$ git clone -n https://src.fedoraproject.org/rpms/lmdb.git /var/lib/mock/f40-build-788910-135460/root/chroot_tmpdir/scmroot/lmdb
Cloning into '/var/lib/mock/f40-build-788910-135460/root/chroot_tmpdir/scmroot/lmdb'...
$ git fetch origin 3432c425697539bd8ac3abc775a3dda3dd5a1910:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lmdb
 * [new ref]         3432c425697539bd8ac3abc775a3dda3dd5a1910 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3432c42 Update to version 0.9.32 (rhbz#2261350)