$ git clone -n https://src.fedoraproject.org/rpms/bitstream.git /var/lib/mock/f40-build-2274632-55019/root/chroot_tmpdir/scmroot/bitstream
Cloning into '/var/lib/mock/f40-build-2274632-55019/root/chroot_tmpdir/scmroot/bitstream'...
$ git fetch origin 442d989b48415eba8136a696be832f5d44a4a72a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bitstream
 * [new ref]         442d989b48415eba8136a696be832f5d44a4a72a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 442d989 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild