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Fix file truncation bug

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This commix prevents files from being truncated when attempting to add
a hard-linked package which already exists inside the pool directory.
This commit is contained in:
Simon Aquino
2014-10-16 13:28:08 +01:00
parent 9c834f410c
commit 2173d3ab65
1 changed files with 10 additions and 6 deletions
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files/package_pool.go
+10 -6
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@@ -128,12 +128,16 @@ func (pool *PackagePool) Import(path string, hashMD5 string) error {
// unable to stat target location? // unable to stat target location?
return err return err
} }
// file doesn't exist, that's ok }
} else {
if targetInfo.Size() != sourceInfo.Size() { if targetInfo.Size() != sourceInfo.Size() {
// trying to overwrite file? // trying to overwrite file?
return fmt.Errorf("unable to import into pool: file %s already exists", poolPath) return fmt.Errorf("unable to import into pool: file %s already exists", poolPath)
} }
if os.SameFile(targetInfo, sourceInfo) {
// Same file on the filesystem? Just skip it.
return err
} }
// create subdirs as necessary // create subdirs as necessary