$ git clone -n https://src.fedoraproject.org/rpms/maven-filtering.git /var/lib/mock/f40-build-2200549-51781/root/chroot_tmpdir/scmroot/maven-filtering
Cloning into '/var/lib/mock/f40-build-2200549-51781/root/chroot_tmpdir/scmroot/maven-filtering'...
$ git fetch origin f2d52a7f206846d274485e23199c09f4f93bb591:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/maven-filtering
 * [new ref]         f2d52a7f206846d274485e23199c09f4f93bb591 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f2d52a7 Update javapackages test plan to f40