$ git clone -n https://src.fedoraproject.org/rpms/cld2.git /var/lib/mock/f40-build-2339676-59668/root/chroot_tmpdir/scmroot/cld2
Cloning into '/var/lib/mock/f40-build-2339676-59668/root/chroot_tmpdir/scmroot/cld2'...
$ git fetch origin d895ddc5468ac3a89a48ffcf5ed6c42957a2142d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cld2
 * [new ref]         d895ddc5468ac3a89a48ffcf5ed6c42957a2142d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d895ddc Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild