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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 1.17 2012/10/30 21:29:32 mgorny Exp $ |
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|
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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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|
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case ${EAPI:-0} in |
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0|1|2|3|4|5) ;; |
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*) die "${ECLASS}.eclass API in EAPI ${EAPI} not yet established." |
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esac |
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|
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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 /usr/lib/systemd/system |
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} |
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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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|
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echo "${EPREFIX}$(_systemd_get_unitdir)" |
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} |
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|
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# @FUNCTION: systemd_get_utildir |
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# @DESCRIPTION: |
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# Output the path for the systemd utility directory (not including |
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# ${D}). This function always succeeds, even if systemd is not |
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# installed. |
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systemd_get_utildir() { |
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has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX= |
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debug-print-function ${FUNCNAME} "${@}" |
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|
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echo "${EPREFIX}/usr/lib/systemd" |
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} |
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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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( |
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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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|
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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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( |
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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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|
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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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|
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for f; do |
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[[ ${f} == *.conf ]] \ |
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|| die 'tmpfiles.d files need to have .conf suffix.' |
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done |
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|
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( |
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insinto /usr/lib/tmpfiles.d/ |
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doins "${@}" |
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) |
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} |
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|
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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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|
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[[ ${2} == *.conf ]] \ |
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|| die 'tmpfiles.d files need to have .conf suffix.' |
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|
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( |
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insinto /usr/lib/tmpfiles.d/ |
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newins "${@}" |
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) |
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} |
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|
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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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|
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[[ ${#} -eq 2 ]] || die "Synopsis: systemd_enable_service target service" |
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|
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local target=${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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|
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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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|
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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=${1:-systemdsystemunitdir} |
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|
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echo --with-${optname}="$(systemd_get_unitdir)" |
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} |
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|
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# @FUNCTION: systemd_with_utildir |
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# @DESCRIPTION: |
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# Output '--with-systemdsystemutildir' as used by some packages to install |
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# systemd helpers. This function always succeeds. Its output may be quoted |
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# in order to preserve whitespace in paths. |
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systemd_with_utildir() { |
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debug-print-function ${FUNCNAME} "${@}" |
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|
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echo --with-systemdutildir="$(systemd_get_utildir)" |
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} |
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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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|
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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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