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Fix style and add comments. #90

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This commit is contained in:
Andrey Smirnov
2014-08-05 14:50:15 +04:00
parent da6d5b7cf8
commit e07bcf8e51
1 changed files with 9 additions and 5 deletions
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14
files/public.go
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@@ -106,20 +106,24 @@ func (storage *PublishedStorage) LinkFromPool(publishedDirectory string, sourceP
srcSys := srcStat.Sys().(*syscall.Stat_t)
dstSys := dstStat.Sys().(*syscall.Stat_t)
// source and destination inodes match, no need to link
if srcSys.Ino == dstSys.Ino {
return nil
}
// source and destination have different inodes, if !forced, this is fatal error
if !force {
return fmt.Errorf("error linking file to %s: file already exists and is different", filepath.Join(poolPath, baseName))
} else {
err = os.Remove(filepath.Join(poolPath, baseName))
if err != nil {
return err
}
}
// forced, so remove destination
err = os.Remove(filepath.Join(poolPath, baseName))
if err != nil {
return err
}
}
// destination doesn't exist (or forced), create link
return os.Link(sourcePath, filepath.Join(poolPath, baseName))
}