$ git clone -n https://src.fedoraproject.org/rpms/ghc-lens-family-core.git /var/lib/mock/f45-build-10458-418/root/chroot_tmpdir/scmroot/ghc-lens-family-core
Cloning into '/var/lib/mock/f45-build-10458-418/root/chroot_tmpdir/scmroot/ghc-lens-family-core'...
$ git fetch origin 554e05287dfd72ed80934d523f8cfcc7fca2aeb0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-lens-family-core
 * [new ref]         554e05287dfd72ed80934d523f8cfcc7fca2aeb0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 554e052 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild