4 files changed, 48 insertions, 1 deletions
diff --git a/toolsrc/include/vcpkg_Dependencies.h b/toolsrc/include/vcpkg_Dependencies.h
new file mode 100644
index 000000000..94aa51f99
--- /dev/null
+++ b/toolsrc/include/vcpkg_Dependencies.h
@@ -0,0 +1,13 @@
+#pragma once
+#include <vector>
+#include "package_spec.h"
+#include "StatusParagraphs.h"
+#include <unordered_set>
+#include "vcpkg_paths.h"
+
+namespace vcpkg {namespace Dependencies
+{
+    std::vector<package_spec> create_dependency_ordered_install_plan(const vcpkg_paths& paths, const std::vector<package_spec>& specs, const StatusParagraphs& status_db);
+
+    std::unordered_set<package_spec> find_unmet_dependencies(const vcpkg_paths& paths, const std::vector<package_spec>& specs, const StatusParagraphs& status_db);
+}}
diff --git a/toolsrc/include/vcpkg_Maps.h b/toolsrc/include/vcpkg_Maps.h
new file mode 100644
index 000000000..5b7b8ed46
--- /dev/null
+++ b/toolsrc/include/vcpkg_Maps.h
@@ -0,0 +1,18 @@
+#pragma once
+
+#include <unordered_map>
+#include <unordered_set>
+
+namespace vcpkg { namespace Maps
+{
+    template <typename K, typename V>
+    std::unordered_set<K> extract_key_set(const std::unordered_map<K, V>& input_map)
+    {
+        std::unordered_set<K> key_set;
+        for (auto const& element : input_map)
+        {
+            key_set.insert(element.first);
+        }
+        return key_set;
+    }
+}}
diff --git a/toolsrc/include/vcpkg_Sets.h b/toolsrc/include/vcpkg_Sets.h
new file mode 100644
index 000000000..7b330f31c
--- /dev/null
+++ b/toolsrc/include/vcpkg_Sets.h
@@ -0,0 +1,17 @@
+#pragma once
+
+#include "vcpkg_Checks.h"
+#include <unordered_set>
+
+namespace vcpkg { namespace Sets
+{
+    template <typename T, typename Container>
+    void remove_all(std::unordered_set<T>* input_set, Container remove_these)
+    {
+        Checks::check_throw(input_set != nullptr, "Input set cannot be null");
+        for (const T& r : remove_these)
+        {
+            input_set->erase(r);
+        }
+    }
+}}
diff --git a/toolsrc/include/vcpkg_cmd_arguments.h b/toolsrc/include/vcpkg_cmd_arguments.h
index 5a5075d23..704290589 100644
--- a/toolsrc/include/vcpkg_cmd_arguments.h
+++ b/toolsrc/include/vcpkg_cmd_arguments.h
@@ -28,7 +28,6 @@ namespace vcpkg
 
         void check_max_args(size_t arg_count, const char* example_text = nullptr) const;
         std::vector<package_spec> parse_all_arguments_as_package_specs(const vcpkg_paths& paths, const triplet& default_target_triplet, const char* example_text = nullptr) const;
-        std::vector<package_spec> extract_package_specs_with_unmet_dependencies(const vcpkg_paths& paths, const triplet& default_target_triplet, const StatusParagraphs& status_db) const;
 
     private:
         std::unordered_set<std::string> optional_command_arguments;