$ git clone -n https://src.fedoraproject.org/rpms/plasma-mobile.git /var/lib/mock/f40-build-2435570-60784/root/chroot_tmpdir/scmroot/plasma-mobile
Cloning into '/var/lib/mock/f40-build-2435570-60784/root/chroot_tmpdir/scmroot/plasma-mobile'...
$ git fetch origin 8894a10c2caf5d7e6bc8db67fa5465b9c4b04d63:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-mobile
 * [new ref]         8894a10c2caf5d7e6bc8db67fa5465b9c4b04d63 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8894a10 5.93.0