bugGNU TeXmacs - Bugs: bug #17191, autosave dangerous


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bug #17191: autosave dangerous

Submitted by:  Norbert Nemec <nnemec>
Submitted on:  Mon 24 Jul 2006 08:03:27 AM UTC  
Category:  File Manager Priority:  5 - Normal
Item Group:  Error Status:  Invalid
Privacy:  Public Assigned to:  None
Originator Name:  Open/Closed:  Closed
Release:  1.0.6 Release:  None
Fixed Release:  None Fixed Release: 

Sun 17 Jul 2011 07:01:27 PM UTC, comment #1:

As of 1.7.10 this report is no longer valid, except for the last item ("TeXmacs breaks convention") which merits it's own tracker id.

Miguel de Benito <mdbenito>
Project Member
Mon 24 Jul 2006 08:03:27 AM UTC, original submission:

As of 1.0.6, the autosave feature is dangerous:

  • If I open something.tm and something.tm~ exists and is newer then something.tm, I am not notified of this fact, running danger of overwriting this potentially valuable autosaved file
  • If a file ~/.TeXmacs/system/autosave.tm exists, I am generally asked whether I want to restore this autosaved file. If I do so, it is opened with the name of the file that I wanted to open originally, even if it contains completely different content. If I accidentally save this "restored" file, it overwrites the file I wanted to work on originally

The feature also is seriously annoying:

  • If I work on a scratch file without saving it, it is written to ~/.TeXmacs/system/autosave.tm and retained there, even when I close the file regularly, explicitely stating that I don't want to save the file. Lateron, I'm asked whether to restore the autosaved data, only to find that it is the garbage I didn't want to see again.
  • Once the file ~/.TeXmacs/system/autosave.tm exists, I have to kill it manually to get rid of it. If I don't do so, TeXmacs tries over and over again to restore the data from it.

Furthermore, TeXmacs breaks convention:

  • usually a file trailed by "~" is a backup file. Autosave files are usually marked by trailing "#" or something similar (see behavior of emacs as an example) TeXmacs mixes the concept of autosave files (written periodically while the file is open and deleted when it is saved or closed explicitely) and backup files (which contain the old content of a file before an explicit save). These two concepts serve very different purposes and should not be mixed up: autosave protects against program or system crashes, backup protects against accidental changes by the user.
Norbert Nemec <nnemec>


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    Follow 2 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    Sun 17 Jul 2011 07:01:27 PM UTC mdbenito StatusNone => Invalid
        Open/ClosedOpen => Closed

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