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gomtree: allow tar from stdin

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Signed-off-by: Vincent Batts <vbatts@hashbangbash.com>
This commit is contained in:
Vincent Batts 2016-08-11 14:07:07 -04:00
parent 232b80f320
commit 90bdfb6c29
1 changed files with 15 additions and 8 deletions
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13
cmd/gomtree/main.go
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@ -22,7 +22,7 @@ var (
flUseKeywords = flag.String("k", "", "Use the specified (delimited by comma or space) keywords as the current set of keywords")
flListKeywords = flag.Bool("list-keywords", false, "List the keywords available")
flResultFormat = flag.String("result-format", "bsd", "output the validation results using the given format (bsd, json, path)")
flTar = flag.String("T", "", "use tar archive to create or validate a directory hierarchy spec")
flTar = flag.String("T", "", "use tar archive to create or validate a directory hierarchy spec (\"-\" indicates stdin)")
flBsdKeywords = flag.Bool("bsd-keywords", false, "only operate on keywords that are supported by upstream mtree(8)")
flListUsedKeywords = flag.Bool("list-used", false, "list all the keywords found in a validation manifest")
flDebug = flag.Bool("debug", false, "output debug info to STDERR")
@ -184,13 +184,20 @@ func main() {
// -T <tar file>
var tdh *mtree.DirectoryHierarchy
if *flTar != "" {
var input io.Reader
if *flTar == "-" {
input = os.Stdin
} else {
fh, err := os.Open(*flTar)
if err != nil {
log.Println(err)
isErr = true
return
}
ts := mtree.NewTarStreamer(fh, currentKeywords)
defer fh.Close()
input = fh
}
ts := mtree.NewTarStreamer(input, currentKeywords)
if _, err := io.Copy(ioutil.Discard, ts); err != nil && err != io.EOF {
log.Println(err)
@ -202,7 +209,7 @@ func main() {
isErr = true
return
}
defer fh.Close()
var err error
tdh, err = ts.Hierarchy()
if err != nil {
log.Println(err)