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# Copyright 1999-2006 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 1.41 2006/05/19 19:24:21 flameeyes 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 <wrobel@gentoo.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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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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EXPORT_FUNCTIONS pkg_postinst pkg_setup src_install pkg_prerm
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INSTALL_DIR="/${PN}"
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IS_UPGRADE=0
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IS_REPLACE=0
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INSTALL_CHECK_FILE="installed_by_webapp_eclass"
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ETC_CONFIG="${ROOT}/etc/vhosts/webapp-config"
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WEBAPP_CONFIG="${ROOT}/usr/sbin/webapp-config"
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# ------------------------------------------------------------------------
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# INTERNAL FUNCTION - USED BY THIS ECLASS ONLY
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#
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# Load the config file /etc/vhosts/webapp-config
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#
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# Supports both the old bash version, and the new python version
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#
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# ------------------------------------------------------------------------
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function webapp_read_config ()
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{
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if has_version '>=app-admin/webapp-config-1.50'; then
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ENVVAR=$(${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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# 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 $2 - prefix directory to use
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# @return 0 on success, never returns on an error
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# ------------------------------------------------------------------------
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function webapp_checkfileexists ()
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{
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local my_prefix
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[ -n "${2}" ] && my_prefix="${2}/" || my_prefix=
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if [ ! -e "${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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# INTERNAL FUNCTION - USED BY THIS ECLASS ONLY
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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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${WEBAPP_CONFIG} --show-installed -h localhost -d "${INSTALL_DIR}" 2> /dev/null
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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_strip_appdir ()
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{
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local my_stripped="${1}"
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echo "${1}" | sed -e "s|${MY_APPDIR}/||g;"
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}
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function webapp_strip_d ()
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{
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echo "${1}" | sed -e "s|${D}||g;"
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}
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function webapp_strip_cwd ()
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{
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local my_stripped="${1}"
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echo "${1}" | sed -e 's|/./|/|g;'
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}
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# ------------------------------------------------------------------------
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# 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 $1 - config file
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# ------------------------------------------------------------------------
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function webapp_configfile ()
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{
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local m=""
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for m in "$@" ; do
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webapp_checkfileexists "${m}" "${D}"
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local MY_FILE="$(webapp_strip_appdir "${m}")"
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MY_FILE="$(webapp_strip_cwd "${MY_FILE}")"
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einfo "(config) ${MY_FILE}"
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echo "${MY_FILE}" >> ${D}/${WA_CONFIGLIST}
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done
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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 $1 - the script to run
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# ------------------------------------------------------------------------
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function webapp_hook_script ()
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{
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webapp_checkfileexists "${1}"
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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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# 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 $2 - the file to install
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# ------------------------------------------------------------------------
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function webapp_postinst_txt ()
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{
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webapp_checkfileexists "${2}"
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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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# 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 $2 - the file to install
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# ------------------------------------------------------------------------
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function webapp_postupgrade_txt ()
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{
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webapp_checkfileexists "${2}"
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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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# 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 $1 - file to be owned by the webserver user:group combo
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#
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# ------------------------------------------------------------------------
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function webapp_serverowned ()
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{
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local a=""
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local m=""
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if [ "${1}" = "-R" ]; then
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shift
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for m in "$@" ; do
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for a in $(find ${D}/${m}); do
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a=${a/${D}\/\///}
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webapp_checkfileexists "${a}" "$D"
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local MY_FILE="$(webapp_strip_appdir "${a}")"
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MY_FILE="$(webapp_strip_cwd "${MY_FILE}")"
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einfo "(server owned) ${MY_FILE}"
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echo "${MY_FILE}" >> "${D}/${WA_SOLIST}"
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done
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done
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else
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for m in "$@" ; do
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webapp_checkfileexists "${m}" "$D"
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local MY_FILE="$(webapp_strip_appdir "${m}")"
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MY_FILE="$(webapp_strip_cwd "${MY_FILE}")"
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einfo "(server owned) ${MY_FILE}"
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echo "${MY_FILE}" >> "${D}/${WA_SOLIST}"
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done
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fi
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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 $1 to the front of your
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# config file's name
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# ------------------------------------------------------------------------
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function webapp_server_configfile ()
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{
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webapp_checkfileexists "${2}"
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# sort out what the name will be of the config file
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local my_file
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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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# 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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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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# 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 $3 - the older version of the app that this db script
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# will upgrade from
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# (do not pass this option if your SQL script only creates
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# a new db from scratch)
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# ------------------------------------------------------------------------
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function webapp_sqlscript ()
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{
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webapp_checkfileexists "${2}"
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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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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}/${1}"
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fi
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# warning:
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#
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# do NOT change the naming convention used here without changing all
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# the other scripts that also rely upon these names
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# are we dealing with an 'upgrade'-type script?
