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# Copyright 1999-2005 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/webapp.eclass,v 1.30 2005/05/10 22:55:17 beu Exp $ |
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# |
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# eclass/webapp.eclass |
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# Eclass for installing applications to run under a web server |
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# |
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# Part of the implementation of GLEP #11 |
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# |
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# Author(s) Stuart Herbert <stuart@gentoo.org> |
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# Renat Lumpau <rl03@gentoo.org> |
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# Gunnar Wrobel <php@gunnarwrobel.org> |
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# |
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# ------------------------------------------------------------------------ |
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# |
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# The master copy of this eclass is held in our subversion repository. |
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# http://svn.gnqs.org/projects/vhost-tools/browser/ |
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# |
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# If you make changes to this file and don't tell us, chances are that |
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# your changes will be overwritten the next time we release a new version |
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# of webapp-config. |
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# |
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# ------------------------------------------------------------------------ |
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|
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SLOT="${PVR}" |
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IUSE="vhosts" |
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DEPEND="app-admin/webapp-config" |
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RDEPEND="${DEPEND}" |
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|
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EXPORT_FUNCTIONS pkg_postinst pkg_setup src_install pkg_prerm |
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|
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INSTALL_DIR="/${PN}" |
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IS_UPGRADE=0 |
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IS_REPLACE=0 |
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|
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INSTALL_CHECK_FILE="installed_by_webapp_eclass" |
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|
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ETC_CONFIG="${ROOT}/etc/vhosts/webapp-config" |
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WEBAPP_CONFIG="${ROOT}/usr/sbin/webapp-config" |
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|
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# ------------------------------------------------------------------------ |
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# INTERNAL FUNCTION - USED BY THIS ECLASS ONLY |
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# |
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# Load the config file /etc/vhosts/webapp-config |
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# |
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# Supports both the old bash version, and the new python version |
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# |
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# ------------------------------------------------------------------------ |
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|
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function webapp_read_config () |
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{ |
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if has_version '>=app-admin/webapp-config-1.50'; then |
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ENVVAR=$(${WEBAPP_CONFIG} --query ${PN} ${PVR}) || die "Could not read settings from webapp-config!" |
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eval ${ENVVAR} |
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else |
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. ${ETC_CONFIG} || die "Unable to read ${ETC_CONFIG}" |
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fi |
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} |
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|
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# ------------------------------------------------------------------------ |
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# INTERNAL FUNCTION - USED BY THIS ECLASS ONLY |
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# |
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# Check whether a specified file exists within the image/ directory |
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# or not. |
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# |
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# @param $1 - file to look for |
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# @param $2 - prefix directory to use |
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# @return 0 on success, never returns on an error |
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# ------------------------------------------------------------------------ |
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|
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function webapp_checkfileexists () |
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{ |
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local my_prefix |
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|
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[ -n "${2}" ] && my_prefix="${2}/" || my_prefix= |
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|
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if [ ! -e "${my_prefix}${1}" ]; then |
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msg="ebuild fault: file '${1}' not found" |
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eerror "$msg" |
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eerror "Please report this as a bug at http://bugs.gentoo.org/" |
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die "$msg" |
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fi |
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} |
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|
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# ------------------------------------------------------------------------ |
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# INTERNAL FUNCTION - USED BY THIS ECLASS ONLY |
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# ------------------------------------------------------------------------ |
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|
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function webapp_check_installedat |
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{ |
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local my_output |
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|
