gentoo-x86/eclass/kde4-functions.eclass

# Copyright 1999-2010 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/eclass/kde4-functions.eclass,v 1.35 2010/09/11 04:25:23 reavertm Exp $

inherit versionator

# @ECLASS: kde4-functions.eclass
# @MAINTAINER:
# kde@gentoo.org
# @BLURB: Common ebuild functions for KDE 4 packages
# @DESCRIPTION:
# This eclass contains all functions shared by the different eclasses,
# for KDE 4 ebuilds.

# @ECLASS-VARIABLE: EAPI
# @DESCRIPTION:
# By default kde4 eclasses want EAPI 2 which might be redefinable to newer
# versions.
case ${EAPI:-0} in
        2|3) : ;;
        *) die "EAPI=${EAPI} is not supported" ;;
esac

# @ECLASS-VARIABLE: KDEBASE
# @DESCRIPTION:
# This gets set to a non-zero value when a package is considered a kde or
# koffice ebuild.
if [[ ${CATEGORY} = kde-base ]]; then
        debug-print "${ECLASS}: KDEBASE ebuild recognized"
        KDEBASE=kde-base
elif [[ ${KMNAME} = koffice || ${PN} = koffice ]]; then
        debug-print "${ECLASS}: KOFFICE ebuild recognized"
        KDEBASE=koffice
elif [[ ${KMNAME} = kdevelop ]]; then
        debug-print "${ECLASS}: KDEVELOP ebuild recognized"
        KDEBASE="kdevelop"
fi

# @ECLASS-VARIABLE: KDE_SLOTS
# @DESCRIPTION:
# The slots used by all KDE versions later than 4.0. The live KDE releases use
# KDE_LIVE_SLOTS instead. Values should be ordered.
KDE_SLOTS=( "4.1" "4.2" "4.3" "4.4" "4.5" "4.6" )

# @ECLASS-VARIABLE: KDE_LIVE_SLOTS
# @DESCRIPTION:
# The slots used by KDE live versions. Values should be ordered.
KDE_LIVE_SLOTS=( "live" )

# @FUNCTION: slot_is_at_least
# @USAGE: <want> <have>
# @DESCRIPTION:
# Version aware slot comparator.
# Current implementation relies on the fact, that slots can be compared like
# string literals (and let's keep it this way).
slot_is_at_least() {
        [[ "${2}" > "${1}" || "${2}" = "${1}" ]]
}

# @FUNCTION: buildsycoca
# @DESCRIPTION:
# Function to rebuild the KDE System Configuration Cache.
# All KDE ebuilds should run this in pkg_postinst and pkg_postrm.
buildsycoca() {
        debug-print-function ${FUNCNAME} "$@"

        if [[ ${EAPI} == 2 ]] && ! use prefix; then
                EROOT=${ROOT}
        fi

        local KDE3DIR="${EROOT}usr/kde/3.5"
        if [[ -z ${EROOT%%/} && -x "${KDE3DIR}"/bin/kbuildsycoca ]]; then
                # Since KDE3 is aware of shortcuts in /usr, rebuild database
                # for KDE3 as well.
                touch "${KDE3DIR}"/share/services/ksycoca
                chmod 644 "${KDE3DIR}"/share/services/ksycoca

                ebegin "Running kbuildsycoca to build global database"
                XDG_DATA_DIRS="${EROOT}usr/local/share:${KDE3DIR}/share:${EROOT}usr/share" \
                        DISPLAY="" \
                        "${KDE3DIR}"/bin/kbuildsycoca --global --noincremental &> /dev/null
                eend $?
        fi

