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Extend s3 storage with link and file exists methods

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This commit is contained in:
Oliver Sauder
2017-10-17 15:45:17 +02:00
parent e07912770e
commit 7498fd8fc8
3 changed files with 85 additions and 17 deletions
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deb/index_files.go
+9 -6
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@@ -186,24 +186,27 @@ func packageIndexByHash(file *indexFile, ext string, hash string, sum string) er
src = src + file.parent.suffix + ext
filedir := filepath.Dir(filepath.Join(file.parent.basePath, file.relativePath))
dst := filepath.Join(filedir, "by-hash", hash)
sumfilePath := filepath.Join(dst, sum)
// link already exists? do nothing
if file.parent.publishedStorage.FileExists(filepath.Join(dst, sum)) {
if file.parent.publishedStorage.FileExists(sumfilePath) {
return nil
}
// create the link
err := file.parent.publishedStorage.HardLink(src, filepath.Join(dst, sum))
err := file.parent.publishedStorage.HardLink(src, sumfilePath)
if err != nil {
return fmt.Errorf("Access-By-Hash: error creating hardlink %s: %s", filepath.Join(dst, sum), err)
return fmt.Errorf("Access-By-Hash: error creating hardlink %s: %s", sumfilePath, err)
}
// if exists, backup symlink
// if a previous index file already exists exists, backup symlink
if file.parent.publishedStorage.FileExists(filepath.Join(dst, indexfile)) {
// if exists, remove old symlink
if file.parent.publishedStorage.FileExists(filepath.Join(dst, indexfile+".old")) {
link, _ := file.parent.publishedStorage.ReadLink(filepath.Join(dst, indexfile+".old"))
file.parent.publishedStorage.Remove(filepath.Join(dst, link))
link, err := file.parent.publishedStorage.ReadLink(filepath.Join(dst, indexfile+".old"))
if err != nil {
file.parent.publishedStorage.Remove(link)
}
file.parent.publishedStorage.Remove(filepath.Join(dst, indexfile+".old"))
}
file.parent.publishedStorage.RenameFile(filepath.Join(dst, indexfile),