source: projects/vbootstrap/trunk/libvbuilder.sh.in @ 5513

#!/bin/bash

initialize-variables(){
    ## set boolian variables
    with_profile=0
    with_setup_vbootstrap=0
    with_dist_upgrade=0
    with_unionfs=0
    with_sign=0
    with_no_install=0
    with_login=0
    with_debug=0
    with_actions=0
    with_ix86_on_x86_64=0
    with_category_main=0
    with_category_plus=0
    with_category_nonfree=0
    with_category_test=0
    with_category_proposed_updates=0
    with_category_security=0

    return 0
}

check-parameter(){
    [ -z "$*" ] && Usage && return 1

    while [ ! -z "$*" ]; do
        case $1 in
            --help|help)
                setup-vbuilder ||:
                Usage
                return 1
                ;;
            --profile)
                shift
                with_profile=1
                PROFILE=$1
                check-next-parameter $1 || return 1
                ;;
            --version|--arch|--category|--fetch-url|--target|--rpmbuild-define|--rpmbuild-with|--rpmbuild-without|--bootstrap-dir|--unionfs-dir|--cache-dir|--built-rpms-dir)
                [ $with_actions -eq 1 ] && \
                    echo $"E: You can give no more options after actions" && \
                    return 1
                shift
                check-next-parameter $1 || return 1
                ;;
            --dist-upgrade|--unionfs|--with-compat32|--sign|--no-install|--login|--debug)
                [ $with_actions -eq 1 ] && \
                    echo $"E: You can give no more options after actions" && \
                    return 1
                ;;
            --build-rpm|build-rpm|--install-rpm|install-rpm|--remove-rpm|remove-rpm)
                with_actions=1
                shift
                check-next-parameter $1 || return 1
                ;;
            --build|build|--clean|clean)
                with_actions=1
                ;;
            *)
                echo $"E: Missing some parameters after $1"
                return 1
                ;;
        esac
        shift
    done

    [ $with_actions -eq 0 ] && \
        echo $"E: You must give at least one action" && return 1

    return 0
}

check-next-parameter(){
    [ -z "$1" ] && echo $"E: Missing some parameters after $1" && return 1

    [ $(echo $1 | grep '^-') ] && \
        echo $"E: Missing some parameters after $1" && return 1

    return 0
}

## NOTE: setup-vbuilder() loads
##  - system wide configurations (from /etc/vbootstrap/vbuilder.conf)
##  - given profile (from /etc/vbootstrap/profile.d/*.conf)
##  - given command-line parameters 
## where given command-line parameters override the settings given profile, 
## and the settings given profile override system wide settings. 
## If you use a profile of vbuilder, you may not override the settings 
## given profile. 
setup-vbuilder(){
    ## check $SUDO_USER and $USERHELPER_UID
    RPM_SIGN_USER=$SUDO_USER
    if [ -z "${RPM_SIGN_USER}" ]; then
        [ -z "${USERHELPER_UID}" ] && \
            echo $"W: \$SUDO_USER and \$USERHELPER_UID are empty" && \
            return 1
            
        RPM_SIGN_USER=$(getent passwd $USERHELPER_UID | cut -d":" -f1)
    fi
    ## get $RPM_SIGN_USER's home directory
    HOME=$(getent passwd $RPM_SIGN_USER |  cut -d":" -f6)

    ## load default settings
    VBUILDER_CONF=/etc/vbootstrap/vbuilder.conf
    if [ -r $VBUILDER_CONF ]; then
        . $VBUILDER_CONF
        [ $? -eq 1 ] && return 1
    fi
    [ -z "${CATEGORIES}" ] && \
        CATEGORIES=@@VBUILDER_CATEGORIES@@
    [ -z "${VBOOTSTRAP_FETCH_URL}" ] && \
        VBOOTSTRAP_FETCH_URL=@@VBUILDER_VBOOTSTRAP_FETCH_URL@@
    [ -z "${VBOOTSTRAP_DIR}" ] && \
        VBOOTSTRAP_DIR=@@VBUILDER_VBOOTSTRAP_DIR@@
    [ -z "${UNIONFS_DIR}" ] && \
        UNIONFS_DIR=@@VBUILDER_UNIONFS_DIR@@
    [ -z "${CACHE_DIR}" ] && \
        CACHE_DIR=@@VBUILDER_CACHE_DIR@@
    [ -z "${BUILT_RPMS_DIR}" ] && \
        BUILT_RPMS_DIR=@@VBUILDER_BUILT_RPMS_DIR@@

    ## set default version for vbootstrap
    VERSION=@@VBUILDER_DEFAULT_VERSION@@

    ## load profile
    if [ ${with_profile} -eq 1 ]; then
        [ ! -r /etc/vbootstrap/profile.d/${PROFILE}.conf ] && \
            echo $"E: No such profile found: ${PROFILE}" && return 1

        . /etc/vbootstrap/profile.d/${PROFILE}.conf
        [ $? -eq 1 ] && return 1
    fi

    ## set current stable relase version
    STABLE_VERSION=@@VBUILDER_STABLE_VERSION@@

    ## set default chroot archtecture
    UARCH=$(uname -i)
    case "${UARCH}" in
        arm*)
            UARCH="arm"
            ;;
    esac

    return 0
}

setup-vbootstrap(){
    if [ ${with_setup_vbootstrap} -eq 0 ]; then
        with_setup_vbootstrap=1

        ## check debug mode
        [ ${with_debug} -eq 1 ] && \
            cat $VBUILDER_CONF && \
            set && set -x

        ## check some directories
        ## Note: create $BUILT_RPMS_DIR in RPM_Build()
        [ -d $VBOOTSTRAP_DIR ] || mkdir -p $VBOOTSTRAP_DIR
        [ -d $CACHE_DIR ] || mkdir -p $CACHE_DIR

        ## check chroot version
        case ${VERSION} in
            4.2|5.2|6.0|VineSeed)
                ;;
            *)
                echo $"E: ${VERSION} is NOT supported"
                return 1
                ;;
        esac

        case "${VARCH}" in
            arm*)
                VARCH="arm"
                ;;
        esac

        ## check a chroot archtecture
        if [ -z ${VARCH} ]; then
            VARCH=${UARCH}
        else
            case "${VARCH}" in
                i386|x86_64)
                    [ "${UARCH}" = "ppc" -o "${UARCH}" = "arm" ] && \
                        echo $"E: arch ${VARCH} is NOT supported on ${UARCH}" && return 1
                    ;;
                ppc)
                    [ "${UARCH}" = "i386" -o "${UARCH}" = "x86_64" -o "${UARCH}" = "arm" ] && \
                        echo $"E: arch ${VARCH} is NOT supported on ${UARCH}" && return 1
                    ;;
                arm)
                    [ "${UARCH}" = "i386" -o "${UARCH}" = "x86_64" -o "${UARCH}" = "ppc" ] && \
                        echo $"E: arch ${VARCH} is NOT supported on ${UARCH}" && return 1
                    ;;
            esac
        fi

        ##!! 4.2 is NO support on VARCH=x86_64 or VARCH=arch
        if [ "${VERSION}" = "4.2" ]; then
            if [ "${VARCH}" = "x86_64" -o "${VARCH}" = "arm" ]; then
                echo $"E: ${VERSION}_${VARCH} is NOT supported"
                return 1
            fi
        fi

        ## set base profile <version>_<arch>
        BASE_PROFILE=${VERSION}_${VARCH}

        ## check support ${BASE_PROFILE}
        if [ -z "$(/usr/sbin/vbootstrap | sed -e s/^Usage:.*// -e s/^E:.*// | grep -m 1 ${BASE_PROFILE})" ]; then
            echo $"E: ${BASE_PROFILE} is NOT supported"
            return 1
        fi

