$ git clone -n https://src.fedoraproject.org/rpms/scanless.git /var/lib/mock/f39-build-1461805-33284/root/chroot_tmpdir/scmroot/scanless
Cloning into '/var/lib/mock/f39-build-1461805-33284/root/chroot_tmpdir/scmroot/scanless'...
$ git fetch origin 151b4c1d00e59f8976fce62b182d1e2fb005772a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/scanless
 * [new ref]         151b4c1d00e59f8976fce62b182d1e2fb005772a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 151b4c1 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild