$ git clone -n https://src.fedoraproject.org/rpms/ccd2iso.git /var/lib/mock/f45-build-5820-342/root/chroot_tmpdir/scmroot/ccd2iso
Cloning into '/var/lib/mock/f45-build-5820-342/root/chroot_tmpdir/scmroot/ccd2iso'...
$ git fetch origin 73cf268d6271c6beb4de0ddc0ba29f351fa047f3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ccd2iso
 * [new ref]         73cf268d6271c6beb4de0ddc0ba29f351fa047f3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 73cf268 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild