$ git clone -n https://src.fedoraproject.org/rpms/gdal.git /var/lib/mock/f39-build-1983847-43346/root/chroot_tmpdir/scmroot/gdal
Cloning into '/var/lib/mock/f39-build-1983847-43346/root/chroot_tmpdir/scmroot/gdal'...
$ git fetch origin df64a19909c4005ffcdcb2b79156ebdab5f7c96a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gdal
 * [new ref]         df64a19909c4005ffcdcb2b79156ebdab5f7c96a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at df64a19 Fix sources