'
test_expect_success "follow-parent is atomic" '
+ record_size=$(($(test_oid rawsz) + 4)) &&
(
cd wc &&
svn_cmd up &&
mkdir -p "$GIT_DIR"/svn/refs/remotes/flunk@18 &&
rev_map=$(cd "$GIT_DIR"/svn/refs/remotes/stunk && ls .rev_map*) &&
dd if="$GIT_DIR"/svn/refs/remotes/stunk/$rev_map \
- of="$GIT_DIR"/svn/refs/remotes/flunk@18/$rev_map bs=24 count=1 &&
+ of="$GIT_DIR"/svn/refs/remotes/flunk@18/$rev_map bs=$record_size count=1 &&
rm -rf "$GIT_DIR"/svn/refs/remotes/stunk &&
git svn init --minimize-url -i flunk "$svnrepo"/flunk &&
git svn fetch -i flunk &&