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remove old files before using copyTo.

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bug 312883, r=dmose
This commit is contained in:
mvl%exedo.nl 2005-10-21 17:49:02 +00:00
parent d0ad850b4e
commit 4f9715e928
1 changed files with 20 additions and 4 deletions
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24
calendar/providers/ics/calICSCalendar.js
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@ -235,6 +235,22 @@ calICSCalendar.prototype = {
return;
}
function copyToOverwriting(oldFile, newParentDir, newName) {
try {
var newFile = newParentDir.clone();
newFile.append(newName);
if (newFile.exists()) {
newFile.remove(false);
}
oldFile.copyTo(newParentDir, newName);
} catch(e) {
Components.utils.reportError("Backup failed, no copy:"+e);
// Error in making a daily/initial backup.
// not fatal, so just continue
}
}
function getIntPrefSafe(prefName, defaultValue)
{
@ -286,8 +302,8 @@ calICSCalendar.prototype = {
doInitialBackup = true;
var doDailyBackup = false;
var backupTime = getCalendarManager()
.getCalendarPref(this, 'backup-time');
var backupTime = new Number(getCalendarManager().
getCalendarPref(this, 'backup-time'));
if (!backupTime ||
(new Date().getTime() > backupTime + backupDays*24*60*60*1000)) {
// It's time do to a daily backup
@ -321,9 +337,9 @@ calICSCalendar.prototype = {
var listener = {
onDownloadComplete: function(downloader, request, ctxt, status, result) {
if (doInitialBackup)
result.copyTo(backupDir, makeName('initial'));
copyToOverwriting(result, backupDir, makeName('initial'));
if (doDailyBackup)
result.copyTo(backupDir, dailyBackupFileName);
copyToOverwriting(result, backupDir, dailyBackupFileName);
provider.doWriteICS();
},