$ git clone -n https://src.fedoraproject.org/rpms/rust-configparser.git /var/lib/mock/f40-build-2053998-49096/root/chroot_tmpdir/scmroot/rust-configparser
Cloning into '/var/lib/mock/f40-build-2053998-49096/root/chroot_tmpdir/scmroot/rust-configparser'...
$ git fetch origin e56df7eb6009d4c0b6d6978c031ea9049fe4ae27:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-configparser
 * [new ref]         e56df7eb6009d4c0b6d6978c031ea9049fe4ae27 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e56df7e Update to version 3.0.3; Fixes RHBZ#2250134