$ git clone -n https://src.fedoraproject.org/rpms/rust-shellexpand.git /var/lib/mock/f43-build-59216605-6571956/root/chroot_tmpdir/scmroot/rust-shellexpand
Cloning into '/var/lib/mock/f43-build-59216605-6571956/root/chroot_tmpdir/scmroot/rust-shellexpand'...
$ git fetch origin 14aba140db00271a04237178a5eb6f88ca2b1aa9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-shellexpand
 * [new ref]         14aba140db00271a04237178a5eb6f88ca2b1aa9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 14aba14 Update to version 3.1.1; Fixes RHBZ#2359519