        # We no longer need to run kbuildsycoca4, as kded does that automatically, as needed

        # fix permission for some directories
        for x in share/{config,kde4}; do
                [[ ${KDEDIR} == /usr ]] && DIRS=${EROOT}usr || DIRS="${EROOT}usr ${EROOT}${KDEDIR}"
                for y in ${DIRS}; do
                        [[ -d "${y}/${x}" ]] || break # nothing to do if directory does not exist
                        if [[ $(stat --format=%a "${y}/${x}") != 755 ]]; then
                                ewarn "QA Notice:"
                                ewarn "Package ${PN} is breaking ${y}/${x} permissions."
                                ewarn "Please report this issue to gentoo bugzilla."
                                einfo "Permissions will get adjusted automatically now."
                                find "${y}/${x}" -type d -print0 | xargs -0 chmod 755
                        fi
                done
        done
}

# @FUNCTION: comment_all_add_subdirectory
# @USAGE: [list of directory names]
# @DESCRIPTION:
# Recursively comment all add_subdirectory instructions in listed directories,
# except those in cmake/.
comment_all_add_subdirectory() {
        find "$@" -name CMakeLists.txt -print0 | grep -vFzZ "./cmake" | \
                xargs -0 sed -i \
                        -e '/^[[:space:]]*add_subdirectory/s/^/#DONOTCOMPILE /' \
                        -e '/^[[:space:]]*ADD_SUBDIRECTORY/s/^/#DONOTCOMPILE /' \
                        -e '/^[[:space:]]*macro_optional_add_subdirectory/s/^/#DONOTCOMPILE /' \
                        -e '/^[[:space:]]*MACRO_OPTIONAL_ADD_SUBDIRECTORY/s/^/#DONOTCOMPILE /' \
                        || die "${LINENO}: Initial sed died"
}

# @ECLASS-VARIABLE: KDE_LINGUAS
# @DESCRIPTION:
# This is a whitespace-separated list of translations this ebuild supports.
# These translations are automatically added to IUSE. Therefore ebuilds must set
# this variable before inheriting any eclasses. To enable only selected
# translations, ebuilds must call enable_selected_linguas(). kde4-{base,meta}.eclass does
# this for you.
#
# Example: KDE_LINGUAS="en_GB de nl"
for _lingua in ${KDE_LINGUAS}; do
        IUSE="${IUSE} linguas_${_lingua}"
done

# @FUNCTION: enable_selected_linguas
# @DESCRIPTION:
# Enable translations based on LINGUAS settings and translations supported by
# the package (see KDE_LINGUAS). By default, translations are found in "${S}"/po
# but this default can be overridden by defining KDE_LINGUAS_DIR.
enable_selected_linguas() {
        debug-print-function ${FUNCNAME} "$@"

        local lingua linguas sr_mess wp

        # if there is no linguas defined we enable everything
        if ! $(env | grep -q "^LINGUAS="); then
                return 0
        fi

        # @ECLASS-VARIABLE: KDE_LINGUAS_DIR
        # @DESCRIPTION:
        # Specified folder where application translations are located.
        KDE_LINGUAS_DIR=${KDE_LINGUAS_DIR:="po"}
        [[ -d  "${KDE_LINGUAS_DIR}" ]] || die "wrong linguas dir specified"
        comment_all_add_subdirectory "${KDE_LINGUAS_DIR}"
        pushd "${KDE_LINGUAS_DIR}" > /dev/null

        # fix all various crazy sr@Latn variations
        # this part is only ease for ebuilds, so there wont be any die when this
        # fail at any point
        sr_mess="sr@latn sr@latin sr@Latin"
        for wp in ${sr_mess}; do
                [[ -e "${wp}.po" ]] && mv "${wp}.po" "sr@Latn.po"
                if [[ -d "${wp}" ]]; then
                        # move dir and fix cmakelists
                        mv "${wp}" "sr@Latn"
                        sed -i \
                                -e "s:${wp}:sr@Latin:g" \
                                CMakeLists.txt
                fi
        done

        for lingua in ${KDE_LINGUAS}; do
                if [[ -e "${lingua}.po" ]]; then
                        mv "${lingua}.po" "${lingua}.po.old"
                fi
        done

        for lingua in ${KDE_LINGUAS}; do
                if use linguas_${lingua} ; then
                        if [[ -d "${lingua}" ]]; then
                                linguas="${linguas} ${lingua}"
                                sed -e "/add_subdirectory([[:space:]]*${lingua}[[:space:]]*)[[:space:]]*$/ s/^#DONOTCOMPILE //" \
                                        -e "/ADD_SUBDIRECTORY([[:space:]]*${lingua}[[:space:]]*)[[:space:]]*$/ s/^#DONOTCOMPILE //" \
                                        -i CMakeLists.txt || die "Sed to uncomment linguas_${lingua} failed."
                        fi
                        if [[ -e "${lingua}.po.old" ]]; then
                                linguas="${linguas} ${lingua}"
                                mv "${lingua}.po.old" "${lingua}.po"
                        fi
                fi
        done
        [[ -n "${linguas}" ]] && einfo "Enabling languages: ${linguas}"

        popd > /dev/null
}

# @FUNCTION: enable_selected_doc_linguas
# @DESCRIPTION:
# Enable only selected linguas enabled doc folders.
enable_selected_doc_linguas() {
        debug-print-function ${FUNCNAME} "$@"

        # if there is no linguas defined we enable everything
        if ! $(env | grep -q "^LINGUAS="); then
                return 0
        fi

        # @ECLASS-VARIABLE: KDE_DOC_DIRS
        # @DESCRIPTION:
        # Variable specifying whitespace separated patterns for documentation locations.
        # Default is "doc/%lingua"
        KDE_DOC_DIRS=${KDE_DOC_DIRS:='doc/%lingua'}
        local linguas
        for pattern in ${KDE_DOC_DIRS}; do

                local handbookdir=`dirname ${pattern}`
                local translationdir=`basename ${pattern}`
                # Do filename pattern supplied, treat as directory
                [[ "${handbookdir}" = '.' ]] && handbookdir=${translationdir} && translationdir=
                [[ -d "${handbookdir}" ]] || die 'wrong doc dir specified'

                if ! use handbook; then
                        # Disable whole directory
                        sed -e "/add_subdirectory[[:space:]]*([[:space:]]*${handbookdir}[[:space:]]*)/s/^/#DONOTCOMPILE /" \
                                -e "/ADD_SUBDIRECTORY[[:space:]]*([[:space:]]*${handbookdir}[[:space:]]*)/s/^/#DONOTCOMPILE /" \
                                -i CMakeLists.txt || die 'failed to comment out all handbooks'
                else
                        # Disable subdirectories recursively
                        comment_all_add_subdirectory "${handbookdir}"
                        # Add requested translations
                        local lingua
                        for lingua in en ${KDE_LINGUAS}; do
                                if [[ ${lingua} = 'en' ]] || use linguas_${lingua}; then
                                        if [[ -d "${handbookdir}/${translationdir//%lingua/${lingua}}" ]]; then
                                                sed -e "/add_subdirectory[[:space:]]*([[:space:]]*${translationdir//%lingua/${lingua}}/s/^#DONOTCOMPILE //" \
                                                        -e "/ADD_SUBDIRECTORY[[:space:]]*([[:space:]]*${translationdir//%lingua/${lingua}}/s/^#DONOTCOMPILE //" \
                                                        -i "${handbookdir}"/CMakeLists.txt && ! has ${lingua} ${linguas} && linguas="${linguas} ${lingua}"
                                        fi
                                fi
                        done
                fi

        done
        [[ -n "${linguas}" ]] && einfo "Enabling handbook translations:${linguas}"
}

# @FUNCTION: get_build_type
# @DESCRIPTION:
# Determine whether we are using live ebuild or tbzs.
get_build_type() {
        if [[ ${SLOT} = live || ${PV} = *9999* ]]; then
                BUILD_TYPE="live"
        else
                BUILD_TYPE="release"
        fi
        export BUILD_TYPE
}

# @FUNCTION: migrate_store_dir
# @DESCRIPTION:
# Universal store dir migration
# * performs split of kdebase to kdebase-apps when needed
# * moves playground/extragear kde4-base-style to toplevel dir
migrate_store_dir() {
        local cleandir="${ESVN_STORE_DIR}/KDE"
        if [[ -d "${cleandir}" ]]; then
                ewarn "'${cleandir}' has been found. Moving contents to new location."
                addwrite "${ESVN_STORE_DIR}"
                # Split kdebase
                local module
                if pushd "${cleandir}"/kdebase/kdebase > /dev/null; then
                        for module in `find . -maxdepth 1 -type d -name [a-z0-9]\*`; do
                                module="${module#./}"
                                mkdir -p "${ESVN_STORE_DIR}/kdebase-${module}" && mv -f "${module}" "${ESVN_STORE_DIR}/kdebase-${module}" || \
                                        die "Failed to move to '${ESVN_STORE_DIR}/kdebase-${module}'."
                        done
                        popd > /dev/null
                        rm -fr "${cleandir}/kdebase" || \
                                die "Failed to remove ${cleandir}/kdebase. You need to remove it manually."
                fi
                # Move the rest
                local pkg
                for pkg in "${cleandir}"/*; do
                        mv -f "${pkg}" "${ESVN_STORE_DIR}"/ || eerror "Failed to move '${pkg}'"
                done
                rmdir "${cleandir}" || die "Could not move obsolete KDE store dir. Please move '${cleandir}' contents to appropriate location (possibly ${ESVN_STORE_DIR}) and manually remove '${cleandir}' in order to continue."
        fi

        if ! hasq kde4-meta ${INHERITED}; then
                case ${KMNAME} in
                        extragear*|playground*)
                                local svnlocalpath="${ESVN_STORE_DIR}"/"${KMNAME}"/"${PN}"
                                if [[ -d "${svnlocalpath}" ]]; then
                                        local destdir="${ESVN_STORE_DIR}"/"${ESVN_PROJECT}"/"`basename "${ESVN_REPO_URI}"`"
                                        ewarn "'${svnlocalpath}' has been found."
                                        ewarn "Moving contents to new location: ${destdir}"
                                        addwrite "${ESVN_STORE_DIR}"
                                        mkdir -p "${ESVN_STORE_DIR}"/"${ESVN_PROJECT}" && mv -f "${svnlocalpath}" "${destdir}" \
                                                || die "Failed to move to '${svnlocalpath}'"
                                        # Try cleaning empty directories
                                        rmdir "`dirname "${svnlocalpath}"`" 2> /dev/null
                                fi
                                ;;
                esac
        fi
}

# Functions handling KMLOADLIBS and KMSAVELIBS

# @FUNCTION: save_library_dependencies
# @DESCRIPTION:
# Add exporting CMake dependencies for current package
save_library_dependencies() {
        local depsfile="${T}/${PN}:${SLOT}"

        ebegin "Saving library dependencies in ${depsfile##*/}"
        echo "EXPORT_LIBRARY_DEPENDENCIES(\"${depsfile}\")" >> "${S}/CMakeLists.txt" || \
                die "Failed to save the library dependencies."
        eend $?
}

# @FUNCTION: install_library_dependencies
# @DESCRIPTION:
# Install generated CMake library dependencies to /var/lib/kde
install_library_dependencies() {
        local depsfile="${T}/${PN}:${SLOT}"

        ebegin "Installing library dependencies as ${depsfile##*/}"
        insinto /var/lib/kde
        doins "${depsfile}" || die "Failed to install library dependencies."
        eend $?
}

# @FUNCTION: load_library_dependencies
# @DESCRIPTION:
# Inject specified library dependencies in current package
load_library_dependencies() {
        local pn i depsfile
        ebegin "Injecting library dependencies from '${KMLOADLIBS}'"

        i=0
        for pn in ${KMLOADLIBS} ; do
                ((i++))
                depsfile="${EPREFIX}/var/lib/kde/${pn}:${SLOT}"
                [[ -r "${depsfile}" ]] || die "Depsfile '${depsfile}' not accessible. You probably need to reinstall ${pn}."
                sed -i -e "${i}iINCLUDE(\"${depsfile}\")" "${S}/CMakeLists.txt" || \
                        die "Failed to include library dependencies for ${pn}"
        done
        eend $?
}

# @FUNCTION: block_other_slots
# @DESCRIPTION:
# Create blocks for the current package in other slots when
# installed with USE=-kdeprefix
block_other_slots() {
        debug-print-function ${FUNCNAME} "$@"

        _do_blocker ${PN} 0:${SLOT}
}

# @FUNCTION: add_blocker
# @DESCRIPTION:
# Create correct RDEPEND value for blocking correct package.
# Useful for file-collision blocks.
# Parameters are package and version(s) to block.
# add_blocker kdelibs 4.2.4
# If no version is specified, then all versions will be blocked
# If any arguments (from 2 on) contain a ":", then different versions
# are blocked in different slots. (Unlisted slots get the version without
# a ":", if none, then all versions are blocked). The parameter is then of
# the form VERSION:SLOT.  Any VERSION of 0 means that no blocker will be
# added for that slot (or, if no slot, then for any unlisted slot).
# A parameter of the form :SLOT means to block all versions from that slot.
# If VERSION begins with "<", then "!<foo" will be used instead of "!<=foo".
# As a special case, if a parameter with slot "3.5" is passed, then that slot
# may also be blocked.
#
# Versions that match "4.x.50" are equivalent to all slots up to (and including)
# "4.x", but nothing following slot "4.x"
#
# As an example, if SLOT=live, then
#    add_blocker kdelibs 0 :4.3 '<4.3.96:4.4' 9999:live
# will add the following to RDEPEND:
#    !kdeprefix? ( !kde-base/kdelibs:4.3[-kdeprefix] )
#    !kdeprefix? ( !<kde-base/kdelibs-4.3.96:4.4[-kdeprefix] )
#    !<=kde-base/kdelibs-9999:live
add_blocker() {
        debug-print-function ${FUNCNAME} "$@"

        RDEPEND+=" $(_do_blocker "$@")"
}

# _greater_max_in_slot ver slot
# slot must be 4.x or live
# returns true if ver is >= the maximum possibile version in slot
_greater_max_in_slot() {
        local ver=$1
        local slot=$2
        # If slot is live, then return false
        # (nothing is greater than the maximum live version)
        [[ $slot == live ]] && return 1
        # Otherwise, for slot X.Y, test against X.Y.50
        local test=${slot}.50
        version_compare $1 ${test}
        # 1 = '<', 2 = '=', 3 = '>'
        (( $? != 1 ))
}

# _less_min_in_slot ver slot
# slot must be 4.x or live
# returns true if ver is <= the minimum possibile version in slot
_less_min_in_slot() {
        local ver=$1
        local slot=$2
        # If slot == live, then test with "9999_pre", so that 9999 tests false
        local test=9999_pre
        # If slot == X.Y, then test with X.(Y-1).50
        [[ $slot != live ]] && test=${slot%.*}.$((${slot#*.} - 1)).50
        version_compare $1 ${test}
        # 1 = '<', 2 = '=', 3 = '>'
        (( $? != 3 ))
}

# Internal function used for add_blocker and block_other_slots
# This takes the same parameters as add_blocker, but echos to
# stdout instead of updating a variable.
_do_blocker() {
        debug-print-function ${FUNCNAME} "$@"

        [[ -z ${1} ]] && die "Missing parameter"
        local pkg=kde-base/$1
        shift
        local param slot def="unset" var atom
        # The following variables will hold parameters that contain ":"
        #  - block_3_5
        #  - block_4_1
        #  - block_4_2
        #  - block_4_3
        #  - block_4_4
        #  - block_live
        for slot in 3.5 ${KDE_SLOTS[@]} ${KDE_LIVE_SLOTS[@]}; do
                local block_${slot//./_}="unset"
        done

