$ git clone -n https://src.fedoraproject.org/rpms/rust-weak-table.git /var/lib/mock/f45-build-46151-831/root/chroot_tmpdir/scmroot/rust-weak-table
Cloning into '/var/lib/mock/f45-build-46151-831/root/chroot_tmpdir/scmroot/rust-weak-table'...
$ git fetch origin 36a4d503c8da9ff419dd541025f3749e686039b7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-weak-table
 * [new ref]         36a4d503c8da9ff419dd541025f3749e686039b7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 36a4d50 Regenerate with rust2rpm v28