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Rename emergency file when it is kept.

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Otherwise, we will ask about it again next time, when the file
may have changed. Also, if we crash again, we'll over-write that
file, which we may not want to do.

See bug #11464.
This commit is contained in:
Richard Kimberly Heck 2019-01-16 11:13:53 -05:00
parent a925d25085
commit b804e8851c
1 changed files with 26 additions and 0 deletions
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26
src/Buffer.cpp
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@ -4770,6 +4770,32 @@ Buffer::ReadStatus Buffer::loadEmergency()
_("&Remove"), _("&Keep"));
if (del_emerg == 0)
emergencyFile.removeFile();
else {
// See bug #11464
FileName newname;
string const ename = emergencyFile.absFileName();
bool noname = true;
// Surely we can find one in 100 tries?
for (int i = 1; i < 100; ++i) {
newname.set(ename + to_string(i) + ".lyx");
if (!newname.exists()) {
noname = false;
break;
}
}
if (!noname) {
// renameTo returns true on success. So inverting that
// will give us true if we fail.
noname = !emergencyFile.renameTo(newname);
}
if (noname) {
Alert::warning(_("Can't rename emergency file!"),
_("LyX was unable to rename the emergency file. "
"You should do so manually. Otherwise, you will be"
"asked about it again the next time you try to load"
"this file, and may over-write your own work."));
}
}
return ReadOriginal;
}