$ git clone -n https://src.fedoraproject.org/rpms/ucl.git /var/lib/mock/f40-build-2170946-51036/root/chroot_tmpdir/scmroot/ucl
Cloning into '/var/lib/mock/f40-build-2170946-51036/root/chroot_tmpdir/scmroot/ucl'...
$ git fetch origin ac75676845ee434bd0396526a3165d75670d3f2b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ucl
 * [new ref]         ac75676845ee434bd0396526a3165d75670d3f2b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ac75676 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild