$ git clone -n https://src.fedoraproject.org/rpms/blender.git /var/lib/mock/f40-build-801425-143781/root/chroot_tmpdir/scmroot/blender
Cloning into '/var/lib/mock/f40-build-801425-143781/root/chroot_tmpdir/scmroot/blender'...
$ git fetch origin 0d5cf19e630400464cdf10e559f3f1087e431436:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/blender
 * [new ref]         0d5cf19e630400464cdf10e559f3f1087e431436 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0d5cf19 Update to 4.0.2 (fedora#2253092)