[chronojump] Doing BD backup on tar.gz

[Xavier de Blas <xaviblas src gnome org>]

commit fc1b6e595709bacc95075b781b000759f5caf768
Author: Xavier de Blas <xaviblas gmail com>
Date:   Wed Mar 2 19:34:36 2016 +0100

    Doing BD backup on tar.gz

 src/gui/preferences.cs |   56 ++++++++++++++++++++++++++++++++++++++++++++++-
 1 files changed, 54 insertions(+), 2 deletions(-)
---
diff --git a/src/gui/preferences.cs b/src/gui/preferences.cs
index aa1809e..216257d 100644
--- a/src/gui/preferences.cs
+++ b/src/gui/preferences.cs
@@ -635,11 +635,63 @@ public class PreferencesWindow {
                        new DialogMessage(Constants.MessageTypes.WARNING, myString);
                }
        }
-       
+
+       /*
+        * deprecated since 1.6.0. Use backup method below
+       */
        private void copyRecursive() {
                Util.CopyFilesRecursively(new DirectoryInfo(Util.GetParentDir(false)), new 
DirectoryInfo(fileCopy));
        }
-       
+
+       //from Longomatch
+       //https://raw.githubusercontent.com/ylatuya/longomatch/master/LongoMatch.DB/CouchbaseStorage.cs
+       private bool backup(string path)
+       {
+               try {   
+                       string storageName = path + Path.DirectorySeparatorChar + "chronojump_backup-" + 
DateTime.UtcNow.ToString() + ".tar.gz";
+                       using (FileStream fs = new FileStream (outputFilename, FileMode.Create, 
FileAccess.Write, FileShare.None)) {
+                               using (Stream gzipStream = new GZipOutputStream (fs)) {
+                                       using (TarArchive tarArchive = TarArchive.CreateOutputTarArchive 
(gzipStream)) {
+                                               /*
+                                               foreach (string n in new string[] {"", "-wal", "-shm"}) {
+                                                       TarEntry tarEntry = TarEntry.CreateEntryFromFile (
+                                                                       Path.Combine (Config.DBDir, 
storageName + ".cblite" + n));
+                                                       tarArchive.WriteEntry (tarEntry, true);
+                                               }
+                                               */
+                                               //AddDirectoryFilesToTar (tarArchive, Path.Combine 
(Config.DBDir, storageName + " attachments"), true);
+                                               AddDirectoryFilesToTar (tarArchive, Util.GetParentDir(false), 
true);
+                                       }
+                               }
+                       }
+                       //LastBackup = DateTime.UtcNow;
+               } catch (Exception ex) {
+                       LogB.Error (ex);
+                       return false;
+               }
+               return true;
+       }
+
+       //from Longomatch
+       //https://raw.githubusercontent.com/ylatuya/longomatch/master/LongoMatch.DB/CouchbaseStorage.cs
+       void AddDirectoryFilesToTar (TarArchive tarArchive, string sourceDirectory, bool recurse)
+       {
+               // Recursively add sub-folders
+               if (recurse) {
+                       string[] directories = Directory.GetDirectories (sourceDirectory);
+                       foreach (string directory in directories)
+                               AddDirectoryFilesToTar (tarArchive, directory, recurse);
+               }
+
+               // Add files
+               string[] filenames = Directory.GetFiles (sourceDirectory);
+               foreach (string filename in filenames) {
+                       TarEntry tarEntry = TarEntry.CreateEntryFromFile (filename);
+                       tarArchive.WriteEntry (tarEntry, true);
+               }
+       }
+
+
        private bool PulseGTK ()
        {
                if ( ! thread.IsAlive ) {