$ git clone -n https://src.fedoraproject.org/rpms/rust-ingredients.git /var/lib/mock/f45-build-42596-795/root/chroot_tmpdir/scmroot/rust-ingredients
Cloning into '/var/lib/mock/f45-build-42596-795/root/chroot_tmpdir/scmroot/rust-ingredients'...
$ git fetch origin 47fedf76f55ac6701f0e67b47bf9b4e88529a743:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-ingredients
 * [new ref]         47fedf76f55ac6701f0e67b47bf9b4e88529a743 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 47fedf7 Update to version 0.3.2; Fixes RHBZ#2544923