#!/bin/sh
function usage {
    cat <<EOM
Usage: $(basename $0) KOJI_BUILD_ROOT_REPO_ID LOCAL_PACKAGES...

Resolves all dependencies of LOCAL_PACKAGES against repository
KOJI_BUILD_ROOT_REPO_ID used in Koji when building packages.
EOM
    exit 1
}

REPOID="$1"
shift || usage
ARCH="$(uname -m)"

shopt -u nocasematch
PROVIDES=$(rpm -q --provides -p "$@" | sort -u | sed -e 's/ *$//')

IFS=$'\n'
for REQUIRES in $(rpm -q --requires -p "$@" | sort -u | sed -e 's/ *$//'); do
    # Omit special rpmlib() symbols
    [[ "$REQUIRES" =~ ^rpmlib\( ]] && continue

    # Test reflexive dependency
    echo "$PROVIDES" | grep -q "^${REQUIRES}" && continue

    # Query repository whether other packages provide the symbol
    # XXX: Two commands for each arch, bug #1186381
    test $( ( \
            dnf -q repoquery --repoid "$REPOID" --arch 'noarch' \
                --whatprovides "$REQUIRES" ;
            dnf -q repoquery --repoid "$REPOID" --arch "$ARCH" \
                --whatprovides "$REQUIRES" ;
        ) | wc -l ) -gt 0 && continue

    echo  "Unresolved dependency: $REQUIRES"
    UNRESOLVABLE=1
done

test -n "$UNRESOLVABLE" && exit 1
echo "Binary dependencies resolvable. Ok."