JustMr: Support absent tree structure roots

1 files changed, 10 insertions, 0 deletions

diff --git a/src/other_tools/repo_map/repos_to_setup_map.cpp b/src/other_tools/repo_map/repos_to_setup_map.cpp
index 383f763d..91a69c8b 100644
--- a/src/other_tools/repo_map/repos_to_setup_map.cpp
+++ b/src/other_tools/repo_map/repos_to_setup_map.cpp
@@ -670,6 +670,7 @@ void PrecomputedRootCheckout(ExpressionPtr const& repo_desc,
             auto& ws_root = cfg["workspace_root"];
             SetReposTakeOver(&cfg, repos, repo_name);
 
+            bool absent = false;
             if (auto computed = result.AsComputed()) {
                 ws_root.push_back(ComputedRoot::kMarker);
                 ws_root.push_back(computed->repository);
@@ -680,7 +681,16 @@ void PrecomputedRootCheckout(ExpressionPtr const& repo_desc,
             else if (auto tree_structure = result.AsTreeStructure()) {
                 ws_root.push_back(TreeStructureRoot::kMarker);
                 ws_root.push_back(tree_structure->repository);
+
+                absent = tree_structure->absent;
+            }
+
+            if (absent) {
+                auto pragma = nlohmann::json::object();
+                pragma["absent"] = true;
+                ws_root.push_back(pragma);
             }
+
             std::invoke(*setter, std::move(cfg));
         },
         logger);