$ git clone -n https://src.fedoraproject.org/rpms/mingw-directxmath.git /var/lib/mock/f45-build-18409-515/root/chroot_tmpdir/scmroot/mingw-directxmath
Cloning into '/var/lib/mock/f45-build-18409-515/root/chroot_tmpdir/scmroot/mingw-directxmath'...
$ git fetch origin 71fd8aefb3b84d41b612e1335763fd30c2d10776:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-directxmath
 * [new ref]         71fd8aefb3b84d41b612e1335763fd30c2d10776 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 71fd8ae Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild