Avoid setting current process environment variables

src/Core/WinSWCore/Util/ProcessHelper.cs

@@ -161,11 +161,15 @@ namespace winsw.Util
 
             if (envVars != null)
             {
-                foreach (string key in envVars.Keys)
+                var newEnvironment =
+#if NETCOREAPP
+                    ps.Environment;
+#else
+                    ps.EnvironmentVariables;
+#endif
+                foreach (KeyValuePair<string, string> pair in envVars)
                 {
-                    Environment.SetEnvironmentVariable(key, envVars[key]);
-                    // DONTDO: ps.EnvironmentVariables[key] = envs[key];
-                    // bugged (lower cases all variable names due to StringDictionary being used, see http://connect.microsoft.com/VisualStudio/feedback/ViewFeedback.aspx?FeedbackID=326163)
+                    newEnvironment[pair.Key] = pair.Value;
                 }
             }
 

src/Test/winswTests/Util/FilesystemTestHelper.cs

@@ -1,7 +1,5 @@
 using System;
-using System.Collections.Generic;
 using System.IO;
-using NUnit.Framework;
 
 namespace winswTests.Util
 {
@@ -18,30 +16,5 @@ namespace winswTests.Util
             Console.Out.WriteLine("Created the temporary directory: {0}", tempDirectory);
             return tempDirectory;
         }
-
-        /// <summary>
-        /// Parses output of the "set" command from the file
-        /// </summary>
-        /// <param name="filePath">File path</param>
-        /// <returns>Dictionary of the strings.</returns>
-        public static Dictionary<string, string> parseSetOutput(string filePath)
-        {
-            Dictionary<string, string> res = new Dictionary<string, string>();
-            var lines = File.ReadAllLines(filePath);
-            foreach (var line in lines)
-            {
-                var parsed = line.Split("=".ToCharArray(), 2);
-                if (parsed.Length == 2)
-                {
-                    res.Add(parsed[0], parsed[1]);
-                }
-                else
-                {
-                    Assert.Fail("Wrong line in the parsed Set output file: " + line);
-                }
-            }
-
-            return res;
-        }
     }
 }

src/Test/winswTests/Util/ProcessHelperTest.cs

@@ -1,5 +1,4 @@
-using System;
-using System.Diagnostics;
+using System.Diagnostics;
 using System.IO;
 using System.Linq;
 using NUnit.Framework;
@@ -10,43 +9,6 @@ namespace winswTests.Util
     [TestFixture]
     class ProcessHelperTest
     {
-        /// <summary>
-        /// Also reported as <a href="https://issues.jenkins-ci.org/browse/JENKINS-42744">JENKINS-42744</a>
-        /// </summary>
-        [Test]
-        public void ShouldPropagateVariablesInUppercase()
-        {
-            Assert.Ignore();
-
-            Environment.SetEnvironmentVariable("TEST_KEY", "TEST_VALUE");
-
-            var tmpDir = FilesystemTestHelper.CreateTmpDirectory();
-            string envFile = Path.Combine(tmpDir, "env.properties");
-            string scriptFile = Path.Combine(tmpDir, "printenv.bat");
-            File.WriteAllText(scriptFile, "set > " + envFile);
-
-            Process proc = new Process();
-            var ps = proc.StartInfo;
-            ps.FileName = scriptFile;
-
-            ProcessHelper.StartProcessAndCallbackForExit(proc);
-            var exited = proc.WaitForExit(5000);
-            if (!exited)
-            {
-                Assert.Fail("Process " + proc + " didn't exit after 5 seconds");
-            }
-
-            // Check several veriables, which are expected to be in Uppercase
-            var envVars = FilesystemTestHelper.parseSetOutput(envFile);
-            string[] keys = new string[envVars.Count];
-            envVars.Keys.CopyTo(keys, 0);
-            string availableVars = "[" + string.Join(",", keys) + "]";
-            Assert.That(envVars.ContainsKey("TEST_KEY"), "No TEST_KEY in the injected vars: " + availableVars);
-
-            // And just ensure that the parsing logic is case-sensitive
-            Assert.That(!envVars.ContainsKey("test_key"), "Test error: the environment parsing logic is case-insensitive");
-        }
-
         [Test]
         public void ShouldNotHangWhenWritingLargeStringToStdOut()
         {