$ git clone -n https://src.fedoraproject.org/rpms/meteo.git /var/lib/mock/f39-build-1450369-32746/root/chroot_tmpdir/scmroot/meteo
Cloning into '/var/lib/mock/f39-build-1450369-32746/root/chroot_tmpdir/scmroot/meteo'...
$ git fetch origin 5b86a0a21966789c0638ee280e7e7c80ca8081e8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/meteo
 * [new ref]         5b86a0a21966789c0638ee280e7e7c80ca8081e8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5b86a0a Convert to %autorelease and %autochangelog