$ git clone -n https://src.fedoraproject.org/rpms/R-RODBC.git /var/lib/mock/f41-build-side-1-3141189-39987/root/chroot_tmpdir/scmroot/R-RODBC
Cloning into '/var/lib/mock/f41-build-side-1-3141189-39987/root/chroot_tmpdir/scmroot/R-RODBC'...
$ git fetch origin 2c86c0fe51cf3017830364269fc3a23849010565:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-RODBC
 * [new ref]         2c86c0fe51cf3017830364269fc3a23849010565 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2c86c0f convert license to SPDX