[projmgr] Check pack identifier case consistency

libs/rtefsutils/src/RteFsUtils.cpp

@@ -641,7 +641,9 @@ string RteFsUtils::FindFirstFileWithExt(const std::string &folder, const char *e
 void RteFsUtils::GetFilesSorted(const string &folder, set<string, VersionCmp::Greater> &files) {
   error_code ec;
   // Path does not exist, nothing to do
-  if (folder.empty() || !fs::exists(folder, ec) || !fs::is_directory(folder, ec)) {
+  if ((folder.empty() || !fs::exists(folder, ec) || !fs::is_directory(folder, ec)) ||
+    // Check case consistency
+    (fs::canonical(folder, ec).generic_string().find(fs::path(folder).lexically_normal().generic_string()) == string::npos)) {
     return;
   }
   for (auto entry : fs::directory_iterator(folder, ec)) {

tools/projmgr/test/data/TestSolution/pack_case_sensitive.csolution.yml

@@ -0,0 +1,13 @@
+# yaml-language-server: $schema=https://raw.githubusercontent.com/Open-CMSIS-Pack/devtools/main/tools/projmgr/schemas/csolution.schema.json
+
+solution:
+  target-types:
+    - type: CM0
+      device: RteTest_ARMCM0
+
+  packs:
+    - pack: ARM::RteTest_DFP
+    - pack: Arm::RteTest_DFP
+
+  projects:
+    - project: pack_path.cproject.yml

tools/projmgr/test/src/ProjMgrUnitTests.cpp

@@ -6549,3 +6549,14 @@ TEST_F(ProjMgrUnitTests, GetToolboxVersion) {
 
   RteFsUtils::RemoveDir(testdir);
 }
+
+TEST_F(ProjMgrUnitTests, PackCaseSensitive) {
+  char* argv[3];
+  const string& csolution = testinput_folder + "/TestSolution/pack_case_sensitive.csolution.yml";
+  argv[1] = (char*)"convert";
+  argv[2] = (char*)csolution.c_str();
+  EXPECT_EQ(1, RunProjMgr(3, argv, 0));
+  const YAML::Node& cbuild = YAML::LoadFile(testinput_folder + "/TestSolution/pack_case_sensitive.cbuild-idx.yml");
+  EXPECT_EQ("required pack: Arm::RteTest_DFP not installed",
+    cbuild["build-idx"]["cbuilds"][0]["messages"]["errors"][0].as<string>());
+}