$ git clone -n https://src.fedoraproject.org/rpms/PDAL.git /var/lib/mock/f40-build-780313-130929/root/chroot_tmpdir/scmroot/PDAL
Cloning into '/var/lib/mock/f40-build-780313-130929/root/chroot_tmpdir/scmroot/PDAL'...
$ git fetch origin d57fa19894bf0a9ee42fe03253fd51a5dea7f6b7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/PDAL
 * [new ref]         d57fa19894bf0a9ee42fe03253fd51a5dea7f6b7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d57fa19 Update to 2.6.3