epm-repack-rpm

#!/bin/sh
#
# Copyright (C) 2017-2018, 2020  Etersoft
# Copyright (C) 2017-2018, 2020  Vitaly Lipatov <lav@etersoft.ru>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#

# args: pkgname buildroot spec
__fix_spec()
{
    local pkgname="$1"
    local buildroot="$2"
    local spec="$3"
    local i

    # drop forbidded paths
    # https://bugzilla.altlinux.org/show_bug.cgi?id=38842
    for i in / /etc /etc/init.d /etc/systemd /bin /opt /usr /usr/bin /usr/share /usr/share/doc /var /var/log /var/run \
            /etc/cron.daily /usr/share/icons /usr/share/pixmaps /usr/share/man /usr/share/man/man1 /usr/share/appdata /usr/share/applications /usr/share/menu ; do
        sed -i \
            -e "s|/\./|/|" \
            -e "s|^%dir[[:space:]]\"$i/*\"$||" \
            -e "s|^%dir[[:space:]]$i/*$||" \
            -e "s|^\"$i/*\"$||" \
            -e "s|^$i/*$||" \
            $spec
    done

    # commented out: conflicts with already installed package
    # drop %dir for existed system dirs
    #for i in $(grep '^%dir "' $spec | sed -e 's|^%dir  *"\(.*\)".*|\1|' ) ; do #"
    #    echo "$i" | grep -q '^/opt/' && continue
    #    [ -d "$i" ] && [ -n "$verbose" ] && echo "drop dir $i from packing, it exists in the system"
    #done

    # replace dir "/path/dir" -> %dir /path/dir
    grep '^"/' $spec | sed -e 's|^"\(/.*\)"$|\1|' | while read i ; do
        # add dir as %dir in the filelist
        if [ -d "$buildroot$i" ] ; then
            subst "s|^\(\"$i\"\)$|%dir \1|" $spec
        #else
        #    subst 's|^\("'$i'"\)$|\1|' $spec
        fi
    done

    # FIXME: where is a source of the bug with empty Summary?
    subst "s|Summary: *$|Summary: $pkgname (was empty Summary after alien)|" $spec
    subst "s|^\(Version: .*\)~.*|\1|" $spec
    subst "s|^Release: |Release: epm1.repacked.|" $spec
    subst "s|^Distribution:.*||" $spec
    subst "s|^\((Converted from a\) \(.*\) \(package.*\)|(Repacked from binary \2 package with epm $EPMVERSION)\n\1 \2 \3|" $spec
    #" hack for highlight
}


# args: pkgname buildroot spec
__apply_fix_code()
{
    local repackcode="$EPM_REPACK_SCRIPTS_DIR/$1.sh"
    [ -s "$repackcode" ] || return
    [ -f "$repackcode.rpmnew" ] && warning "There is .rpmnew file(s) in $EPM_REPACK_SCRIPTS_DIR dir. The pack script can be outdated."

    shift
    export PATH=$PROGDIR:$PATH
    local bashopt=''
    [ -n "$verbose" ] && bashopt='-x'
    ( unset EPMCURDIR ; docmd $CMDSHELL $bashopt $repackcode "$1" "$2" "$3" ) || fatal "There is an error from $repackcode script"
}

__create_rpmmacros()
{
# FIXME:
[ -n "$TMPDIR" ] || TMPDIR=/tmp

    cat <<EOF >$HOME/.rpmmacros
%_topdir    $HOME/RPM
%_tmppath    $TMPDIR

%packager    EPM <support@eepm.ru>
%_vendor    EEPM
%_gpg_name    support@etersoft.ru

%_allow_root_build    1
EOF
    to_remove_pkg_files="$to_remove_pkg_files $HOME/.rpmmacros"
}


# will fill repacked_pkgs var
__epm_repack_to_rpm()
{
    local pkgs="$*"
    #case $DISTRNAME in
    #    ALTLinux|ALTServer)
    #        ;;
    #    *)
    #        assure_distr ALTLinux "install --repack for rpm target"
    #        ;;
    #esac

    # Note: install epm-repack for static (package based) dependencies
    assure_exists alien || fatal

    # TODO: check for all systems
    case $PKGFORMAT in
        rpm)
            assure_exists /usr/bin/rpmbuild rpm-build || fatal
            ;;
        deb)
            assure_exists /usr/bin/rpmbuild rpm || fatal
            ;;
    esac

