$ git clone -n https://src.fedoraproject.org/rpms/rust-numpy.git /var/lib/mock/f45-build-43479-803/root/chroot_tmpdir/scmroot/rust-numpy
Cloning into '/var/lib/mock/f45-build-43479-803/root/chroot_tmpdir/scmroot/rust-numpy'...
$ git fetch origin 920c88da3f012fcec14cf99d4f90035bd1c83cab:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-numpy
 * [new ref]         920c88da3f012fcec14cf99d4f90035bd1c83cab -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 920c88d Update to version 0.29.0; Fixes RHBZ#2437608