$ git clone -n https://src.fedoraproject.org/rpms/gdal.git /var/lib/mock/f40-build-783010-132540/root/chroot_tmpdir/scmroot/gdal
Cloning into '/var/lib/mock/f40-build-783010-132540/root/chroot_tmpdir/scmroot/gdal'...
$ git fetch origin e9a4e4940e92dfb6880a535fb46495134cf2df7f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gdal
 * [new ref]         e9a4e4940e92dfb6880a535fb46495134cf2df7f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e9a4e49 BR: libarchive