$ git clone -n https://src.fedoraproject.org/rpms/AMF.git /var/lib/mock/f40-build-2244328-53703/root/chroot_tmpdir/scmroot/AMF
Cloning into '/var/lib/mock/f40-build-2244328-53703/root/chroot_tmpdir/scmroot/AMF'...
$ git fetch origin 1100f03991c75a1e412799419e714bd5446b5b07:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/AMF
 * [new ref]         1100f03991c75a1e412799419e714bd5446b5b07 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1100f03 Update to 1.4.32