$ git clone -n https://src.fedoraproject.org/rpms/rust-libgweather.git /var/lib/mock/f41-build-side-1-3003312-36652/root/chroot_tmpdir/scmroot/rust-libgweather
Cloning into '/var/lib/mock/f41-build-side-1-3003312-36652/root/chroot_tmpdir/scmroot/rust-libgweather'...
$ git fetch origin 51e3aee7f74518df3ef16f57b8324d9443fa294b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-libgweather
 * [new ref]         51e3aee7f74518df3ef16f57b8324d9443fa294b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 51e3aee Update to version 4.5.0; Fixes RHBZ#2299715