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# Copyright 1999-2012 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/systemd.eclass,v 1.13 2012/08/27 21:54:19 mgorny Exp $
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# @ECLASS: systemd.eclass
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# @MAINTAINER:
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# mgorny@gentoo.org
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# @BLURB: helper functions to install systemd units
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# @DESCRIPTION:
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# This eclass provides a set of functions to install unit files for
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# sys-apps/systemd within ebuilds.
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# @EXAMPLE:
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#
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# @CODE
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# inherit autotools-utils systemd
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#
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# src_configure() {
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# local myeconfargs=(
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# --enable-foo
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# --disable-bar
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# )
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#
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# systemd_to_myeconfargs
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# autotools-utils_src_configure
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# }
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# @CODE
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case ${EAPI:-0} in
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0|1|2|3|4) ;;
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*) die "${ECLASS}.eclass API in EAPI ${EAPI} not yet established."
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esac
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# @FUNCTION: _systemd_get_unitdir
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# @INTERNAL
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# @DESCRIPTION:
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# Get unprefixed unitdir.
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_systemd_get_unitdir() {
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echo -n /usr/lib/systemd/system
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}
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# @FUNCTION: systemd_get_unitdir
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# @DESCRIPTION:
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# Output the path for the systemd unit directory (not including ${D}).
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# This function always succeeds, even if systemd is not installed.
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systemd_get_unitdir() {
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has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
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debug-print-function ${FUNCNAME} "${@}"
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echo -n "${EPREFIX}$(_systemd_get_unitdir)"
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}
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# @FUNCTION: systemd_dounit
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# @USAGE: unit1 [...]
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# @DESCRIPTION:
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# Install systemd unit(s). Uses doins, thus it is fatal in EAPI 4
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# and non-fatal in earlier EAPIs.
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systemd_dounit() {
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debug-print-function ${FUNCNAME} "${@}"
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(
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insinto "$(_systemd_get_unitdir)"
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doins "${@}"
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)
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}
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# @FUNCTION: systemd_newunit
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# @USAGE: oldname newname
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# @DESCRIPTION:
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# Install systemd unit with a new name. Uses newins, thus it is fatal
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# in EAPI 4 and non-fatal in earlier EAPIs.
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systemd_newunit() {
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debug-print-function ${FUNCNAME} "${@}"
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(
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insinto "$(_systemd_get_unitdir)"
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newins "${@}"
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)
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}
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# @FUNCTION: systemd_dotmpfilesd
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# @USAGE: tmpfilesd1 [...]
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# @DESCRIPTION:
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# Install systemd tmpfiles.d files. Uses doins, thus it is fatal
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# in EAPI 4 and non-fatal in earlier EAPIs.
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systemd_dotmpfilesd() {
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debug-print-function ${FUNCNAME} "${@}"
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for f; do
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[[ ${f} == *.conf ]] \
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|| die 'tmpfiles.d files need to have .conf suffix.'
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done
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(
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insinto /usr/lib/tmpfiles.d/
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doins "${@}"
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)
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}
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# @FUNCTION: systemd_newtmpfilesd
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# @USAGE: oldname newname.conf
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# @DESCRIPTION:
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# Install systemd tmpfiles.d file under a new name. Uses newins, thus it
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# is fatal in EAPI 4 and non-fatal in earlier EAPIs.
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systemd_newtmpfilesd() {
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debug-print-function ${FUNCNAME} "${@}"
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[[ ${2} == *.conf ]] \
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|| die 'tmpfiles.d files need to have .conf suffix.'
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(
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insinto /usr/lib/tmpfiles.d/
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newins "${@}"
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)
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}
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# @FUNCTION: systemd_enable_service
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# @USAGE: target service
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# @DESCRIPTION:
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# Enable service in desired target, e.g. install a symlink for it.
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# Uses dosym, thus it is fatal in EAPI 4 and non-fatal in earlier
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# EAPIs.
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systemd_enable_service() {
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debug-print-function ${FUNCNAME} "${@}"
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[[ ${#} -eq 2 ]] || die "Synopsis: systemd_enable_service target service"
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local target=${1}
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local service=${2}
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local ud=$(_systemd_get_unitdir)
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local destname=$(basename "${service}")
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dodir "${ud}"/"${target}".wants && \
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dosym ../"${service}" "${ud}"/"${target}".wants/"${destname}"
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}
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# @FUNCTION: systemd_with_unitdir
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# @USAGE: [configure option]
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# @DESCRIPTION:
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# Output '--with-systemdsystemunitdir' as expected by systemd-aware configure
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# scripts. This function always succeeds. Its output may be quoted in order
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# to preserve whitespace in paths. systemd_to_myeconfargs() is preferred over
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# this function.
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#
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# If upstream does use invalid configure option to handle installing systemd
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# units (e.g. `--with-systemdunitdir'), you can pass the 'suffix' as an optional
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# argument to this function (`$(systemd_with_unitdir systemdunitdir)'). Please
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# remember to report a bug upstream as well.
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systemd_with_unitdir() {
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debug-print-function ${FUNCNAME} "${@}"
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local optname=${1:-systemdsystemunitdir}
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echo -n --with-${optname}="$(systemd_get_unitdir)"
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}
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# @FUNCTION: systemd_to_myeconfargs
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# @DESCRIPTION:
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# Add '--with-systemdsystemunitdir' as expected by systemd-aware configure
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# scripts to the myeconfargs variable used by autotools-utils eclass. Handles
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# quoting automatically.
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systemd_to_myeconfargs() {
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debug-print-function ${FUNCNAME} "${@}"
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myeconfargs=(
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"${myeconfargs[@]}"
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--with-systemdsystemunitdir="$(systemd_get_unitdir)"
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)
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}
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