$ git clone -n https://src.fedoraproject.org/rpms/beediff.git /var/lib/mock/f39-build-1501299-34829/root/chroot_tmpdir/scmroot/beediff
Cloning into '/var/lib/mock/f39-build-1501299-34829/root/chroot_tmpdir/scmroot/beediff'...
$ git fetch origin b3b7a4e7882d4620f6fc5432c29ac67ff581be52:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/beediff
 * [new ref]         b3b7a4e7882d4620f6fc5432c29ac67ff581be52 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b3b7a4e Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild