$ git clone -n https://src.fedoraproject.org/rpms/mpsolve.git /var/lib/mock/f41-build-1022673-18093/root/chroot_tmpdir/scmroot/mpsolve
Cloning into '/var/lib/mock/f41-build-1022673-18093/root/chroot_tmpdir/scmroot/mpsolve'...
$ git fetch origin 1df3a726fe62ba38c3e0a1bbb600709ac79c6c44:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mpsolve
 * [new ref]         1df3a726fe62ba38c3e0a1bbb600709ac79c6c44 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1df3a72 Update %my_octave_pkg_install for recent rpm changes