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Aegisub
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Make autosave create a temporary backup of the current autosave file before saving so that an error while saving is less likely to cause data loss. 

Originally committed to SVN as r3353.
This commit is contained in:
Thomas Goyne 2009-08-02 20:32:53 +00:00
parent 5ccf95b9df
commit cca0de98cb
1 changed files with 24 additions and 10 deletions
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34
aegisub/src/frame_main_events.cpp
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@ -1726,8 +1726,8 @@ void FrameMain::OnOpenStylingAssistant (wxCommandEvent &event) {
/// @brief Auto backup
/// @param event
/// @brief Autosave the currently open file, if any
/// @param event Unused
///
void FrameMain::OnAutoSave(wxTimerEvent &event) {
// Auto Save
@ -1739,19 +1739,33 @@ void FrameMain::OnAutoSave(wxTimerEvent &event) {
if (path.IsEmpty()) path = origfile.GetPath();
wxFileName dstpath(path);
if (!dstpath.IsAbsolute()) path = StandardPaths::DecodePathMaybeRelative(path, _T("?user/"));
path += _T("/");
dstpath.Assign(path);
dstpath.AssignDir(path);
if (!dstpath.DirExists()) wxMkdir(path);
// Save
wxString name = origfile.GetName();
wxString backup = path;
if (name.IsEmpty()) backup += _T("Untitled.AUTOSAVE.ass");
else backup += origfile.GetName() + _T(".AUTOSAVE.ass");
AssFile::top->Save(backup,false,false);
if (name.IsEmpty()) {
dstpath.SetFullName("Untitled.AUTOSAVE.ass");
}
else {
dstpath.SetFullName(name + L".AUTOSAVE.ass");
}
// If the autosave file already exists, make a temporary copy of it in case the autosave fails
wxFileName backup;
if (dstpath.FileExists()) {
backup = dstpath;
backup.SetName(backup.GetName() + ".backup");
wxRenameFile(dstpath.GetFullPath(), backup.GetFullPath());
}
AssFile::top->Save(dstpath.GetFullPath(),false,false);
if (backup.FileExists()) {
wxRemoveFile(backup.GetFullPath());
}
// Set status bar
StatusTimeout(_("File backup saved as \"") + backup + _T("\"."));
StatusTimeout(_("File backup saved as \"") + dstpath.GetFullPath() + _T("\"."));
}
}
catch (wxString err) {