diff options
| -rw-r--r-- | zip/cmd/main.go | 2 | ||||
| -rw-r--r-- | zip/zip.go | 7 |
2 files changed, 7 insertions, 2 deletions
diff --git a/zip/cmd/main.go b/zip/cmd/main.go index a2ccc2011..5231faec9 100644 --- a/zip/cmd/main.go +++ b/zip/cmd/main.go @@ -173,6 +173,7 @@ func main() { cpuProfile := flags.String("cpuprofile", "", "write cpu profile to file") traceFile := flags.String("trace", "", "write trace to file") sha256Checksum := flags.Bool("sha256", false, "add a zip header to each file containing its SHA256 digest") + doNotWrite := flags.Bool("n", false, "Nothing is written to disk -- all other work happens") flags.Var(&rootPrefix{}, "P", "path prefix within the zip at which to place files") flags.Var(&listFiles{}, "l", "file containing list of files to zip") @@ -236,6 +237,7 @@ func main() { StoreSymlinks: *symlinks, IgnoreMissingFiles: *ignoreMissingFiles, Sha256Checksum: *sha256Checksum, + DoNotWrite: *doNotWrite, }) if err != nil { fmt.Fprintln(os.Stderr, "error:", err.Error()) diff --git a/zip/zip.go b/zip/zip.go index 5e1a10462..30a2ee762 100644 --- a/zip/zip.go +++ b/zip/zip.go @@ -282,6 +282,7 @@ type ZipArgs struct { StoreSymlinks bool IgnoreMissingFiles bool Sha256Checksum bool + DoNotWrite bool Stderr io.Writer Filesystem pathtools.FileSystem @@ -400,7 +401,9 @@ func Zip(args ZipArgs) error { var zipErr error - if !args.WriteIfChanged { + if args.DoNotWrite { + out = io.Discard + } else if !args.WriteIfChanged { f, err := os.Create(args.OutputFilePath) if err != nil { return err @@ -421,7 +424,7 @@ func Zip(args ZipArgs) error { return zipErr } - if args.WriteIfChanged { + if args.WriteIfChanged && !args.DoNotWrite { err := pathtools.WriteFileIfChanged(args.OutputFilePath, buf.Bytes(), 0666) if err != nil { return err |