Unsupported platform added for env (fixes #29559) (#891)

* Unsupported platform added for env (fixes #29559)

* Unsupported platform added for env (fixes #29559)

* Revert error on linux, for testing CI

* Ignore error on linux

* Revert settings change

* Localized message

azure-pipelines/end-to-end-tests-dir/env-tools.ps1

@@ -2,4 +2,6 @@
 
 $env:VCPKG_DOWNLOADS = Join-Path $TestingRoot 'empty downloads'
 Run-Vcpkg env --bin --tools --python set
-Throw-IfFailed
+if ($IsWindows) {
+    Throw-IfFailed
+}

include/vcpkg/base/messages.h

@@ -1100,6 +1100,7 @@ namespace vcpkg
                     "{value} is the invalid value of an environment variable",
                     "{env_var} is {value}, must be > 0");
     DECLARE_MESSAGE(EnvStrFailedToExtract, (), "", "could not expand the environment string:");
+    DECLARE_MESSAGE(EnvPlatformNotSupported, (), "", "Build environment commands are not supported on this platform");
     DECLARE_MESSAGE(ErrorDetectingCompilerInfo,
                     (msg::path),
                     "",

locales/messages.json

@@ -389,6 +389,7 @@
   "EnvInvalidMaxConcurrency": "{env_var} is {value}, must be > 0",
   "_EnvInvalidMaxConcurrency.comment": "{value} is the invalid value of an environment variable An example of {env_var} is VCPKG_DEFAULT_TRIPLET.",
   "EnvStrFailedToExtract": "could not expand the environment string:",
+  "EnvPlatformNotSupported": "Build environment commands are not supported on this platform",
   "ErrorDetectingCompilerInfo": "while detecting compiler information:\nThe log file content at \"{path}\" is:",
   "_ErrorDetectingCompilerInfo.comment": "An example of {path} is /foo/bar.",
   "ErrorIndividualPackagesUnsupported": "In manifest mode, `vcpkg install` does not support individual package arguments.\nTo install additional packages, edit vcpkg.json and then run `vcpkg install` without any package arguments.",

src/vcpkg/base/messages.cpp

@@ -663,6 +663,7 @@ namespace vcpkg
     REGISTER_MESSAGE(EndOfStringInCodeUnit);
     REGISTER_MESSAGE(EnvInvalidMaxConcurrency);
     REGISTER_MESSAGE(EnvStrFailedToExtract);
+    REGISTER_MESSAGE(EnvPlatformNotSupported);
     REGISTER_MESSAGE(ErrorDetectingCompilerInfo);
     REGISTER_MESSAGE(ErrorIndividualPackagesUnsupported);
     REGISTER_MESSAGE(ErrorInvalidClassicModeOption);

src/vcpkg/commands.env.cpp

@@ -101,11 +101,16 @@ namespace vcpkg::Commands::Env
 #if defined(_WIN32)
             env = cmd_execute_and_capture_environment(build_env_cmd, env);
 #else  // ^^^ _WIN32 / !_WIN32 vvv
-            Checks::exit_with_message(VCPKG_LINE_INFO, "Build environment commands are not supported on this platform");
+            Checks::msg_exit_with_message(VCPKG_LINE_INFO, msgEnvPlatformNotSupported);
 #endif // ^^^ !_WIN32
         }
 
+#if defined(_WIN32)
         Command cmd("cmd");
+#else  // ^^^ _WIN32 / !_WIN32 vvv
+        Command cmd("");
+        Checks::msg_exit_with_message(VCPKG_LINE_INFO, msgEnvPlatformNotSupported);
+#endif // ^^^ !_WIN32
         if (!args.command_arguments.empty())
         {
             cmd.string_arg("/c").raw_arg(args.command_arguments[0]);