$ git clone -n https://src.fedoraproject.org/rpms/brewtarget.git /var/lib/mock/f40-build-1615929-24080/root/chroot_tmpdir/scmroot/brewtarget
Cloning into '/var/lib/mock/f40-build-1615929-24080/root/chroot_tmpdir/scmroot/brewtarget'...
$ git fetch origin d2024d7890c8c46435d0089bd5870158c494c138:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/brewtarget
 * [new ref]         d2024d7890c8c46435d0089bd5870158c494c138 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d2024d7 [packit] 3.0.11 upstream release