$ git clone -n https://src.fedoraproject.org/rpms/rust-lalr.git /var/lib/mock/f45-build-42814-796/root/chroot_tmpdir/scmroot/rust-lalr
Cloning into '/var/lib/mock/f45-build-42814-796/root/chroot_tmpdir/scmroot/rust-lalr'...
$ git fetch origin 0c81fd2ca301feb8755c4138ecbf616a78a904ac:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-lalr
 * [new ref]         0c81fd2ca301feb8755c4138ecbf616a78a904ac -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0c81fd2 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild