$ git clone -n https://src.fedoraproject.org/rpms/kf6-kconfig.git /var/lib/mock/f42-build-3272248-41305/root/chroot_tmpdir/scmroot/kf6-kconfig
Cloning into '/var/lib/mock/f42-build-3272248-41305/root/chroot_tmpdir/scmroot/kf6-kconfig'...
$ git fetch origin 004c458f520877f0517a1d7ef0b1c4f0ef68fd91:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kconfig
 * [new ref]         004c458f520877f0517a1d7ef0b1c4f0ef68fd91 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 004c458 6.11.0