        # This construct goes through each parameter passed, and sets
        # either def or block_* to the version passed
        for param; do
                # If the parameter does not have a ":" in it...
                if [[ ${param/:} == ${param} ]]; then
                        def=${param}
                else # the parameter *does* have a ":" in it
                        # so everything after the : is the slot...
                        slot=${param#*:}
                        # ...and everything before the : is the version
                        local block_${slot//./_}=${param%:*}
                fi
        done

        for slot in ${KDE_SLOTS[@]} ${KDE_LIVE_SLOTS[@]}; do
                # ${var} contains the name of the variable we care about for this slot
                # ${!var} is it's value
                var=block_${slot//./_}
                # if we didn't pass *:${slot}, then use the unsloted value
                [[ ${!var} == "unset" ]] && var=def

                # If no version was passed, or the version is greater than the maximum
                # possible version in this slot, block all versions in this slot
                if [[ ${!var} == "unset" ]] || [[ -z ${!var} ]] || _greater_max_in_slot ${!var#<} ${slot}; then
                        atom=${pkg}
                # If the version is "0" or less than the minimum possible version in
                # this slot, do nothing
                elif [[ ${!var} == "0" ]] || _less_min_in_slot ${!var#<} ${slot}; then
                        continue
                # If the version passed begins with a "<", then use "<" instead of "<="
                elif [[ ${!var:0:1} == "<" ]]; then
                        # this also removes the first character of the version, which is a "<"
                        atom="<${pkg}-${!var:1}"
                else
                        atom="<=${pkg}-${!var}"
                fi
                # we always block our own slot, ignoring kdeprefix
                if [[ ${SLOT} == ${slot} ]]; then
                        echo " !${atom}:${slot}"
                else
                        # we only block other slots on -kdeprefix
                        echo " !kdeprefix? ( !${atom}:${slot}[-kdeprefix] )"
                fi
        done

        # This is a special case block for :3.5; it does not use the
        # default version passed, and no blocker is output *unless* a version
        # is passed, or ":3.5" is passed to explicitly request a block on all
        # 3.5 versions.
        if [[ ${block_3_5} != "unset" && ${block_3_5} != "0" ]]; then
                if [[ -z ${block_3_5} ]]; then
                        atom=${pkg}
                elif [[ ${block_3_5:0:1} == "<" ]]; then
                        atom="<${pkg}-${block_3_5:1}"
                else
                        atom="<=${pkg}-${block_3_5}"
                fi
                echo " !${atom}:3.5"
        fi
}

# @FUNCTION: add_kdebase_dep
# @DESCRIPTION:
# Create proper dependency for kde-base/ dependencies,
# adding SLOT when needed (and *only* when needed).
# This takes 1 or 2 arguments.  The first being the package
# name, the optional second, is additional USE flags to append.
# The output of this should be added directly to DEPEND/RDEPEND, and
# may be wrapped in a USE conditional (but not an || conditional
# without an extra set of parentheses).
add_kdebase_dep() {
        debug-print-function ${FUNCNAME} "$@"

        [[ -z ${1} ]] && die "Missing parameter"

        local use=${2:+,${2}}

        if [[ ${KDEBASE} = kde-base ]]; then
                # FIXME remove hack when kdepim-4.4.{6,7} is gone
                local FIXME_PV
                if [[ ${KMNAME} = kdepim || ${PN} = kdepim-runtime ]] && [[ ${PV} = 4.4.6* || ${PV} = 4.4.7* ]] && [[ ${1} = kdelibs || ${1} = kdepimlibs ]]; then
                        FIXME_PV=4.4.5
                else
                        FIXME_PV=${PV}
                fi
                echo " !kdeprefix? ( >=kde-base/${1}-${FIXME_PV}[aqua=,-kdeprefix${use}] )"
                echo " kdeprefix? ( >=kde-base/${1}-${FIXME_PV}:${SLOT}[aqua=,kdeprefix${use}] )"
        else
                if [[ ${KDE_MINIMAL} = live ]]; then
                        echo " kde-base/${1}:${KDE_MINIMAL}[aqua=${use}]"
                else
                        echo " >=kde-base/${1}-${KDE_MINIMAL}[aqua=${use}]"
                fi
        fi
}