$ git clone -n https://src.fedoraproject.org/rpms/rust-configparser.git /var/lib/mock/f41-build-1253593-23008/root/chroot_tmpdir/scmroot/rust-configparser
Cloning into '/var/lib/mock/f41-build-1253593-23008/root/chroot_tmpdir/scmroot/rust-configparser'...
$ git fetch origin 919dc2e75e97e83d545abb8c74923d6b0a6d88c5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-configparser
 * [new ref]         919dc2e75e97e83d545abb8c74923d6b0a6d88c5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 919dc2e Update to version 3.1.0; Fixes RHBZ#2291303