#!/bin/sh

. $(dirname $0)/conf.sh

help="Options:
  setup
  add </path/to/1.rpm> ..."

createrepo_check() {
    cd $repos/rpm/ || {
        echo "Repository not found. Have you set it up?" >&2
        exit 1
    }
    test -x `which createrepo` || {
        echo "Must install createrepo to manage rpm packages" >&2
        exit 1
    }
    test -x `which rpmsign` || {
        echo "Must install rpmsign to sign rpm packages" >&2
        exit 1
    }
}

case $1 in
    setup)
        echo "Making rpm package repository folders"
        for arch in any x86_64 i386; do
            mkdir -p $repos/rpm/$arch || exit 1
        done
        echo "Making ReadMe file"
        echo "\
$setup_cmd_instruction

  (
  echo '[$label]'
  echo 'name=$origin'
  echo 'baseurl=http://$uri_root/rpm/\$basearch'
  echo 'enabled=1'
  echo 'gpgcheck=1'
  echo 'gpgkey=http://$uri_root/gpg.key'
  ) > /etc/yum.repos.d/greenstone.repo
  yum makecache

$install_cmd_instruction

  sudo yum install greenstone
" > $repos/rpm/ReadMe.txt
        ;;
    add)
        keyid=$(get_gpg)
        createrepo_check
        shift
        for pkg in $@; do
            # Default to all architectures unless an architecture is specified
            arch="any"
            echo $pkg | grep 'x86_64\.rpm' >/dev/null 2>/dev/null && {
                arch="x86_64"
            }
            echo $pkg | grep 'i686\.rpm' >/dev/null 2>/dev/null && {
                arch="i386"
            }
            name="$(basename $pkg)"
            echo "$name: $arch"
            cp $pkg $arch/
            # Unfortunately RPM is (as usual) sub-standard, and will not use
            # gpg-agent. As such, you will probably be forced to enter a pass
            # phrase for every single package that gets signed, regardless of
            # whether your GPG key even has a pass-phrase (just hit enter in
            # that case)
            echo "Signing $name..."
            rpmsign --key-id=$keyid --addsign $arch/$name
            # If arch is any, symlink package into all architectures
            if test "$arch" = "any"; then
                for link in x86_64 i386; do
                    echo "$name: $link (linked)"
                    cd $link
                    ln -sf ../any/$name $name
                    cd ..
                done
            fi
        done
        for arch in x86_64 i386; do
            cd $arch
            createrepo --update .
            rm -f repodata/repomd.xml.asc
            gpg --detach-sign --armor --use-agent --default-key $keyid repodata/repomd.xml
            cd ..
        done
        ;;
    -h|--help|help)
        echo "$help"
        ;;
    *)
        if test -z "$*"; then
            echo "$help"
        else
            createrepo_check
            createrepo $@
        fi
        ;;
esac