    # TODO: improve
    if echo "$pkgs" | grep -q "\.deb" ; then
        assure_exists dpkg || fatal
        # TODO: Для установки требует: /usr/share/debconf/confmodule но пакет не может быть установлен
        # assure_exists debconf
    fi

    local pkg
    export HOME="$(mktemp -d --tmpdir=$BIGTMPDIR)"
    to_clean_tmp_dirs="$to_clean_tmp_dirs $HOME"
    trap "__epm_remove_tmp_files" EXIT
    __create_rpmmacros

    local alpkg
    local abspkg
    local tmpbuilddir
    repacked_pkgs=''
    for pkg in $pkgs ; do
        tmpbuilddir=$HOME/$(basename $pkg).tmpdir
        mkdir $tmpbuilddir
        abspkg="$(realpath $pkg)"
        info ""
        info "Repacking $abspkg to local rpm format (inside $tmpbuilddir) ..."

        alpkg=$(basename $pkg)
        # don't use abs package path: copy package to temp dir and use there
        cp $verbose $pkg $tmpbuilddir/../$alpkg

        cd $tmpbuilddir/../ || fatal
        __prepare_source_package "$pkg"
        cd $tmpbuilddir/ || fatal

        if [ -n "$verbose" ] ; then
            docmd alien --generate --to-rpm $verbose $scripts "../$alpkg" || fatal
        else
            showcmd alien --generate --to-rpm $scripts "../$alpkg"
            a='' alien --generate --to-rpm $scripts "../$alpkg" >/dev/null || fatal
        fi

        local subdir="$(echo *)"
        [ -d "$subdir" ] || fatal "can't find subdir in $(pwd)"

        # detect spec and move to prev dir
        local spec="$(echo $tmpbuilddir/$subdir/*.spec)"
        [ -s "$spec" ] || fatal "Can't find spec $spec"
        mv $spec $tmpbuilddir || fatal
        spec="$tmpbuilddir/$(basename "$spec")"
        #__set_name_version $spec $PKGNAME $VERSION
        local pkgname="$(grep "^Name: " $spec | sed -e "s|Name: ||g" | head -n1)"

        # for tarballs fix permissions
        [ -n "$VERSION" ] && chmod $verbose -R a+rX $tmpbuilddir/$subdir/*

        __fix_spec $pkgname $tmpbuilddir/$subdir $spec
        __apply_fix_code "generic" $tmpbuilddir/$subdir $spec $pkgname
        [ -n "$SUBGENERIC" ] && __apply_fix_code "generic-$SUBGENERIC" $tmpbuilddir/$subdir $spec
        __apply_fix_code $pkgname $tmpbuilddir/$subdir $spec $pkgname
        # TODO: we need these dirs to be created
        to_remove_pkg_dirs="$to_remove_pkg_dirs $HOME/RPM/BUILD $HOME/RPM"

        TARGETARCH=$(epm print info -a | sed -e 's|^x86$|i586|')

        showcmd rpmbuild --buildroot $tmpbuilddir/$subdir --target $TARGETARCH -bb $spec
        if [ -n "$verbose" ] ; then
            a='' rpmbuild --buildroot $tmpbuilddir/$subdir --target $TARGETARCH -bb $spec || fatal
        else
            a='' rpmbuild --buildroot $tmpbuilddir/$subdir --target $TARGETARCH -bb $spec >/dev/null || fatal
        fi
        # remove copy of source binary package (don't mix with generated)
        rm -f $tmpbuilddir/../$alpkg
        local repacked_rpm="$(realpath $tmpbuilddir/../*.rpm)"
        if [ -s "$repacked_rpm" ] ; then
            repacked_pkgs="$repacked_pkgs $repacked_rpm"
            to_remove_pkg_files="$to_remove_pkg_files $repacked_rpm"
        else
            warning "Can't find converted rpm for source binary package '$pkg'"
        fi
        cd $EPMCURDIR >/dev/null
        rm -rf $tmpbuilddir/$subdir/
        rm -rf $spec
    done

    rmdir $tmpbuilddir
    #rmdir $tmpbuilddir/..
    true
}