$ git clone -n https://src.fedoraproject.org/rpms/gnu-efi.git /var/lib/mock/f41-build-745421-13348/root/chroot_tmpdir/scmroot/gnu-efi
Cloning into '/var/lib/mock/f41-build-745421-13348/root/chroot_tmpdir/scmroot/gnu-efi'...
$ git fetch origin e659a63f8711bbb72dc40fd3f332a9b07e7c5aa5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnu-efi
 * [new ref]         e659a63f8711bbb72dc40fd3f332a9b07e7c5aa5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e659a63 Backport latest fixes to fix some fwupd-efi failures