$ git clone -n https://src.fedoraproject.org/rpms/mingw-binutils.git /var/lib/mock/f40-build-2228454-53081/root/chroot_tmpdir/scmroot/mingw-binutils
Cloning into '/var/lib/mock/f40-build-2228454-53081/root/chroot_tmpdir/scmroot/mingw-binutils'...
$ git fetch origin 56bf9105922e8fdf43090e0d8110eaa305b5926a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-binutils
 * [new ref]         56bf9105922e8fdf43090e0d8110eaa305b5926a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 56bf910 Update to 2.41