[projmgr] Fix list configs mandatory argument

Author: brondani

tools/projmgr/src/ProjMgr.cpp

@@ -169,7 +169,7 @@ int ProjMgr::ParseCommandLine(int argc, char** argv) {
     {"list packs",        { true,  {context, contextSet, debug, filter, load, missing, quiet, schemaCheck, toolchain, verbose, relativePaths}}},
     {"list boards",       { true,  {context, contextSet, debug, filter, load, quiet, schemaCheck, toolchain, verbose}}},
     {"list devices",      { true,  {context, contextSet, debug, filter, load, quiet, schemaCheck, toolchain, verbose}}},
-    {"list configs",      { true,  {context, contextSet, debug, filter, load, quiet, schemaCheck, toolchain, verbose}}},
+    {"list configs",      { false, {context, contextSet, debug, filter, load, quiet, schemaCheck, toolchain, verbose}}},
     {"list components",   { true,  {context, contextSet, debug, filter, load, quiet, schemaCheck, toolchain, verbose}}},
     {"list dependencies", { false, {context, contextSet, debug, filter, load, quiet, schemaCheck, toolchain, verbose}}},
     {"list contexts",     { false, {debug, filter, quiet, schemaCheck, verbose, ymlOrder}}},
@@ -788,11 +788,9 @@ bool ProjMgr::RunListComponents(void) {
 }
 
 bool ProjMgr::RunListConfigs() {
-  if (!m_csolutionFile.empty()) {
-    // Parse all input files and create contexts
-    if (!PopulateContexts()) {
-      return false;
-    }
+  // Parse all input files and create contexts
+  if (!PopulateContexts()) {
+    return false;
   }
 
   // Parse context selection

tools/projmgr/test/src/ProjMgrUnitTests.cpp

@@ -4724,6 +4724,16 @@ info csolution: config files for each component:\n\
   EXPECT_EQ(outStr, expected1);
 }
 
+TEST_F(ProjMgrUnitTests, RunProjMgr_ListConfigsWithoutInput) {
+  StdStreamRedirect streamRedirect;
+  char* argv[3];
+  argv[1] = (char*)"list";
+  argv[2] = (char*)"configs";
+  EXPECT_EQ(1, RunProjMgr(3, argv, m_envp));
+  auto errStr = streamRedirect.GetErrorString();
+  EXPECT_NE(string::npos, errStr.find("input yml files were not specified"));
+}
+
 TEST_F(ProjMgrUnitTests, RunProjMgr_No_target_Types) {
   StdStreamRedirect streamRedirect;
   char* argv[8];