$ git clone -n https://src.fedoraproject.org/rpms/perl-PDF-Reuse.git /var/lib/mock/f45-build-25504-611/root/chroot_tmpdir/scmroot/perl-PDF-Reuse
Cloning into '/var/lib/mock/f45-build-25504-611/root/chroot_tmpdir/scmroot/perl-PDF-Reuse'...
$ git fetch origin 941e8c2896410053b079cb8aa3b3874dd47ffc8c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-PDF-Reuse
 * [new ref]         941e8c2896410053b079cb8aa3b3874dd47ffc8c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 941e8c2 0.44 bump