$ git clone -n https://github.com/xcp-ng-rpms/intel-microcode.git /var/lib/mock/v8.3-incoming-9382-28134/root/chroot_tmpdir/scmroot/intel-microcode
Cloning into '/var/lib/mock/v8.3-incoming-9382-28134/root/chroot_tmpdir/scmroot/intel-microcode'...
$ git fetch origin 00aea1d611d4712869b3f3988af03e4e889f32ae:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/intel-microcode
 * [new ref]         00aea1d611d4712869b3f3988af03e4e889f32ae -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 00aea1d Merge pull request #7 from xcp-ng-rpms/stormi/XS-1717