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# Copyright 1999-2011 Gentoo Foundation |
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# Distributed under the terms of the GNU General Public License v2 |
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# $Header: /var/cvsroot/gentoo-x86/eclass/webapp.eclass,v 1.69 2011/07/27 07:50:39 lxnay Exp $ |
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|
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# @ECLASS: webapp.eclass |
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# @MAINTAINER: |
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# web-apps@gentoo.org |
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# @BLURB: functions for installing applications to run under a web server |
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# @DESCRIPTION: |
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# The webapp eclass contains functions to handle web applications with |
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# webapp-config. Part of the implementation of GLEP #11 |
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|
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# @ECLASS-VARIABLE: WEBAPP_DEPEND |
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# @DESCRIPTION: |
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# An ebuild should use WEBAPP_DEPEND if a custom DEPEND needs to be built, most |
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# notably in combination with WEBAPP_OPTIONAL. |
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WEBAPP_DEPEND=">=app-admin/webapp-config-1.50.15" |
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|
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# @ECLASS-VARIABLE: WEBAPP_NO_AUTO_INSTALL |
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# @DESCRIPTION: |
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# An ebuild sets this to `yes' if an automatic installation and/or upgrade is |
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# not possible. The ebuild should overwrite pkg_postinst() and explain the |
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# reason for this BEFORE calling webapp_pkg_postinst(). |
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|
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# @ECLASS-VARIABLE: WEBAPP_OPTIONAL |
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# @DESCRIPTION: |
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# An ebuild sets this to `yes' to make webapp support optional, in which case |
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# you also need to take care of USE-flags and dependencies. |
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|
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if [[ "${WEBAPP_OPTIONAL}" != "yes" ]]; then |
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[[ "${WEBAPP_NO_AUTO_INSTALL}" == "yes" ]] || IUSE="vhosts" |
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SLOT="${PVR}" |
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DEPEND="${WEBAPP_DEPEND}" |
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RDEPEND="${DEPEND}" |
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fi |
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|
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EXPORT_FUNCTIONS pkg_postinst pkg_setup src_install pkg_prerm |
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|
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INSTALL_DIR="/${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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SETUP_CHECK_FILE="setup_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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WEBAPP_CLEANER="${ROOT}usr/sbin/webapp-cleaner" |
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|
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# ============================================================================== |
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# INTERNAL FUNCTIONS |
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# ============================================================================== |
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|
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# Load the config file /etc/vhosts/webapp-config |
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# Supports both the old bash version, and the new python version |
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webapp_read_config() { |
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debug-print-function $FUNCNAME $* |
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|
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if has_version '>=app-admin/webapp-config-1.50'; then |
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ENVVAR=$(${WEBAPP_CONFIG} --query ${PN} ${PVR}) || die "Could not read settings from webapp-config!" |
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eval ${ENVVAR} |
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elif [[ "${WEBAPP_OPTIONAL}" != "yes" ]]; then |
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# ETC_CONFIG might not be available |
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. ${ETC_CONFIG} || die "Unable to read ${ETC_CONFIG}" |
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elif [[ -f "${ETC_CONFIG}" ]]; then |
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# WEBAPP_OPTIONAL is set to yes |
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# and this must run only if ETC_CONFIG actually exists |
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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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# Check whether a specified file exists in the given directory (`.' by default) |
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webapp_checkfileexists() { |
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debug-print-function $FUNCNAME $* |
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|
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local my_prefix=${2:+${2}/} |
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|
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if [[ ! -e "${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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webapp_check_installedat() { |
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debug-print-function $FUNCNAME $* |
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${WEBAPP_CONFIG} --show-installed -h localhost -d "${INSTALL_DIR}" 2> /dev/null |
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} |
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|
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webapp_strip_appdir() { |
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debug-print-function $FUNCNAME $* |
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echo "${1#${MY_APPDIR}/}" |
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} |
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|
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webapp_strip_d() { |
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debug-print-function $FUNCNAME $* |
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echo "${1#${D}}" |
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} |
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|
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webapp_strip_cwd() { |
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debug-print-function $FUNCNAME $* |
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echo "${1/#.\///}" |
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} |
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|
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webapp_getinstalltype() { |
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debug-print-function $FUNCNAME $* |
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|
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if ! has vhosts ${IUSE} || use vhosts; then |
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return |
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fi |
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|
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local my_output |
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my_output="$(webapp_check_installedat)" |
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|
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if [[ $? -eq 0 ]]; then |
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# something is already installed there |
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# make sure it isn't the same version |
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|
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local my_pn="$(echo ${my_output} | awk '{ print $1 }')" |
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local my_pvr="$(echo ${my_output} | awk '{ print $2 }')" |
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|
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REMOVE_PKG="${my_pn}-${my_pvr}" |
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|
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if [[ "${my_pn}" == "${PN}" ]]; then |
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if [[ "${my_pvr}" != "${PVR}" ]]; then |
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elog "This is an upgrade" |
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IS_UPGRADE=1 |
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# for binpkgs, reset status, var declared in global scope |
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IS_REPLACE=0 |
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else |
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elog "This is a re-installation" |
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IS_REPLACE=1 |
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# for binpkgs, reset status, var declared in global scope |
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IS_UPGRADE=0 |
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fi |
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else |
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elog "${my_output} is installed there" |
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fi |
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else |
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# for binpkgs, reset status, var declared in global scope |
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IS_REPLACE=0 |
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IS_UPGRADE=0 |
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elog "This is an installation" |
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fi |
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} |
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|
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# ============================================================================== |
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# PUBLIC FUNCTIONS |
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# ============================================================================== |
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|
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# @FUNCTION: need_httpd |
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# @DESCRIPTION: |
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# Call this function AFTER your ebuilds DEPEND line if any of the available |
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# webservers are able to run this application. |
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need_httpd() { |
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DEPEND="${DEPEND} |
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|| ( virtual/httpd-basic virtual/httpd-cgi virtual/httpd-fastcgi )" |
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} |
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|
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# @FUNCTION: need_httpd_cgi |
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# @DESCRIPTION: |
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# Call this function AFTER your ebuilds DEPEND line if any of the available |
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# CGI-capable webservers are able to run this application. |
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need_httpd_cgi() { |
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DEPEND="${DEPEND} |
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|| ( virtual/httpd-cgi virtual/httpd-fastcgi )" |
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} |
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|
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# @FUNCTION: need_httpd_fastcgi |
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# @DESCRIPTION: |
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# Call this function AFTER your ebuilds DEPEND line if any of the available |
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# FastCGI-capabale webservers are able to run this application. |
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need_httpd_fastcgi() { |
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DEPEND="${DEPEND} |
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virtual/httpd-fastcgi" |
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} |
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|
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# @FUNCTION: webapp_configfile |
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# @USAGE: <file> [more files ...] |
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# @DESCRIPTION: |
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# Mark a file config-protected for a web-based application. |
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webapp_configfile() { |
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debug-print-function $FUNCNAME $* |
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|
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local m |
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for m in "$@"; do |
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webapp_checkfileexists "${m}" "${D}" |
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|
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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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|
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elog "(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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# @FUNCTION: webapp_hook_script |
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# @USAGE: <file> |
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# @DESCRIPTION: |
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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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webapp_hook_script() { |
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debug-print-function $FUNCNAME $* |
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|
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webapp_checkfileexists "${1}" |
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|
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elog "(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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# @FUNCTION: webapp_postinst_txt |
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# @USAGE: <lang> <file> |
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# @DESCRIPTION: |
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# Install a text file containing post-installation instructions. |
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webapp_postinst_txt() { |
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debug-print-function $FUNCNAME $* |
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|
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webapp_checkfileexists "${2}" |
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|
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elog "(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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# @FUNCTION: webapp_postupgrade_txt |
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# @USAGE: <lang> <file> |
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# @DESCRIPTION: |
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# Install a text file containing post-upgrade instructions. |
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webapp_postupgrade_txt() { |
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debug-print-function $FUNCNAME $* |
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|
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webapp_checkfileexists "${2}" |
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|
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elog "(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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# helper for webapp_serverowned() |
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_webapp_serverowned() { |
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debug-print-function $FUNCNAME $* |
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|
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webapp_checkfileexists "${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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elog "(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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# @FUNCTION: webapp_serverowned |
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# @USAGE: [-R] <file> [more files ...] |
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# @DESCRIPTION: |
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# Identify a file which must be owned by the webserver's user:group settings. |
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# The ownership of the file is NOT set until the application is installed using |
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# the webapp-config tool. If -R is given directories are handled recursively. |
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webapp_serverowned() { |
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debug-print-function $FUNCNAME $* |
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|
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local a m |
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if [[ "${1}" == "-R" ]]; then |
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shift |
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for m in "$@"; do |
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find "${D}${m}" | while read a; do |
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a=$(webapp_strip_d "${a}") |
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_webapp_serverowned "${a}" |
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done |
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done |
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else |
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for m in "$@"; do |
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_webapp_serverowned "${m}" |
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done |
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fi |
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} |
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|
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# @FUNCTION: webapp_server_configfile |
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# @USAGE: <server> <file> [new name] |
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# @DESCRIPTION: |
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# Install a configuration file for the webserver. You need to specify a |
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# webapp-config supported <server>. if no new name is given `basename $2' is |
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# used by default. Note: this function will automagically prepend $1 to the |
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# front of your config file's name. |
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webapp_server_configfile() { |
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debug-print-function $FUNCNAME $* |
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|
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webapp_checkfileexists "${2}" |
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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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local my_file="${1}-${3:-$(basename "${2}")}" |
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|
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elog "(${1}) config file '${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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# @FUNCTION: webapp_sqlscript |
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# @USAGE: <db> <file> [version] |
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# @DESCRIPTION: |
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# Install a SQL script that creates/upgrades a database schema for the web |
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# application. Currently supported database engines are mysql and postgres. |
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# If a version is given the script should upgrade the database schema from |
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# the given version to $PVR. |
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webapp_sqlscript() { |
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debug-print-function $FUNCNAME $* |
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|
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webapp_checkfileexists "${2}" |
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|
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dodir "${MY_SQLSCRIPTSDIR}/${1}" |
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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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if [[ -n "${3}" ]]; then |
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elog "(${1}) upgrade script for ${PN}-${3} to ${PVR}" |
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cp "${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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elog "(${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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# @FUNCTION: webapp_src_preinst |
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# @DESCRIPTION: |
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# You need to call this function in src_install() BEFORE anything else has run. |
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# For now we just create required webapp-config directories. |
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webapp_src_preinst() { |
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debug-print-function $FUNCNAME $* |
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|
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# sanity checks, to catch bugs in the ebuild |
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if [[ ! -f "${T}/${SETUP_CHECK_FILE}" ]]; then |
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eerror |
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eerror "This ebuild did not call webapp_pkg_setup() at the beginning" |
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eerror "of the pkg_setup() function" |
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eerror |
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eerror "Please log a bug on http://bugs.gentoo.org" |
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eerror |
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eerror "You should use emerge -C to remove this package, as the" |
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eerror "installation is incomplete" |
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eerror |
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die "Ebuild did not call webapp_pkg_setup() - report to http://bugs.gentoo.org" |
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fi |
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|
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# Hint, see the webapp_read_config() function to find where these are |
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# defined. |
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dodir "${MY_HTDOCSDIR}" |
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dodir "${MY_HOSTROOTDIR}" |
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dodir "${MY_CGIBINDIR}" |
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dodir "${MY_ICONSDIR}" |
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dodir "${MY_ERRORSDIR}" |
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dodir "${MY_SQLSCRIPTSDIR}" |
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dodir "${MY_HOOKSCRIPTSDIR}" |
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dodir "${MY_SERVERCONFIGDIR}" |
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} |
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|
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# ============================================================================== |
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# EXPORTED FUNCTIONS |
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# ============================================================================== |
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|
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# @FUNCTION: webapp_pkg_setup |
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# @DESCRIPTION: |
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# The default pkg_setup() for this eclass. This will gather required variables |
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# from webapp-config and check if there is an application installed to |
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# `${ROOT}/var/www/localhost/htdocs/${PN}/' if USE=vhosts is not set. |
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# |
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# You need to call this function BEFORE anything else has run in your custom |
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# pkg_setup(). |
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webapp_pkg_setup() { |
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debug-print-function $FUNCNAME $* |
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|
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# to test whether or not the ebuild has correctly called this function |
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# we add an empty file to the filesystem |
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# |
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# we used to just set a variable in the shell script, but we can |
| 381 |
# no longer rely on Portage calling both webapp_pkg_setup() and |
| 382 |
# webapp_src_install() within the same shell process |
| 383 |
touch "${T}/${SETUP_CHECK_FILE}" |
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|
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# special case - some ebuilds *do* need to overwride the SLOT |
| 386 |
if [[ "${SLOT}+" != "${PVR}+" && "${WEBAPP_MANUAL_SLOT}" != "yes" ]]; then |
| 387 |
die "Set WEBAPP_MANUAL_SLOT=\"yes\" if you need to SLOT manually" |
| 388 |
fi |
| 389 |
|
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# pull in the shared configuration file |
| 391 |
G_HOSTNAME="localhost" |
| 392 |
webapp_read_config |
| 393 |
|
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local my_dir="${ROOT}${VHOST_ROOT}/${MY_HTDOCSBASE}/${PN}" |
| 395 |
|
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# if USE=vhosts is enabled OR no application is installed we're done here |
| 397 |
if ! has vhosts ${IUSE} || use vhosts || [[ ! -d "${my_dir}" ]]; then |
| 398 |
return |
| 399 |
fi |
| 400 |
|
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local my_output |
| 402 |
my_output="$(webapp_check_installedat)" |
| 403 |
|
| 404 |
if [[ $? -ne 0 ]]; then |
| 405 |
# okay, whatever is there, it isn't webapp-config-compatible |
| 406 |
echo |
| 407 |
ewarn |
| 408 |
ewarn "You already have something installed in ${my_dir}" |
| 409 |
ewarn |
| 410 |
ewarn "Whatever is in ${my_dir}, it's not" |
| 411 |
ewarn "compatible with webapp-config." |
| 412 |
ewarn |
| 413 |
ewarn "This ebuild may be overwriting important files." |
| 414 |
ewarn |
| 415 |
echo |
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ebeep 10 |
| 417 |
elif [[ "$(echo ${my_output} | awk '{ print $1 }')" != "${PN}" ]]; then |
| 418 |
echo |
| 419 |
eerror "You already have ${my_output} installed in ${my_dir}" |
| 420 |
eerror |
| 421 |
eerror "I cannot upgrade a different application" |
| 422 |
eerror |
| 423 |
echo |
| 424 |
die "Cannot upgrade contents of ${my_dir}" |
| 425 |
fi |
| 426 |
|
| 427 |
} |
| 428 |
|
| 429 |
# @FUNCTION: webapp_src_install |
| 430 |
# @DESCRIPTION: |
| 431 |
# This is the default src_install(). For now, we just make sure that root owns |
| 432 |
# everything, and that there are no setuid files. |
| 433 |
# |
| 434 |
# You need to call this function AFTER everything else has run in your custom |
| 435 |
# src_install(). |
| 436 |
webapp_src_install() { |
| 437 |
debug-print-function $FUNCNAME $* |
| 438 |
|
| 439 |
# to test whether or not the ebuild has correctly called this function |
| 440 |
# we add an empty file to the filesystem |
| 441 |
# |
| 442 |
# we used to just set a variable in the shell script, but we can |
| 443 |
# no longer rely on Portage calling both webapp_src_install() and |
| 444 |
# webapp_pkg_postinst() within the same shell process |
| 445 |
touch "${D}/${MY_APPDIR}/${INSTALL_CHECK_FILE}" |
| 446 |
|
| 447 |
chown -R "${VHOST_DEFAULT_UID}:${VHOST_DEFAULT_GID}" "${D}/" |
| 448 |
chmod -R u-s "${D}/" |
| 449 |
chmod -R g-s "${D}/" |
| 450 |
|
| 451 |
keepdir "${MY_PERSISTDIR}" |
| 452 |
fowners "root:0" "${MY_PERSISTDIR}" |
| 453 |
fperms 755 "${MY_PERSISTDIR}" |
| 454 |
} |
| 455 |
|
| 456 |
# @FUNCTION: webapp_pkg_postinst |
| 457 |
# @DESCRIPTION: |
| 458 |
# The default pkg_postinst() for this eclass. This installs the web application to |
| 459 |
# `${ROOT}/var/www/localhost/htdocs/${PN}/' if USE=vhosts is not set. Otherwise |
| 460 |
# display a short notice how to install this application with webapp-config. |
| 461 |
# |
| 462 |
# You need to call this function AFTER everything else has run in your custom |
| 463 |
# pkg_postinst(). |
| 464 |
webapp_pkg_postinst() { |
| 465 |
debug-print-function $FUNCNAME $* |
| 466 |
|
| 467 |
webapp_read_config |
| 468 |
|
| 469 |
# sanity checks, to catch bugs in the ebuild |
| 470 |
if [[ ! -f "${ROOT}${MY_APPDIR}/${INSTALL_CHECK_FILE}" ]]; then |
| 471 |
eerror |
| 472 |
eerror "This ebuild did not call webapp_src_install() at the end" |
| 473 |
eerror "of the src_install() function" |
| 474 |
eerror |
| 475 |
eerror "Please log a bug on http://bugs.gentoo.org" |
| 476 |
eerror |
| 477 |
eerror "You should use emerge -C to remove this package, as the" |
| 478 |
eerror "installation is incomplete" |
| 479 |
eerror |
| 480 |
die "Ebuild did not call webapp_src_install() - report to http://bugs.gentoo.org" |
| 481 |
fi |
| 482 |
|
| 483 |
if has vhosts ${IUSE}; then |
| 484 |
if ! use vhosts; then |
| 485 |
echo |
| 486 |
elog "vhosts USE flag not set - auto-installing using webapp-config" |
| 487 |
|
| 488 |
G_HOSTNAME="localhost" |
| 489 |
webapp_read_config |
| 490 |
|
| 491 |
local my_mode=-I |
| 492 |
webapp_getinstalltype |
| 493 |
|
| 494 |
if [[ "${IS_REPLACE}" == "1" ]]; then |
| 495 |
elog "${PN}-${PVR} is already installed - replacing" |
| 496 |
my_mode=-I |
| 497 |
elif [[ "${IS_UPGRADE}" == "1" ]]; then |
| 498 |
elog "${REMOVE_PKG} is already installed - upgrading" |
| 499 |
my_mode=-U |
| 500 |
else |
| 501 |
elog "${PN}-${PVR} is not installed - using install mode" |
| 502 |
fi |
| 503 |
|
| 504 |
my_cmd="${WEBAPP_CONFIG} ${my_mode} -h localhost -u root -d ${INSTALL_DIR} ${PN} ${PVR}" |
| 505 |
elog "Running ${my_cmd}" |
| 506 |
${my_cmd} |
| 507 |
|
| 508 |
echo |
| 509 |
local cleaner="${WEBAPP_CLEANER} -p -C /${PN}" |
| 510 |
einfo "Running ${cleaner}" |
| 511 |
${cleaner} |
| 512 |
else |
| 513 |
elog |
| 514 |
elog "The 'vhosts' USE flag is switched ON" |
| 515 |
elog "This means that Portage will not automatically run webapp-config to" |
| 516 |
elog "complete the installation." |
| 517 |
elog |
| 518 |
elog "To install ${PN}-${PVR} into a virtual host, run the following command:" |
| 519 |
elog |
| 520 |
elog " webapp-config -I -h <host> -d ${PN} ${PN} ${PVR}" |
| 521 |
elog |
| 522 |
elog "For more details, see the webapp-config(8) man page" |
| 523 |
fi |
| 524 |
else |
| 525 |
elog |
| 526 |
elog "This ebuild does not support the 'vhosts' USE flag." |
| 527 |
elog "This means that Portage will not automatically run webapp-config to" |
| 528 |
elog "complete the installation." |
| 529 |
elog |
| 530 |
elog "To install ${PN}-${PVR} into a virtual host, run the following command:" |
| 531 |
elog |
| 532 |
elog " webapp-config -I -h <host> -d ${PN} ${PN} ${PVR}" |
| 533 |
elog |
| 534 |
elog "For more details, see the webapp-config(8) man page" |
| 535 |
fi |
| 536 |
} |
| 537 |
|
| 538 |
# @FUNCTION: webapp_pkg_prerm |
| 539 |
# @DESCRIPTION: |
| 540 |
# This is the default pkg_prerm() for this eclass. If USE=vhosts is not set |
| 541 |
# remove all installed copies of this web application. Otherwise instruct the |
| 542 |
# user to manually remove those copies. See bug #136959. |
| 543 |
webapp_pkg_prerm() { |
| 544 |
debug-print-function $FUNCNAME $* |
| 545 |
|
| 546 |
local my_output= |
| 547 |
my_output="$(${WEBAPP_CONFIG} --list-installs ${PN} ${PVR})" |
| 548 |
[[ $? -ne 0 ]] && return |
| 549 |
|
| 550 |
local x |
| 551 |
if has vhosts ${IUSE} && ! use vhosts; then |
| 552 |
echo "${my_output}" | while read x; do |
| 553 |
if [[ -f "${x}"/.webapp ]]; then |
| 554 |
. "${x}"/.webapp |
| 555 |
if [[ -n "${WEB_HOSTNAME}" && -n "${WEB_INSTALLDIR}" ]]; then |
| 556 |
${WEBAPP_CONFIG} -C -h ${WEB_HOSTNAME} -d ${WEB_INSTALLDIR} ${PN} ${PVR} |
| 557 |
fi |
| 558 |
else |
| 559 |
ewarn "Cannot find file ${x}/.webapp" |
| 560 |
fi |
| 561 |
done |
| 562 |
elif [[ "${my_output}" != "" ]]; then |
| 563 |
echo |
| 564 |
ewarn |
| 565 |
ewarn "Don't forget to use webapp-config to remove any copies of" |
| 566 |
ewarn "${PN}-${PVR} installed in" |
| 567 |
ewarn |
| 568 |
|
| 569 |
echo "${my_output}" | while read x; do |
| 570 |
if [[ -f "${x}"/.webapp ]]; then |
| 571 |
ewarn " ${x}" |
| 572 |
else |
| 573 |
ewarn "Cannot find file ${x}/.webapp" |
| 574 |
fi |
| 575 |
done |
| 576 |
|
| 577 |
ewarn |
| 578 |
echo |
| 579 |
fi |
| 580 |
} |
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