1 files changed, 36 insertions, 9 deletions

diff --git a/Source/cmake.cxx b/Source/cmake.cxx
index 7de488b..a8dc963 100644
--- a/Source/cmake.cxx
+++ b/Source/cmake.cxx
@@ -565,10 +565,7 @@ bool cmake::SetCacheArgs(const std::vector<std::string>& args)
                      "No install directory specified for --install-prefix",
                      CommandArgument::Values::One, PrefixLambda },
     CommandArgument{ "--find-package", CommandArgument::Values::Zero,
-                     [&](std::string const&, cmake*) -> bool {
-                       findPackageMode = true;
-                       return true;
-                     } },
+                     CommandArgument::setToTrue(findPackageMode) },
   };
   for (decltype(args.size()) i = 1; i < args.size(); ++i) {
     std::string const& arg = args[i];
@@ -868,13 +865,15 @@ void cmake::SetArgs(const std::vector<std::string>& args)
     CommandArgument{ "-B", "No build directory specified for -B",
                      CommandArgument::Values::One,
                      CommandArgument::RequiresSeparator::No, BuildArgLambda },
+    CommandArgument{ "--fresh", CommandArgument::Values::Zero,
+                     [](std::string const&, cmake* cm) -> bool {
+                       cm->FreshCache = true;
+                       return true;
+                     } },
     CommandArgument{ "-P", "-P must be followed by a file name.",
                      CommandArgument::Values::One,
                      CommandArgument::RequiresSeparator::No,
-                     [&](std::string const&, cmake*) -> bool {
-                       scriptMode = true;
-                       return true;
-                     } },
+                     CommandArgument::setToTrue(scriptMode) },
     CommandArgument{ "-D", "-D must be followed with VAR=VALUE.",
                      CommandArgument::Values::One,
                      CommandArgument::RequiresSeparator::No,
@@ -1158,6 +1157,12 @@ void cmake::SetArgs(const std::vector<std::string>& args)
     // iterate each argument
     std::string const& arg = args[i];
 
+    if (scriptMode && arg == "--") {
+      // Stop processing CMake args and avoid possible errors
+      // when arbitrary args are given to CMake script.
+      break;
+    }
+
     // Generator flag has special handling for when to print help
     // so it becomes the exception
     if (generatorCommand.matches(arg)) {
@@ -1455,7 +1460,7 @@ void cmake::PrintTraceFormatVersion()
       Json::StreamWriterBuilder builder;
       builder["indentation"] = "";
       version["major"] = 1;
-      version["minor"] = 1;
+      version["minor"] = 2;
       val["version"] = version;
       msg = Json::writeString(builder, val);
 #endif
@@ -2098,6 +2103,21 @@ int cmake::ActualConfigure()
       cmStateEnums::INTERNAL);
   }
 
+  // We want to create the package redirects directory as early as possible,
+  // but not before pre-configure checks have passed. This ensures we get
+  // errors about inappropriate source/binary directories first.
+  const auto redirectsDir =
+    cmStrCat(this->GetHomeOutputDirectory(), "/CMakeFiles/pkgRedirects");
+  cmSystemTools::RemoveADirectory(redirectsDir);
+  if (!cmSystemTools::MakeDirectory(redirectsDir)) {
+    cmSystemTools::Error(
+      "Unable to (re)create the private pkgRedirects directory:\n" +
+      redirectsDir);
+    return -1;
+  }
+  this->AddCacheEntry("CMAKE_FIND_PACKAGE_REDIRECTS_DIR", redirectsDir,
+                      "Value Computed by CMake.", cmStateEnums::STATIC);
+
   // no generator specified on the command line
   if (!this->GlobalGenerator) {
     cmValue genName = this->State->GetInitializedCacheValue("CMAKE_GENERATOR");
@@ -2398,12 +2418,19 @@ int cmake::Run(const std::vector<std::string>& args, bool noconfigure)
   }
 
   if (this->GetWorkingMode() == NORMAL_MODE) {
+    if (this->FreshCache) {
+      this->DeleteCache(this->GetHomeOutputDirectory());
+    }
     // load the cache
     if (this->LoadCache() < 0) {
       cmSystemTools::Error("Error executing cmake::LoadCache(). Aborting.\n");
       return -1;
     }
   } else {
+    if (this->FreshCache) {
+      cmSystemTools::Error("--fresh allowed only when configuring a project");
+      return -1;
+    }
     this->AddCMakePaths();
   }