Contains the Concourse pipeline definition for building a line-server container
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package helpers
import ( "archive/tar" "archive/zip" "compress/bzip2" "compress/gzip" "io" "sort" )
type ReadSeekerAt interface { io.Reader io.Seeker io.ReaderAt }
func ListArchiveFiles(mimetype string, size int64, r ReadSeekerAt) (files []string, err error) { if mimetype == "application/x-tar" { tReadr := tar.NewReader(r) for { hdr, err := tReadr.Next() if err == io.EOF || err != nil { break } if hdr.Typeflag == tar.TypeDir || hdr.Typeflag == tar.TypeReg { files = append(files, hdr.Name) } } sort.Strings(files) } else if mimetype == "application/x-gzip" { gzf, err := gzip.NewReader(r) if err == nil { tReadr := tar.NewReader(gzf) for { hdr, err := tReadr.Next() if err == io.EOF || err != nil { break } if hdr.Typeflag == tar.TypeDir || hdr.Typeflag == tar.TypeReg { files = append(files, hdr.Name) } } sort.Strings(files) } } else if mimetype == "application/x-bzip" { bzf := bzip2.NewReader(r) tReadr := tar.NewReader(bzf) for { hdr, err := tReadr.Next() if err == io.EOF || err != nil { break } if hdr.Typeflag == tar.TypeDir || hdr.Typeflag == tar.TypeReg { files = append(files, hdr.Name) } } sort.Strings(files) } else if mimetype == "application/zip" { zf, err := zip.NewReader(r, size) if err == nil { for _, f := range zf.File { files = append(files, f.Name) } } sort.Strings(files) }
return }
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