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if [ -n "${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}/${PVR}_create.sql"
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fi
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}
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# ------------------------------------------------------------------------
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# EXPORTED FUNCTION - call from inside your ebuild's src_install AFTER
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# everything else has run
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#
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# For now, we just make sure that root owns everything, and that there
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# are no setuid files.
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# ------------------------------------------------------------------------
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function webapp_src_install ()
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{
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chown -R "${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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keepdir "${MY_PERSISTDIR}"
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fowners "root:0" "${MY_PERSISTDIR}"
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fperms 755 "${MY_PERSISTDIR}"
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# to test whether or not the ebuild has correctly called this function
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# we add an empty file to the filesystem
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#
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# we used to just set a variable in the shell script, but we can
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# no longer rely on Portage calling both webapp_src_install() and
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# webapp_pkg_postinst() within the same shell process
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touch "${D}/${MY_APPDIR}/${INSTALL_CHECK_FILE}"
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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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function webapp_pkg_setup ()
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{
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# add sanity checks here
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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 [ "${WEBAPP_MANUAL_SLOT}" != "yes" ]; then
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die "ebuild sets SLOT, overrides webapp.eclass"
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else
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ewarn
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ewarn "This ebuild overrides the default SLOT behaviour for webapps"
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ewarn "If this package installs files into the htdocs dir, this is"
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ewarn "probably a bug in the ebuild."
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ewarn
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fi
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fi
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| 367 |
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| 368 |
# pull in the shared configuration file
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| 369 |
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| 370 |
G_HOSTNAME="localhost"
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webapp_read_config
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| 373 |
# are we installing a webapp-config solution over the top of a
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# non-webapp-config solution?
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| 375 |
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if ! use vhosts ; then
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local my_dir="${ROOT}${VHOST_ROOT}/${MY_HTDOCSBASE}/${PN}"
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local my_output
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| 379 |
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| 380 |
if [ -d "${my_dir}" ] ; then
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my_output="$(webapp_check_installedat)"
|
| 382 |
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| 383 |
if [ "$?" != "0" ]; then
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| 384 |
# okay, whatever is there, it isn't webapp-config-compatible
|
| 385 |
ewarn "You already have something installed in ${my_dir}"
|
| 386 |
ewarn
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| 387 |
ewarn "Whatever is in ${my_dir}, it's not"
|
| 388 |
ewarn "compatible with webapp-config."
|
| 389 |
ewarn
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| 390 |
ewarn "This ebuild may be overwriting important files."
|
| 391 |
ewarn
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| 392 |
elif [ "$(echo ${my_output} | awk '{ print $1 }')" != "${PN}" ]; then
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| 393 |
eerror "${my_dir} contains ${my_output}"
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| 394 |
eerror "I cannot upgrade that"
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| 395 |
die "Cannot upgrade contents of ${my_dir}"
|
| 396 |
fi
|
| 397 |
fi
|
| 398 |
fi
|
| 399 |
}
|
| 400 |
|
| 401 |
function webapp_getinstalltype ()
