Fix new Git credential helper

Author: hach-que

UET/Redpoint.Uet.Workspace/PhysicalGit/DefaultPhysicalGitCheckout.cs

@@ -1738,7 +1738,7 @@ private async Task<IReservation> GetSharedGitDependenciesPath(GitWorkspaceDescri
                     { "GIT_ASK_YESNO", "false" },
                     { "GIT_CONFIG_COUNT", "1" },
                     { "GIT_CONFIG_KEY_0", "credential.helper" },
-                    { "GIT_CONFIG_VALUE_0", $"{_gitCredentialHelperProvider.FilePath} {string.Join(' ', _gitCredentialHelperProvider.Arguments.Select(x => x.LogicalValue))}" },
+                    { "GIT_CONFIG_VALUE_0", $"{_gitCredentialHelperProvider.FilePath.Replace(@"\", @"\\", StringComparison.Ordinal)} {string.Join(' ', _gitCredentialHelperProvider.Arguments.Select(x => x.LogicalValue))}" },
                 };
                 var uriComponents = uri.UserInfo.Split(':', 2);
                 var uriHost = uri.Host.Replace(".", "_", StringComparison.Ordinal);

UET/uet/Commands/Internal/GitCredentialHelper/GitCredentialHelperCommand.cs

@@ -68,15 +68,23 @@ public Task<int> ExecuteAsync(InvocationContext context)
                     }
                 } while (!string.IsNullOrWhiteSpace(line));
 
+                input.TryGetValue("path", out var path);
+                if (!input.TryGetValue("protocol", out var protocol) ||
+                    !input.TryGetValue("host", out var host))
+                {
+                    // Not a credential request we can handle.
+                    return Task.FromResult(0);
+                }
+
                 // Attempt to perform credential discovery.
                 try
                 {
-                    var credential = _credentialDiscovery.GetGitCredential($"{input["protocol"]}://{input["host"]}/{input["path"]}");
+                    var credential = _credentialDiscovery.GetGitCredential($"{protocol}://{host}/{path}");
                     if (!string.IsNullOrWhiteSpace(credential.Username) &&
                         !string.IsNullOrWhiteSpace(credential.Password))
                     {
-                        Console.WriteLine($"protocol={input["protocol"]}");
-                        Console.WriteLine($"host={input["host"]}");
+                        Console.WriteLine($"protocol={protocol}");
+                        Console.WriteLine($"host={host}");
                         Console.WriteLine($"username={credential.Username}");
                         Console.WriteLine($"password={credential.Password}");