$ git clone -n https://src.fedoraproject.org/rpms/kf5-kdesignerplugin.git /var/lib/mock/f40-build-787623-134873/root/chroot_tmpdir/scmroot/kf5-kdesignerplugin
Cloning into '/var/lib/mock/f40-build-787623-134873/root/chroot_tmpdir/scmroot/kf5-kdesignerplugin'...
$ git fetch origin 2cbb221dec94cc538c40b1502c85d9788ac57535:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kdesignerplugin
 * [new ref]         2cbb221dec94cc538c40b1502c85d9788ac57535 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2cbb221 5.115.0