Bloom.Program.CheckLinuxFileAssociations C# (CSharp) Method

        private static void CheckLinuxFileAssociations()
        {
            if (!SIL.PlatformUtilities.Platform.IsLinux)
                return;

            // on Linux, Environment.SpecialFolder.LocalApplicationData defaults to ~/.local/share
            var shareDir = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData);
            var mimeDir = Path.Combine(shareDir, "mime", "packages");                   // check for mime-type files in ~/.local/share/mime/packages
            var imageDir = Path.Combine(shareDir, "icons", "hicolor", "48x48", "apps"); // check for mime-type icons in ~/.local/share/icons/hicolor/48x48/apps

            // make sure target directories exist
            if (!Directory.Exists(mimeDir))
                Directory.CreateDirectory(mimeDir);

            if (!Directory.Exists(imageDir))
                Directory.CreateDirectory(imageDir);

            // list of files to copy
            var updateNeeded = false;
            var filesToCheck = new System.Collections.Generic.Dictionary<string, string>
            {
                {"bloom-collection.sharedmimeinfo", Path.Combine(mimeDir, "application-bloom-collection.xml")},
                {"bloom-collection.png", Path.Combine(imageDir, "application-bloom-collection.png")}
            }; // Dictionary<sourceFileName, destinationFullFileName>

            // check each file now
            var sourceDir = FileLocator.DirectoryOfApplicationOrSolution;
            foreach(var entry in filesToCheck)
            {
                var destFile = entry.Value;
                if (!RobustFile.Exists(destFile))
                {
                    var sourceFile = Path.Combine(sourceDir, "debian", entry.Key);
                    if (RobustFile.Exists(sourceFile))
                    {
                        updateNeeded = true;
                        RobustFile.Copy(sourceFile, destFile);
                    }
                }
            }

            if (!updateNeeded) return;

            // if there were changes, notify the system
            var proc = new Process
            {
                StartInfo = {
                    FileName = "update-desktop-database",
                    Arguments = Path.Combine(shareDir, "applications"),
                    UseShellExecute = false
                },
                EnableRaisingEvents = true // so we can run another process when this one finishes
            };

            // after the desktop database is updated, update the mime database
            proc.Exited += (sender, eventArgs) => {
                var proc2 = new Process
                {
                    StartInfo = {
                        FileName = "update-mime-database",
                        Arguments = Path.Combine(shareDir, "mime"),
                        UseShellExecute = false
                    },
                    EnableRaisingEvents = true // so we can run another process when this one finishes
                };

                // after the mime database is updated, set the file association
                proc2.Exited += (sender2, eventArgs2) => {
                    var proc3 = new Process
                    {
                        StartInfo = {
                            FileName = "xdg-mime",
                            Arguments = "default bloom.desktop application/bloom-collection",
                            UseShellExecute = false
                        }
                    };

                    Debug.Print("Setting file association");
                    proc3.Start();
                };

                Debug.Print("Executing update-mime-database");
                proc2.Start();
            };

            Debug.Print("Executing update-desktop-database");
            proc.Start();
        }