$ git clone -n https://src.fedoraproject.org/rpms/rust-enumn.git /var/lib/mock/f41-build-side-1-2757835-31472/root/chroot_tmpdir/scmroot/rust-enumn
Cloning into '/var/lib/mock/f41-build-side-1-2757835-31472/root/chroot_tmpdir/scmroot/rust-enumn'...
$ git fetch origin 2eb82d325801f6318fc703933fe67927c40fdc4f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-enumn
 * [new ref]         2eb82d325801f6318fc703933fe67927c40fdc4f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2eb82d3 Update to version 0.1.14; Fixes RHBZ#2301458