$ git clone -n https://src.fedoraproject.org/rpms/rust-lalrpop.git /var/lib/mock/f40-build-1249969-22986/root/chroot_tmpdir/scmroot/rust-lalrpop
Cloning into '/var/lib/mock/f40-build-1249969-22986/root/chroot_tmpdir/scmroot/rust-lalrpop'...
$ git fetch origin d3ff36045ac14029ede84f0ba6c56cc18d6f4f82:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-lalrpop
 * [new ref]         d3ff36045ac14029ede84f0ba6c56cc18d6f4f82 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d3ff360 Update to version 0.20.2; Fixes RHBZ#2266811