$ git clone -n https://src.fedoraproject.org/rpms/dd_rescue.git /var/lib/mock/f40-build-2196196-51557/root/chroot_tmpdir/scmroot/dd_rescue
Cloning into '/var/lib/mock/f40-build-2196196-51557/root/chroot_tmpdir/scmroot/dd_rescue'...
$ git fetch origin 2518a15a7835956b6a28e8c8b4e33e2cae43fc0c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dd_rescue
 * [new ref]         2518a15a7835956b6a28e8c8b4e33e2cae43fc0c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2518a15 merge in the fix for SPDX license string