$ git clone -n https://git.cclinux.org/stage/rpms/shim-unsigned-x64.git /var/lib/mock/dist-circle8-build-21450-3916/root/chroot_tmpdir/scmroot/shim-unsigned-x64
Cloning into '/var/lib/mock/dist-circle8-build-21450-3916/root/chroot_tmpdir/scmroot/shim-unsigned-x64'...
$ git reset --hard 7776320e95c4124d5ea8782638df27c78a8310e1
HEAD is now at 7776320 import shim-unsigned-x64-15-9.el8