diff options
Diffstat (limited to 'cmd')
| -rw-r--r-- | cmd/merge_zips/merge_zips.go | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/cmd/merge_zips/merge_zips.go b/cmd/merge_zips/merge_zips.go index 8e71a978..c21da44b 100644 --- a/cmd/merge_zips/merge_zips.go +++ b/cmd/merge_zips/merge_zips.go @@ -19,6 +19,7 @@ import ( "flag" "fmt" "hash/crc32" + "io" "io/ioutil" "log" "os" @@ -66,6 +67,7 @@ var ( manifest = flag.String("m", "", "manifest file to insert in jar") pyMain = flag.String("pm", "", "__main__.py file to insert in par") entrypoint = flag.String("e", "", "par entrypoint file to insert in par") + prefix = flag.String("prefix", "", "A file to prefix to the zip file") ignoreDuplicates = flag.Bool("ignore-duplicates", false, "take each entry from the first zip it exists in and don't warn") ) @@ -77,7 +79,7 @@ func init() { func main() { flag.Usage = func() { - fmt.Fprintln(os.Stderr, "usage: merge_zips [-jpsD] [-m manifest] [-e entrypoint] [-pm __main__.py] output [inputs...]") + fmt.Fprintln(os.Stderr, "usage: merge_zips [-jpsD] [-m manifest] [--prefix script] [-e entrypoint] [-pm __main__.py] output [inputs...]") flag.PrintDefaults() } @@ -99,6 +101,19 @@ func main() { log.Fatal(err) } defer output.Close() + + var offset int64 + if *prefix != "" { + prefixFile, err := os.Open(*prefix) + if err != nil { + log.Fatal(err) + } + offset, err = io.Copy(output, prefixFile) + if err != nil { + log.Fatal(err) + } + } + writer := zip.NewWriter(output) defer func() { err := writer.Close() @@ -106,6 +121,7 @@ func main() { log.Fatal(err) } }() + writer.SetOffset(offset) // make readers readers := []namedZipReader{} |