$ git clone -n https://src.fedoraproject.org/rpms/perl-POE-XS-Queue-Array.git /var/lib/mock/f45-build-25564-611/root/chroot_tmpdir/scmroot/perl-POE-XS-Queue-Array
Cloning into '/var/lib/mock/f45-build-25564-611/root/chroot_tmpdir/scmroot/perl-POE-XS-Queue-Array'...
$ git fetch origin 671d3a03f7caa9a3f1570474e133cb5c37acfa7d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-POE-XS-Queue-Array
 * [new ref]         671d3a03f7caa9a3f1570474e133cb5c37acfa7d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 671d3a0 Perl 5.44 rebuild