|
| 402 |
{
|
| 403 |
# or are we upgrading?
|
| 404 |
|
| 405 |
if ! use vhosts ; then
|
| 406 |
# we only run webapp-config if vhosts USE flag is not set
|
| 407 |
|
| 408 |
local my_output
|
| 409 |
|
| 410 |
my_output="$(webapp_check_installedat)"
|
| 411 |
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| 412 |
if [ "${?}" = "0" ] ; then
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| 413 |
# something is already installed there
|
| 414 |
#
|
| 415 |
# make sure it isn't the same version
|
| 416 |
|
| 417 |
local my_pn="$(echo ${my_output} | awk '{ print $1 }')"
|
| 418 |
local my_pvr="$(echo ${my_output} | awk '{ print $2 }')"
|
| 419 |
|
| 420 |
REMOVE_PKG="${my_pn}-${my_pvr}"
|
| 421 |
|
| 422 |
if [ "${my_pn}" == "${PN}" ]; then
|
| 423 |
if [ "${my_pvr}" != "${PVR}" ]; then
|
| 424 |
einfo "This is an upgrade"
|
| 425 |
IS_UPGRADE=1
|
| 426 |
else
|
| 427 |
einfo "This is a re-installation"
|
| 428 |
IS_REPLACE=1
|
| 429 |
fi
|
| 430 |
else
|
| 431 |
einfo "${my_output} is installed there"
|
| 432 |
fi
|
| 433 |
else
|
| 434 |
einfo "This is an installation"
|
| 435 |
fi
|
| 436 |
fi
|
| 437 |
}
|
| 438 |
|
| 439 |
function webapp_src_preinst ()
|
| 440 |
{
|
| 441 |
# create the directories that we need
|
| 442 |
|
| 443 |
dodir "${MY_HTDOCSDIR}"
|
| 444 |
dodir "${MY_HOSTROOTDIR}"
|
| 445 |
dodir "${MY_CGIBINDIR}"
|
| 446 |
dodir "${MY_ICONSDIR}"
|
| 447 |
dodir "${MY_ERRORSDIR}"
|
| 448 |
dodir "${MY_SQLSCRIPTSDIR}"
|
| 449 |
dodir "${MY_HOOKSCRIPTSDIR}"
|
| 450 |
dodir "${MY_SERVERCONFIGDIR}"
|
| 451 |
}
|
| 452 |
|
| 453 |
function webapp_pkg_postinst ()
|
| 454 |
{
|
| 455 |
webapp_read_config
|
| 456 |
|
| 457 |
# sanity checks, to catch bugs in the ebuild
|
| 458 |
|
| 459 |
if [ ! -f "${ROOT}${MY_APPDIR}/${INSTALL_CHECK_FILE}" ]; then
|
| 460 |
eerror
|
| 461 |
eerror "This ebuild did not call webapp_src_install() at the end"
|
| 462 |
eerror "of the src_install() function"
|
| 463 |
eerror
|
| 464 |
eerror "Please log a bug on http://bugs.gentoo.org"
|
| 465 |
eerror
|
| 466 |
eerror "You should use emerge -C to remove this package, as the"
|
| 467 |
eerror "installation is incomplete"
|
| 468 |
eerror
|
| 469 |
die "Ebuild did not call webapp_src_install() - report to http://bugs.gentoo.org"
|
| 470 |
fi
|
| 471 |
|
| 472 |
# if 'vhosts' is not set in your USE flags, we install a copy of
|
| 473 |
# this application in ${ROOT}/var/www/localhost/htdocs/${PN}/ for you
|
| 474 |
|
| 475 |
if ! use vhosts ; then
|
| 476 |
echo
|
| 477 |
einfo "vhosts USE flag not set - auto-installing using webapp-config"
|
| 478 |
|
| 479 |
webapp_getinstalltype
|
| 480 |
|
| 481 |
G_HOSTNAME="localhost"
|
| 482 |
local my_mode=-I
|
| 483 |
webapp_read_config
|
| 484 |
|
| 485 |
if [ "${IS_REPLACE}" = "1" ]; then
|
| 486 |
einfo "${PN}-${PVR} is already installed - replacing"
|
| 487 |
my_mode=-I
|
| 488 |
elif [ "${IS_UPGRADE}" = "1" ]; then
|
| 489 |
einfo "${REMOVE_PKG} is already installed - upgrading"
|
| 490 |
my_mode=-U
|
| 491 |
else
|
| 492 |
einfo "${PN}-${PVR} is not installed - using install mode"
|
| 493 |
fi
|
| 494 |
|
| 495 |
my_cmd="${WEBAPP_CONFIG} ${my_mode} -h localhost -u root -d ${INSTALL_DIR} ${PN} ${PVR}"
|
| 496 |
einfo "Running ${my_cmd}"