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${WEBAPP_CONFIG} --show-installed -h localhost -d "${INSTALL_DIR}" 2> /dev/null |
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} |
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|
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# ------------------------------------------------------------------------ |
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# INTERNAL FUNCTION - USED BY THIS ECLASS ONLY |
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# |
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# ------------------------------------------------------------------------ |
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|
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function webapp_strip_appdir () |
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{ |
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local my_stripped="${1}" |
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echo "${1}" | sed -e "s|${MY_APPDIR}/||g;" |
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} |
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|
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function webapp_strip_d () |
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{ |
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echo "${1}" | sed -e "s|${D}||g;" |
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} |
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|
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function webapp_strip_cwd () |
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{ |
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local my_stripped="${1}" |
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echo "${1}" | sed -e 's|/./|/|g;' |
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} |
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|
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# ------------------------------------------------------------------------ |
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# EXPORTED FUNCTION - FOR USE IN EBUILDS |
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# |
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# Identify a config file for a web-based application. |
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# |
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# @param $1 - config file |
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# ------------------------------------------------------------------------ |
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|
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function webapp_configfile () |
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{ |
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webapp_checkfileexists "${1}" "${D}" |
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|
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local MY_FILE="$(webapp_strip_appdir ${1})" |
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MY_FILE="$(webapp_strip_cwd ${MY_FILE})" |
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|
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einfo "(config) ${MY_FILE}" |
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echo "${MY_FILE}" >> ${D}/${WA_CONFIGLIST} |
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} |
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|
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# ------------------------------------------------------------------------ |
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# EXPORTED FUNCTION - FOR USE IN EBUILDS |
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# |
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# Install a script that will run after a virtual copy is created, and |
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# before a virtual copy has been removed |
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# |
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# @param $1 - the script to run |
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# ------------------------------------------------------------------------ |
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|
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function webapp_hook_script () |
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{ |
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webapp_checkfileexists "${1}" |
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|
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einfo "(hook) ${1}" |
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cp "${1}" "${D}/${MY_HOOKSCRIPTSDIR}/$(basename ${1})" || die "Unable to install ${1} into ${D}/${MY_HOOKSCRIPTSDIR}/" |
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chmod 555 "${D}/${MY_HOOKSCRIPTSDIR}/$(basename ${1})" |
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} |
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|
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# ------------------------------------------------------------------------ |
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# EXPORTED FUNCTION - FOR USE IN EBUILDS |
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# |
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# Install a text file containing post-installation instructions. |
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# |
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# @param $1 - language code (use 'en' for now) |
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# @param $2 - the file to install |
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# ------------------------------------------------------------------------ |
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|
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function webapp_postinst_txt () |
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{ |
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webapp_checkfileexists "${2}" |
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|
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einfo "(info) ${2} (lang: ${1})" |
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cp "${2}" "${D}/${MY_APPDIR}/postinst-${1}.txt" |
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} |
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|
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# ------------------------------------------------------------------------ |
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# EXPORTED FUNCTION - FOR USE IN EBUILDS |
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# |
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# Install a text file containing post-upgrade instructions. |
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# |
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# @param $1 - language code (use 'en' for now) |
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# @param $2 - the file to install |
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# ------------------------------------------------------------------------ |
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|
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function webapp_postupgrade_txt () |
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{ |
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webapp_checkfileexists "${2}" |
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|
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einfo "(info) ${2} (lang: ${1})" |
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cp "${2}" "${D}/${MY_APPDIR}/postupgrade-${1}.txt" |
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} |
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|
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# ------------------------------------------------------------------------ |
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# EXPORTED FUNCTION - FOR USE IN EBUILDS |
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# |
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# Identify a file which must be owned by the webserver's user:group |
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# settings. |
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# |
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# The ownership of the file is NOT set until the application is installed |
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# using the webapp-config tool. |
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# |
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# @param $1 - file to be owned by the webserver user:group combo |
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# |
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# ------------------------------------------------------------------------ |
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|
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function webapp_serverowned () |
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{ |
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webapp_checkfileexists "${1}" "$D" |
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local MY_FILE="$(webapp_strip_appdir ${1})" |
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MY_FILE="$(webapp_strip_cwd ${MY_FILE})" |
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|
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einfo "(server owned) ${MY_FILE}" |
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echo "${MY_FILE}" >> "${D}/${WA_SOLIST}" |
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} |
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|
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# ------------------------------------------------------------------------ |
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# EXPORTED FUNCTION - FOR USE IN EBUILDS |
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# |
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# @param $1 - the webserver to install the config file for |
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# (one of apache1, apache2, cherokee) |
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# @param $2 - the config file to install |
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# @param $3 - new name for the config file (default is `basename $2`) |
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# this is an optional parameter |
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# |
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# NOTE: |
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# this function will automagically prepend $1 to the front of your |
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# config file's name |
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# ------------------------------------------------------------------------ |
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|
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function webapp_server_configfile () |
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{ |
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webapp_checkfileexists "${2}" |
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|
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# sort out what the name will be of the config file |
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|
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local my_file |
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|
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if [ -z "${3}" ]; then |
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my_file="${1}-$(basename ${2})" |
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else |
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my_file="${1}-${3}" |
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fi |
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|
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# warning: |
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# |
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# do NOT change the naming convention used here without changing all |
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# the other scripts that also rely upon these names |
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|
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einfo "(${1}) config file '${my_file}'" |
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cp "${2}" "${D}/${MY_SERVERCONFIGDIR}/${my_file}" |
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} |
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|
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# ------------------------------------------------------------------------ |
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# EXPORTED FUNCTION - FOR USE IN EBUILDS |
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# |
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# @param $1 - the db engine that the script is for |
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# (one of: mysql|postgres) |
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# @param $2 - the sql script to be installed |
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# @param $3 - the older version of the app that this db script |
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# will upgrade from |
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# (do not pass this option if your SQL script only creates |
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# a new db from scratch) |
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# ------------------------------------------------------------------------ |
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|
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function webapp_sqlscript () |
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{ |
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webapp_checkfileexists "${2}" |
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|
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# create the directory where this script will go |
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# |
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# scripts for specific database engines go into their own subdirectory |
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# just to keep things readable on the filesystem |
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|
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if [ ! -d "${D}/${MY_SQLSCRIPTSDIR}/${1}" ]; then |
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mkdir -p "${D}/${MY_SQLSCRIPTSDIR}/${1}" || die "unable to create directory ${D}/${MY_SQLSCRIPTSDIR}/${1}" |
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fi |
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|
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# warning: |
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# |
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# do NOT change the naming convention used here without changing all |
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# the other scripts that also rely upon these names |
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|
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# are we dealing with an 'upgrade'-type script? |
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if [ -n "${3}" ]; then |
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# yes we are |
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einfo "(${1}) upgrade script from ${PN}-${PVR} to ${3}" |
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cp "${2}" "${D}${MY_SQLSCRIPTSDIR}/${1}/${3}_to_${PVR}.sql" |
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chmod 600 "${D}${MY_SQLSCRIPTSDIR}/${1}/${3}_to_${PVR}.sql" |
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else |
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# no, we are not |
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einfo "(${1}) create script for ${PN}-${PVR}" |
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cp "${2}" "${D}/${MY_SQLSCRIPTSDIR}/${1}/${PVR}_create.sql" |
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chmod 600 "${D}/${MY_SQLSCRIPTSDIR}/${1}/${PVR}_create.sql" |
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fi |
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} |
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|
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# ------------------------------------------------------------------------ |
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# EXPORTED FUNCTION - call from inside your ebuild's src_install AFTER |
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# everything else has run |
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# |
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# For now, we just make sure that root owns everything, and that there |
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# are no setuid files. |
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# ------------------------------------------------------------------------ |
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|
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function webapp_src_install () |
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{ |
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chown -R "${VHOST_DEFAULT_UID}:${VHOST_DEFAULT_GID}" "${D}/" |
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chmod -R u-s "${D}/" |
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chmod -R g-s "${D}/" |
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|
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keepdir "${MY_PERSISTDIR}" |
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fowners "root:root" "${MY_PERSISTDIR}" |
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fperms 755 "${MY_PERSISTDIR}" |
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|
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# to test whether or not the ebuild has correctly called this function |
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# we add an empty file to the filesystem |
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# |
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# we used to just set a variable in the shell script, but we can |
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# no longer rely on Portage calling both webapp_src_install() and |
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# webapp_pkg_postinst() within the same shell process |
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|
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touch "${D}/${MY_APPDIR}/${INSTALL_CHECK_FILE}" |
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} |
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|
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# ------------------------------------------------------------------------ |
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# EXPORTED FUNCTION - call from inside your ebuild's pkg_config AFTER |
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# everything else has run |
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# |
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# If 'vhosts' USE flag is not set, auto-install this app |
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# |
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# ------------------------------------------------------------------------ |
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|
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function webapp_pkg_setup () |
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{ |
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# add sanity checks here |
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|
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if [ "${SLOT}+" != "${PVR}+" ]; then |
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# special case - some ebuilds *do* need to overwride the SLOT |
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if [ "${WEBAPP_MANUAL_SLOT}" != "yes" ]; then |
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die "ebuild sets SLOT, overrides webapp.eclass" |
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else |
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ewarn |
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ewarn "This ebuild overrides the default SLOT behaviour for webapps" |
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ewarn "If this package installs files into the htdocs dir, this is" |
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ewarn "probably a bug in the ebuild." |
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ewarn |
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fi |
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fi |
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|
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# pull in the shared configuration file |
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|
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G_HOSTNAME="localhost" |
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webapp_read_config |
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|
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# are we installing a webapp-config solution over the top of a |
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# non-webapp-config solution? |
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|
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if ! use vhosts ; then |
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local my_dir="${ROOT}${VHOST_ROOT}/${MY_HTDOCSBASE}/${PN}" |
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local my_output |
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|
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if [ -d "${my_dir}" ] ; then |
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einfo "You already have something installed in ${my_dir}" |
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einfo "Are you trying to install over the top of something I cannot upgrade?" |
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|
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my_output="$(webapp_check_installedat)" |
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|
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if [ "$?" != "0" ]; then |
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|
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# okay, whatever is there, it isn't webapp-config-compatible |
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ewarn |
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ewarn "Whatever is in ${my_dir}, it's not" |
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ewarn "compatible with webapp-config." |
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ewarn |
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ewarn "This ebuild may be overwriting important files." |
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ewarn |
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elif [ "$(echo ${my_output} | awk '{ print $1 }')" != "${PN}" ]; then |
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eerror "${my_dir} contains ${my_output}" |
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eerror "I cannot upgrade that" |
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die "Cannot upgrade contents of ${my_dir}" |
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else |
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einfo |
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einfo "I can upgrade the contents of ${my_dir}" |
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einfo |
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fi |
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fi |
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fi |
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} |
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|
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function webapp_getinstalltype () |
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{ |
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# or are we upgrading? |
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|
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if ! use vhosts ; then |
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# we only run webapp-config if vhosts USE flag is not set |
| 392 |
|
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local my_output |
| 394 |
|
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my_output="$(webapp_check_installedat)" |
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|
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if [ "${?}" = "0" ] ; then |
| 398 |
# something is already installed there |
| 399 |
# |
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# make sure it isn't the same version |
| 401 |
|
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local my_pn="$(echo ${my_output} | awk '{ print $1 }')" |
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local my_pvr="$(echo ${my_output} | awk '{ print $2 }')" |
| 404 |
|
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REMOVE_PKG="${my_pn}-${my_pvr}" |
| 406 |
|
| 407 |
if [ "${my_pn}" == "${PN}" ]; then |
| 408 |
if [ "${my_pvr}" != "${PVR}" ]; then |
| 409 |
einfo "This is an upgrade" |
| 410 |
IS_UPGRADE=1 |
| 411 |
else |
| 412 |
einfo "This is a re-installation" |
| 413 |
IS_REPLACE=1 |
| 414 |
fi |
| 415 |
else |
| 416 |
einfo "${my_output} is installed there" |
| 417 |
fi |
| 418 |
else |
| 419 |
einfo "This is an installation" |
| 420 |
fi |
| 421 |
fi |
| 422 |
} |
| 423 |
|
| 424 |
function webapp_src_preinst () |
| 425 |
{ |
| 426 |
# create the directories that we need |
| 427 |
|
| 428 |
dodir "${MY_HTDOCSDIR}" |
| 429 |
dodir "${MY_HOSTROOTDIR}" |
| 430 |
dodir "${MY_CGIBINDIR}" |
| 431 |
dodir "${MY_ICONSDIR}" |
| 432 |
dodir "${MY_ERRORSDIR}" |
| 433 |
dodir "${MY_SQLSCRIPTSDIR}" |
| 434 |
dodir "${MY_HOOKSCRIPTSDIR}" |
| 435 |
dodir "${MY_SERVERCONFIGDIR}" |
| 436 |
} |
| 437 |
|
| 438 |
function webapp_pkg_postinst () |
| 439 |
{ |
| 440 |
webapp_read_config |
| 441 |
|
| 442 |
# sanity checks, to catch bugs in the ebuild |
| 443 |
|
| 444 |
if [ ! -f "${ROOT}${MY_APPDIR}/${INSTALL_CHECK_FILE}" ]; then |
| 445 |
eerror |
| 446 |
eerror "This ebuild did not call webapp_src_install() at the end" |
| 447 |
eerror "of the src_install() function" |
| 448 |
eerror |
| 449 |
eerror "Please log a bug on http://bugs.gentoo.org" |
| 450 |
eerror |
| 451 |
eerror "You should use emerge -C to remove this package, as the" |
| 452 |
eerror "installation is incomplete" |
| 453 |
eerror |
| 454 |
die "Ebuild did not call webapp_src_install() - report to http://bugs.gentoo.org" |
| 455 |
fi |
| 456 |
|
| 457 |
# if 'vhosts' is not set in your USE flags, we install a copy of |
| 458 |
# this application in ${ROOT}/var/www/localhost/htdocs/${PN}/ for you |
| 459 |
|
| 460 |
if ! use vhosts ; then |
| 461 |
echo |
| 462 |
einfo "vhosts USE flag not set - auto-installing using webapp-config" |
| 463 |
|
| 464 |
webapp_getinstalltype |
| 465 |
|
| 466 |
G_HOSTNAME="localhost" |
| 467 |
local my_mode=-I |
| 468 |
webapp_read_config |
| 469 |
|
| 470 |
if [ "${IS_REPLACE}" = "1" ]; then |
| 471 |
einfo "${PN}-${PVR} is already installed - replacing" |
| 472 |
my_mode=-I |
| 473 |
elif [ "${IS_UPGRADE}" = "1" ]; then |
| 474 |
einfo "${REMOVE_PKG} is already installed - upgrading" |
| 475 |
my_mode=-U |
| 476 |
else |
| 477 |
einfo "${PN}-${PVR} is not installed - using install mode" |
| 478 |
fi |
| 479 |
|
| 480 |
my_cmd="${WEBAPP_CONFIG} ${my_mode} -h localhost -u root -d ${INSTALL_DIR} ${PN} ${PVR}" |
| 481 |
einfo "Running ${my_cmd}" |
| 482 |
${my_cmd} |
| 483 |
|
| 484 |
# remove the old version |
| 485 |
# |
| 486 |
# why do we do this? well ... |
| 487 |
# |
| 488 |
# normally, emerge -u installs a new version and then removes the |
| 489 |
# old version. however, if the new version goes into a different |
| 490 |
# slot to the old version, then the old version gets left behind |
| 491 |
# |
| 492 |
# if USE=-vhosts, then we want to remove the old version, because |
| 493 |
# the user is relying on portage to do the magical thing for it |
| 494 |
|
| 495 |
if [ "${IS_UPGRADE}" = "1" ] ; then |
| 496 |
einfo "Removing old version ${REMOVE_PKG}" |
| 497 |
|
| 498 |
emerge -C "${REMOVE_PKG}" |
| 499 |
fi |
| 500 |
else |
| 501 |
# vhosts flag is on |
| 502 |
# |
| 503 |
# let's tell the administrator what to do next |
| 504 |
|
| 505 |
einfo |
| 506 |
einfo "The 'vhosts' USE flag is switched ON" |
| 507 |
einfo "This means that Portage will not automatically run webapp-config to" |
| 508 |
einfo "complete the installation." |
| 509 |
einfo |
| 510 |
einfo "To install ${PN}-${PVR} into a virtual host, run the following command:" |
| 511 |
einfo |
| 512 |
einfo " webapp-config -I -h <host> -d ${PN} ${PN} ${PVR}" |
| 513 |
einfo |
| 514 |
einfo "For more details, see the webapp-config(8) man page" |
| 515 |
fi |
| 516 |
|
| 517 |
return 0 |
| 518 |
} |
| 519 |
|
| 520 |
function webapp_pkg_prerm () |
| 521 |
{ |
| 522 |
# remove any virtual installs that there are |
| 523 |
|
| 524 |
local my_output |
| 525 |
local x |
| 526 |
|
| 527 |
my_output="$(${WEBAPP_CONFIG} --list-installs ${PN} ${PVR})" |
| 528 |
|
| 529 |
if [ "${?}" != "0" ]; then |
| 530 |
return |
| 531 |
fi |
| 532 |
|
| 533 |
for x in ${my_output} ; do |
| 534 |
[ -f ${x}/.webapp ] && . ${x}/.webapp || ewarn "Cannot find file ${x}/.webapp" |
| 535 |
|
| 536 |
if [ -z "${WEB_HOSTNAME}" -o -z "${WEB_INSTALLDIR}" ]; then |
| 537 |
ewarn "Don't forget to use webapp-config to remove the copy of" |
| 538 |
ewarn "${PN}-${PVR} installed in" |
| 539 |
ewarn |
| 540 |
ewarn " ${x}" |
| 541 |
ewarn |
| 542 |
else |
| 543 |
# we have enough information to remove the virtual copy ourself |
| 544 |
|
| 545 |
${WEBAPP_CONFIG} -C -h ${WEB_HOSTNAME} -d ${WEB_INSTALLDIR} |
| 546 |
|
| 547 |
# if the removal fails - we carry on anyway! |
| 548 |
fi |
| 549 |
done |
| 550 |
} |
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