$ git clone -n https://git.cclinux.org/stage/rpms/shim-unsigned-x64.git /mnt/compose/mock/dist-circle8-build-117159-78761/root/chroot_tmpdir/scmroot/shim-unsigned-x64
Cloning into '/mnt/compose/mock/dist-circle8-build-117159-78761/root/chroot_tmpdir/scmroot/shim-unsigned-x64'...
$ git fetch origin ca82ae9871082c9d5f42f9874a82e4977242c286:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/shim-unsigned-x64
 * [new ref]         ca82ae9871082c9d5f42f9874a82e4977242c286 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ca82ae9 import shim-unsigned-x64-15.8-2.el8