$ git clone -n https://src.fedoraproject.org/rpms/kf5-plasma.git /var/lib/mock/f40-build-788005-134983/root/chroot_tmpdir/scmroot/kf5-plasma
Cloning into '/var/lib/mock/f40-build-788005-134983/root/chroot_tmpdir/scmroot/kf5-plasma'...
$ git fetch origin 8cb16a2d183629e71539a7f76a2a403f7a525065:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-plasma
 * [new ref]         8cb16a2d183629e71539a7f76a2a403f7a525065 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8cb16a2 5.115.0