$ git clone -n https://src.fedoraproject.org/rpms/scponly.git /var/lib/mock/f45-build-35684-698/root/chroot_tmpdir/scmroot/scponly
Cloning into '/var/lib/mock/f45-build-35684-698/root/chroot_tmpdir/scmroot/scponly'...
$ git fetch origin de23c597699dbe7770bbe189e42f9e121cbd1b7d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/scponly
 * [new ref]         de23c597699dbe7770bbe189e42f9e121cbd1b7d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at de23c59 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild