From 1f4edf773b98ad04cc24f281b8cfb64255f72fb1 Mon Sep 17 00:00:00 2001
From: Paul Cristian Sarbu <paul.cristian.sarbu@huawei.com>
Date: Fri, 9 Sep 2022 10:46:47 +0200
Subject: Just-MR: Add repos-to-setup map

Contains the logic for the checkout of all supported repositories.
---
 src/other_tools/just_mr/utils.hpp | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'src/other_tools/just_mr/utils.hpp')

diff --git a/src/other_tools/just_mr/utils.hpp b/src/other_tools/just_mr/utils.hpp
index 2da0155a..dffed7c1 100644
--- a/src/other_tools/just_mr/utils.hpp
+++ b/src/other_tools/just_mr/utils.hpp
@@ -18,6 +18,7 @@
 #include <unordered_set>
 
 #include "nlohmann/json.hpp"
+#include "src/buildtool/build_engine/expression/configuration.hpp"
 #include "src/buildtool/execution_api/local/config.hpp"
 #include "src/buildtool/main/constants.hpp"
 #include "src/utils/cpp/tmp_dir.hpp"
@@ -152,6 +153,21 @@ namespace Utils {
 void AddDistfileToCAS(std::filesystem::path const& distfile,
                       JustMR::PathsPtr const& just_mr_paths) noexcept;
 
+/// \brief Recursive part of the ResolveRepo function.
+/// Keeps track of repository names to detect any cyclic dependencies.
+auto ResolveRepo(ExpressionPtr const& repo_desc,
+                 ExpressionPtr const& repos,
+                 gsl::not_null<std::unordered_set<std::string>*> const& seen)
+    -> std::optional<ExpressionPtr>;
+
+/// \brief Resolves any cyclic dependency issues and follows the repository
+/// dependencies until the one containing the WS root is found.
+/// Returns a repository entry as an ExpressionPtr, or nullopt if cyclic
+/// dependency found.
+auto ResolveRepo(ExpressionPtr const& repo_desc,
+                 ExpressionPtr const& repos) noexcept
+    -> std::optional<ExpressionPtr>;
+
 }  // namespace Utils
 
 }  // namespace JustMR
-- 
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