$ git clone -n https://src.fedoraproject.org/rpms/llvm-test-suite.git /var/lib/mock/f41-build-side-1-2647944-27325/root/chroot_tmpdir/scmroot/llvm-test-suite
Cloning into '/var/lib/mock/f41-build-side-1-2647944-27325/root/chroot_tmpdir/scmroot/llvm-test-suite'...
$ git fetch origin cef2d1ac86851e35b86bd1b31fad14d62135a4f4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/llvm-test-suite
 * [new ref]         cef2d1ac86851e35b86bd1b31fad14d62135a4f4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cef2d1a convert license to SPDX