|
| 497 |
${my_cmd}
|
| 498 |
|
| 499 |
# remove the old version
|
| 500 |
#
|
| 501 |
# why do we do this? well ...
|
| 502 |
#
|
| 503 |
# normally, emerge -u installs a new version and then removes the
|
| 504 |
# old version. however, if the new version goes into a different
|
| 505 |
# slot to the old version, then the old version gets left behind
|
| 506 |
#
|
| 507 |
# if USE=-vhosts, then we want to remove the old version, because
|
| 508 |
# the user is relying on portage to do the magical thing for it
|
| 509 |
|
| 510 |
if [ "${IS_UPGRADE}" = "1" ] ; then
|
| 511 |
einfo "Removing old version ${REMOVE_PKG}"
|
| 512 |
|
| 513 |
emerge -C "${REMOVE_PKG}"
|
| 514 |
fi
|
| 515 |
else
|
| 516 |
# vhosts flag is on
|
| 517 |
#
|
| 518 |
# let's tell the administrator what to do next
|
| 519 |
|
| 520 |
einfo
|
| 521 |
einfo "The 'vhosts' USE flag is switched ON"
|
| 522 |
einfo "This means that Portage will not automatically run webapp-config to"
|
| 523 |
einfo "complete the installation."
|
| 524 |
einfo
|
| 525 |
einfo "To install ${PN}-${PVR} into a virtual host, run the following command:"
|
| 526 |
einfo
|
| 527 |
einfo " webapp-config -I -h <host> -d ${PN} ${PN} ${PVR}"
|
| 528 |
einfo
|
| 529 |
einfo "For more details, see the webapp-config(8) man page"
|
| 530 |
fi
|
| 531 |
|
| 532 |
return 0
|
| 533 |
}
|
| 534 |
|
| 535 |
function webapp_pkg_prerm ()
|
| 536 |
{
|
| 537 |
# remove any virtual installs that there are
|
| 538 |
|
| 539 |
local my_output
|
| 540 |
local x
|
| 541 |
|
| 542 |
my_output="$(${WEBAPP_CONFIG} --list-installs ${PN} ${PVR})"
|
| 543 |
|
| 544 |
if [ "${?}" != "0" ]; then
|
| 545 |
return
|
| 546 |
fi
|
| 547 |
|
| 548 |
for x in ${my_output} ; do
|
| 549 |
[ -f ${x}/.webapp ] && . ${x}/.webapp || ewarn "Cannot find file ${x}/.webapp"
|
| 550 |
|
| 551 |
if [ -z "${WEB_HOSTNAME}" -o -z "${WEB_INSTALLDIR}" ]; then
|
| 552 |
ewarn "Don't forget to use webapp-config to remove the copy of"
|
| 553 |
ewarn "${PN}-${PVR} installed in"
|
| 554 |
ewarn
|
| 555 |
ewarn " ${x}"
|
| 556 |
ewarn
|
| 557 |
else
|
| 558 |
# we have enough information to remove the virtual copy ourself
|
| 559 |
|
| 560 |
${WEBAPP_CONFIG} -C -h ${WEB_HOSTNAME} -d ${WEB_INSTALLDIR}
|
| 561 |
|
| 562 |
# if the removal fails - we carry on anyway!
|
| 563 |
fi
|
| 564 |
done
|
| 565 |
}
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