        ## check ${VERSION} equals VineSeed*, when with_dist_upgrade=1
        if [ $with_dist_upgrade -eq 1 ]; then
            if [ "${VERSION}" != "VineSeed" ]; then 
                echo $"E: version ${VERSION} does not support --dist-upgrade option"
                return 1
            fi
        fi

        ## support i386 chroot on x86_64 below: 
        [ "${UARCH}" = "x86_64" -a "${VARCH}" = "i386" ] && \
            with_ix86_on_x86_64=1

        ## check apt categories
        ## "main" category is unconditionally permited
        with_category_main=1
        for cat in $(echo ${CATEGORIES} | sed -e "s/,/ /"g); do
            case $cat in
                main)
                    with_category_main=1
                    ;;
                plus)
                    with_category_plus=1
                    ;;
                nonfree)
                    with_category_nonfree=1
                    ;;
                test)
                    ## "test" category only exists in VineSeed
                    [ "${VERSION}" = "VineSeed" ] || \
                        echo $"E: No such category exists: $cat" && return 1
                    with_category_test=1
                    ;;
                proposed-updates)
                    ##!! "proposed-updates" category does not exist in 4.2
                    [ "${VERSION}" = "4.2" ] && \
                        echo $"E: No such category exists: $cat" && return 1

                    with_category_proposed_updates=1
                    ;;
                security)
                    ## "security" category does not exist in VineSeed
                    [ "${VERSION}" = "VineSeed" ] && \
                        echo $"E: No such category exists: $cat" && return 1
                    with_category_security=1
                    ;;
                *)
                    echo $"E: No such category exists: $cat" && return 1
                    ;;
            esac
        done

        ## check build target option ${TARGET}
        if [ ! -z "${TARGET}" ]; then
            RPM_TARGET_LIST="$(cat /usr/lib/rpm/rpmrc | grep arch_canon: | sed -e "s/arch_canon:[[:blank:]]*\(.*\):.*/\1/")"
            RPM_TARGET_LIST="${RPM_TARGET_LIST} noarch"
            if [ -z "$(echo ${RPM_TARGET_LIST} | grep ${TARGET})" ]; then
                echo $"E: rpm build target ${TARGET} is NOT supported"
                return 1
            fi
        fi

        ## set ${RPM_PKG_ARCH_LIST}
        RPM_PKG_ARCH_LIST=" \
            RPMS/i386 RPMS/i486 RPMS/i586 RPMS/i686 RPMS/x86_64 RPMS/ppc \
            RPMS/noarch \
            RPMS/armv3l RPMS/armv4l RPMS/armv4tl \
            RPMS/armv5tejl RPMS/armv5tel RPMS/armv6l RPMS/armv7l \
            SRPMS"
        [ -z "${TARGET}" ] || \
            RPM_PKG_ARCH_LIST="RPMS/${TARGET} ${RPM_PKG_ARCH_LIST}"

    fi

    ## set global variables
    BUILD_USER=vbuilder
    BUILD_DIR=/home/${BUILD_USER}/rpm
    if [ ${with_profile} -eq 1 ]; then
        BUILD_ROOT=${VBOOTSTRAP_DIR}/${PROFILE}
        UNIONFS_ROOT=${UNIONFS_DIR}/${PROFILE}
    else
        BUILD_ROOT=${VBOOTSTRAP_DIR}/${BASE_PROFILE}
        UNIONFS_ROOT=${UNIONFS_DIR}/${BASE_PROFILE}
    fi
    ARCHIVES_DIR=${BUILD_ROOT}/var/cache/apt/archives
    EXTERNAL_ARCHIVES_DIR=${CACHE_DIR}/${BASE_PROFILE}/apt/archives

    __chroot_sh="/usr/sbin/chroot ${BUILD_ROOT} /bin/sh -c -l"

    mkdir -p $VBOOTSTRAP_DIR

    return 0
}

setup-vbootstrap-rpm(){
    setup-vbootstrap || return 1

    ## check ${BUILD_ROOT}
    [ -d ${BUILD_ROOT} ] || Build
    ## setarch ix86 if ix86 chroot on x86_64 host
    [ $with_ix86_on_x86_64 -eq 1 ] && \
        __chroot_sh="/usr/sbin/chroot ${BUILD_ROOT} setarch ${VARCH} /bin/sh -c -l"

    DIST_RELEASE=$(cat ${BUILD_ROOT}/etc/vine-release | cut -f3 -d" " | cut -f1 -d.)

    if [ -f $RPM_PKG ]; then
        BASE_RPM_PKG=$(basename $RPM_PKG)
        cp -f $RPM_PKG $BUILD_ROOT${BUILD_DIR}
    else
        BASE_RPM_PKG=$RPM_PKG   
    fi

    return 0
}

## recover apt-get data on host/chroot
apt-get-update(){
    case $1 in
        --host)
            echo -n $"apt-get update on host ... "
            apt-get -qq update > /dev/null 2>&1
            echo $"done."
            ;;
        --chroot)
            echo -n $"apt-get update on chroot ... "
            $__chroot_sh 'apt-get -qq update' > /dev/null 2>&1
            echo $"done."
            ;;
        *)
            echo apt-get-update: unknown option $1
            exit 1
            ;;
    esac
}

## mount-chroot {|--umount} [file system|name]
## support file systems: /home /tmp /sys /proc /dev/shm /dev/pts /dev
## support names: vfs archives_dir
## NOTE: /tmp needs for applications which use X
##       vfs is virtual file systems
##       archives_dir uses to mount ${EXTERNAL_ARCHIVES_DIR} to ${ARCHIVES_DIR}
##       unionfs_dir covers ${BUILD_ROOT} with unionfs
mount-chroot(){
    if [ "$1" = "--umount" ]; then
        mount-chroot-umount $2 || return 1
    else
        mount-chroot-mount $1 || return 1
    fi
    return 0
}

## mount-chroot-umount [file system|name]
mount-chroot-umount(){
    local fs=$1
    case $fs in
        /home|/tmp|/sys|/proc|/dev/shm|/dev/pts|/dev)
            [ -d ${BUILD_ROOT}${fs} ] || return 1
            [ -z "$(mount | grep ${BUILD_ROOT}${fs})" ] || \
                umount ${BUILD_ROOT}${fs}
            if [ ! -z "$(mount | grep ${BUILD_ROOT}${fs})" ]; then
                echo $"Retry lazy unmount ${BUILD_ROOT}${fs} ... "
                umount -l ${BUILD_ROOT}${fs}
                echo $"done."
            fi
            ;;
        vfs)
            for dir in /sys /proc /dev/shm /dev/pts /dev; do
                mount-chroot-umount ${dir} || return 1
            done
            ;;
        archives_dir)
            [ -d ${ARCHIVES_DIR} ] || return 1
            [ -z "$(mount | grep ${ARCHIVES_DIR})" ] || \
                umount ${ARCHIVES_DIR}
            ;;
        unionfs_dir)
            [ -d ${BUILD_ROOT} ] || return 1
            [ -z "$(mount | grep ${BUILD_ROOT} | egrep '(unionfs|aufs)')" ] || \
                umount ${BUILD_ROOT}
            if [ ! -z "$(mount | grep ${BUILD_ROOT} | egrep '(unionfs|aufs)')" ]; then
                echo $"Retry lazy unmount ${BUILD_ROOT} ... "
                umount -l ${BUILD_ROOT}
                echo $"done."
            fi
            ;;
        *)
            echo mount-chroot-umount: unknown file system $fs
            exit 1
            ;;
    esac
    return 0
}

## mount-chroot-mount [file system|name]
mount-chroot-mount(){
    local fs=$1

    case $fs in
        /home)
            [ -d ${BUILD_ROOT}${fs} ] || mkdir -p ${BUILD_ROOT}${fs}
            [ -z "$(mount | grep ${BUILD_ROOT}${fs})" ] && \
                mount -o _netdev,rbind ${fs} ${BUILD_ROOT}${fs}
            ;;
        /tmp|/dev)
            [ -d ${BUILD_ROOT}${fs} ] || mkdir -p ${BUILD_ROOT}${fs}
            [ -z "$(mount | grep ${BUILD_ROOT}${fs})" ] && \
                mount --bind -o _netdev ${fs} ${BUILD_ROOT}${fs}
            ;;
        /sys)
            [ -d ${BUILD_ROOT}${fs} ] || mkdir -p ${BUILD_ROOT}${fs}
            [ -z "$(mount | grep ${BUILD_ROOT}${fs})" ] && \
                mount -o _netdev -t sysfs vbuildersysfs ${BUILD_ROOT}${fs}
            ;;
        /proc)
            [ -d ${BUILD_ROOT}${fs} ] || mkdir -p ${BUILD_ROOT}${fs}
            [ -z "$(mount | grep ${BUILD_ROOT}${fs})" ] && \
                mount -o _netdev -t proc vbuilderproc ${BUILD_ROOT}${fs}
            ;;
        /dev/shm)
            [ -d ${BUILD_ROOT}${fs} ] || mkdir -p ${BUILD_ROOT}${fs}
            [ -z "$(mount | grep ${BUILD_ROOT}${fs})" ] && \
                mount -o _netdev -t tmpfs vbuildertmpfs ${BUILD_ROOT}${fs}
            ;;
        /dev/pts)
            [ -d ${BUILD_ROOT}${fs} ] || mkdir -p ${BUILD_ROOT}${fs}
            [ -z "$(mount | grep ${BUILD_ROOT}${fs})" ] && \
                mount -o gid=5,mode=620,_netdev -t devpts vbuilderdevpts ${BUILD_ROOT}${fs}
            ;;
        vfs)
            for dir in /dev /dev/pts /dev/shm /proc /sys; do
                mount-chroot-mount ${dir} || return 1
            done
            ;;
        archives_dir)
            [ -d ${EXTERNAL_ARCHIVES_DIR} ] || mkdir -p ${EXTERNAL_ARCHIVES_DIR}
            [ -d ${ARCHIVES_DIR} ] || mkdir -p ${ARCHIVES_DIR}
            [ -z "$(mount | grep ${ARCHIVES_DIR})" ] && \
                mount --bind -o _netdev ${EXTERNAL_ARCHIVES_DIR} ${ARCHIVES_DIR}
            [ -d ${ARCHIVES_DIR}/partial ] || mkdir -p ${ARCHIVES_DIR}/partial
            ;;
        unionfs_dir)
            if [ $with_unionfs -eq 1 ]; then
                [ -d ${UNIONFS_ROOT} ] || mkdir -p ${UNIONFS_ROOT}
                if ( /sbin/modprobe aufs >& /dev/null ) ; then
                    [ -z "$(mount | grep ${UNIONFS_ROOT})" ] && \
                        mount -t aufs -o br=${UNIONFS_ROOT}=rw:${BUILD_ROOT}=ro aufs ${BUILD_ROOT}
                else
                    [ -z "$(mount | grep ${UNIONFS_ROOT})" ] && \
                        mount -t unionfs -o dirs=${UNIONFS_ROOT}=rw:${BUILD_ROOT}=ro unionfs ${BUILD_ROOT}
                    unionctl ${BUILD_ROOT} --list
                fi
            fi
            ;;
        *)
            echo mount-chroot-mount: unknown file system $fs
            exit 1
            ;;
    esac
    return 0
}

### end of file