$ git clone -n https://src.fedoraproject.org/rpms/cloud-utils.git /var/lib/mock/f45-build-4195-330/root/chroot_tmpdir/scmroot/cloud-utils
Cloning into '/var/lib/mock/f45-build-4195-330/root/chroot_tmpdir/scmroot/cloud-utils'...
$ git fetch origin 2c19ece8444ca1e8fd4bbffda0222a1c432f8c29:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cloud-utils
 * [new ref]         2c19ece8444ca1e8fd4bbffda0222a1c432f8c29 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2c19ece Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild