$ git clone -n https://src.fedoraproject.org/rpms/xfsprogs.git /var/lib/mock/f41-build-827603-155313/root/chroot_tmpdir/scmroot/xfsprogs
Cloning into '/var/lib/mock/f41-build-827603-155313/root/chroot_tmpdir/scmroot/xfsprogs'...
$ git fetch origin d946b7705c40ae036a54178201f1608cb19d931a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xfsprogs
 * [new ref]         d946b7705c40ae036a54178201f1608cb19d931a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d946b77 Update to laterst upstream v6.9.0