$ git clone -n https://src.fedoraproject.org/rpms/shim-unsigned-x64.git /var/lib/mock/f33-build-622996-67548/root/chroot_tmpdir/scmroot/shim-unsigned-x64
Cloning into '/var/lib/mock/f33-build-622996-67548/root/chroot_tmpdir/scmroot/shim-unsigned-x64'...
$ git reset --hard 6d2283c55232c39641fbc0b611bafae574ded985
HEAD is now at 6d2283c Fix the package version in the .sbat data.