$ git clone -n https://src.fedoraproject.org/rpms/yubico-piv-tool.git /var/lib/mock/f45-build-39282-733/root/chroot_tmpdir/scmroot/yubico-piv-tool
Cloning into '/var/lib/mock/f45-build-39282-733/root/chroot_tmpdir/scmroot/yubico-piv-tool'...
$ git fetch origin 2c17f7d22d48b114f27a6397cd2b8316e019c590:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/yubico-piv-tool
 * [new ref]         2c17f7d22d48b114f27a6397cd2b8316e019c590 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2c17f7d Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild