$ git clone -n https://src.fedoraproject.org/rpms/kf5-mailcommon.git /var/lib/mock/f33-build-147583-43123/root/chroot_tmpdir/scmroot/kf5-mailcommon
Cloning into '/var/lib/mock/f33-build-147583-43123/root/chroot_tmpdir/scmroot/kf5-mailcommon'...
$ git reset --hard f22d45b53f3bf8cd79f8aa7f3f679e3f4130c055
HEAD is now at f22d45b 19.12.3