[package_spec]User input gets lowercased; other input is checked

1 files changed, 16 insertions, 8 deletions

diff --git a/toolsrc/src/vcpkg_Dependencies.cpp b/toolsrc/src/vcpkg_Dependencies.cpp
index 9c083a879..fef82940d 100644
--- a/toolsrc/src/vcpkg_Dependencies.cpp
+++ b/toolsrc/src/vcpkg_Dependencies.cpp
@@ -32,17 +32,25 @@ namespace vcpkg { namespace Dependencies
 
             for (const std::string& dep_as_string : dependencies_as_string)
             {
-                const package_spec current_dep = package_spec::from_name_and_triplet(dep_as_string, spec.target_triplet());
-                auto it = status_db.find(current_dep.name(), current_dep.target_triplet());
-                if (it != status_db.end() && (*it)->want == want_t::install)
+                const expected<package_spec> expected_dep = package_spec::from_name_and_triplet(dep_as_string, spec.target_triplet());
+                if (auto pdep = expected_dep.get())
                 {
-                    continue;
-                }
+                    const package_spec current_dep = *pdep;
+                    auto it = status_db.find(current_dep.name(), current_dep.target_triplet());
+                    if (it != status_db.end() && (*it)->want == want_t::install)
+                    {
+                        continue;
+                    }
 
-                graph.add_edge(spec, current_dep);
-                if (was_examined.find(current_dep) == was_examined.end())
+                    graph.add_edge(spec, current_dep);
+                    if (was_examined.find(current_dep) == was_examined.end())
+                    {
+                        examine_stack.push_back(std::move(current_dep));
+                    }
+                }
+                else
                 {
-                    examine_stack.push_back(std::move(current_dep));
+                    std::abort();
                 }
             }