to default
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exeopts -m0755
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}
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# @FUNCTION: docrontab
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# @USAGE: [ exe ] [ perms ]
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# @DESCRIPTION:
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# Install crontab executable
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#
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# Uses same semantics as docron.
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docrontab() {
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local crontab="crontab" perms="-m 4750 -o root -g cron"
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if [[ -n $1 ]] ; then
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case "$1" in
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-*)
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perms="$@"
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;;
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*)
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crontab=$1
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shift
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[[ -n $1 ]] && perms="$@"
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;;
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esac
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fi
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exeopts ${perms}
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exeinto /usr/bin
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doexe ${crontab} || die "failed to install ${crontab}"
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# reset perms to default
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exeopts -m0755
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# users expect /usr/bin/crontab to exist...
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if [[ "${crontab##*/}" != "crontab" ]] ; then
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dosym ${crontab##*/} /usr/bin/crontab || \
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die "failed to create /usr/bin/crontab symlink"
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fi
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}
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# @FUNCTION: cron_pkg_postinst
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# @DESCRIPTION:
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# Outputs a message about system crontabs
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# daemons that have a true system crontab set CRON_SYSTEM_CRONTAB="yes"
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cron_pkg_postinst() {
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echo
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# daemons that have a true system crontab set CRON_SYSTEM_CRONTAB="yes"
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if [ "${CRON_SYSTEM_CRONTAB:-no}" != "yes" ] ; then
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einfo "To activate /etc/cron.{hourly|daily|weekly|monthly} please run:"
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einfo " crontab /etc/crontab"
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einfo
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einfo "!!! That will replace root's current crontab !!!"
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einfo
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fi
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einfo "You may wish to read the Gentoo Linux Cron Guide, which can be"
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einfo "found online at:"
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einfo " http://www.gentoo.org/doc/en/cron-guide.xml"
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echo
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}
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