$ git clone -n https://src.fedoraproject.org/rpms/plymouth-kcm.git /var/lib/mock/f31-build-91966-32343/root/thebuilddir/tmp/scmroot/plymouth-kcm
Cloning into '/var/lib/mock/f31-build-91966-32343/root/thebuilddir/tmp/scmroot/plymouth-kcm'...
$ git reset --hard 497d539f1f4327147f066b371a7851fb658cad0c
HEAD is now at 497d539 5.16.4