68 lines
1.4 KiB
Go
68 lines
1.4 KiB
Go
package main
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import (
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"context"
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"flag"
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"fmt"
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"io"
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"os"
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"gitlab.com/gitlab-org/gitlab/workhorse/cmd/gitlab-zip-metadata/limit"
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"gitlab.com/gitlab-org/gitlab/workhorse/internal/zipartifacts"
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)
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const progName = "gitlab-zip-metadata"
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var Version = "unknown"
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var printVersion = flag.Bool("version", false, "Print version and exit")
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func main() {
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flag.Parse()
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version := fmt.Sprintf("%s %s", progName, Version)
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if *printVersion {
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fmt.Println(version)
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os.Exit(0)
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}
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if len(os.Args) != 2 {
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fmt.Fprintf(os.Stderr, "Usage: %s FILE.ZIP\n", progName)
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os.Exit(1)
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}
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readerFunc := func(reader io.ReaderAt, size int64) io.ReaderAt {
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readLimit := limit.SizeToLimit(size)
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return limit.NewLimitedReaderAt(reader, readLimit, func(read int64) {
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fmt.Fprintf(os.Stderr, "%s: zip archive limit exceeded after reading %d bytes\n", progName, read)
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fatalError(zipartifacts.ErrorCode[zipartifacts.CodeLimitsReached])
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})
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}
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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archive, err := zipartifacts.OpenArchiveWithReaderFunc(ctx, os.Args[1], readerFunc)
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if err != nil {
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fatalError(err)
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}
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if err := zipartifacts.GenerateZipMetadata(os.Stdout, archive); err != nil {
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fatalError(err)
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}
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}
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func fatalError(err error) {
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code := zipartifacts.ExitCodeByError(err)
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fmt.Fprintf(os.Stderr, "%s error: %v, code: %d\n", progName, err, code)
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if code > 0 {
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os.Exit(code)
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} else {
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os.Exit(1)
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}
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}
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