$ git clone -n https://src.fedoraproject.org/rpms/libplasma.git /var/lib/mock/f40-build-797982-141644/root/chroot_tmpdir/scmroot/libplasma
Cloning into '/var/lib/mock/f40-build-797982-141644/root/chroot_tmpdir/scmroot/libplasma'...
$ git fetch origin db690084eacb20094d371cba030037910104150b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libplasma
 * [new ref]         db690084eacb20094d371cba030037910104150b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at db69008 6.0.2