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Fixed #82: force in-place mode with a non-default preference path

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This commit is contained in:
Gilbert Chen
2017-07-07 22:21:43 -04:00
parent 18462cf585
commit 0aa122609a
1 changed files with 19 additions and 11 deletions
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30
src/duplicacy_backupmanager.go
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@@ -713,6 +713,11 @@ func (manager *BackupManager) Restore(top string, revision int, inPlace bool, qu
LOG_DEBUG("RESTORE_PARAMETERS", "top: %s, revision: %d, in-place: %t, quick: %t, delete: %t",
top, revision, inPlace, quickMode, deleteMode)
if !strings.HasPrefix(GetDuplicacyPreferencePath(), top) {
LOG_INFO("RESTORE_INPLACE", "Forcing in-place mode with a non-default preference path")
inPlace = true
}
if len(patterns) > 0 {
for _, pattern := range patterns {
LOG_TRACE("RESTORE_PATTERN", "%s", pattern)
@@ -1177,12 +1182,6 @@ func (manager *BackupManager) RestoreFile(chunkDownloader *ChunkDownloader, chun
}
}
if inPlace {
if existingFile == nil {
inPlace = false
}
}
for i := entry.StartChunk; i <= entry.EndChunk; i++ {
if _, found := offsetMap[chunkDownloader.taskList[i].chunkHash]; !found {
chunkDownloader.taskList[i].needed = true
@@ -1195,11 +1194,20 @@ func (manager *BackupManager) RestoreFile(chunkDownloader *ChunkDownloader, chun
LOG_TRACE("DOWNLOAD_INPLACE", "Updating %s in place", fullPath)
existingFile.Close()
existingFile, err = os.OpenFile(fullPath, os.O_RDWR, 0)
if err != nil {
LOG_ERROR("DOWNLOAD_OPEN", "Failed to open the file %s for in-place writing", fullPath)
return false
if existingFile == nil {
// Create an empty file
existingFile, err = os.OpenFile(fullPath, os.O_WRONLY | os.O_CREATE | os.O_TRUNC, 0600)
if err != nil {
LOG_ERROR("DOWNLOAD_CREATE", "Failed to create the file %s for in-place writing", fullPath)
}
} else {
// Close and reopen in a different mode
existingFile.Close()
existingFile, err = os.OpenFile(fullPath, os.O_RDWR, 0)
if err != nil {
LOG_ERROR("DOWNLOAD_OPEN", "Failed to open the file %s for in-place writing", fullPath)
return false
}
}
existingFile.Seek(0, 0)