$ git clone -n https://src.fedoraproject.org/rpms/bsfilter.git /var/lib/mock/f40-build-1991997-43543/root/chroot_tmpdir/scmroot/bsfilter
Cloning into '/var/lib/mock/f40-build-1991997-43543/root/chroot_tmpdir/scmroot/bsfilter'...
$ git fetch origin 38b02b97af198e968f17dba901332df54d47e3a5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bsfilter
 * [new ref]         38b02b97af198e968f17dba901332df54d47e3a5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 38b02b9 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild