$ git clone -n https://src.fedoraproject.org/rpms/pam_yubico.git /var/lib/mock/f45-build-21333-583/root/chroot_tmpdir/scmroot/pam_yubico
Cloning into '/var/lib/mock/f45-build-21333-583/root/chroot_tmpdir/scmroot/pam_yubico'...
$ git fetch origin 2f448387f25e88384f66811aaa46c337920733cd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pam_yubico
 * [new ref]         2f448387f25e88384f66811aaa46c337920733cd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2f44838 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild