$ git clone -n https://src.fedoraproject.org/rpms/recutils.git /var/lib/mock/f45-build-34407-686/root/chroot_tmpdir/scmroot/recutils
Cloning into '/var/lib/mock/f45-build-34407-686/root/chroot_tmpdir/scmroot/recutils'...
$ git fetch origin 22e7e289279f9277e3a9211dbb4a37a52c378f93:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/recutils
 * [new ref]         22e7e289279f9277e3a9211dbb4a37a52c378f93 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 22e7e28 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild