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Only create metadata if file is non-zero sized

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The recent iso9660wrap vendoring bump means this does now work, but it seems
pointless in this case so skip.

Relates to https://github.com/linuxkit/kubernetes/issues/4

Signed-off-by: Ian Campbell <ijc@docker.com>
This commit is contained in:
Ian Campbell 2017-11-20 15:26:51 +00:00
parent a5e5d42368
commit cef9d11f58
1 changed files with 3 additions and 1 deletions
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4
src/cmd/linuxkit/util.go
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@ -262,8 +262,10 @@ func CreateMetadataISO(state, data string) ([]string, error) {
} }
var d []byte var d []byte
if _, err := os.Stat(data); os.IsNotExist(err) { if st, err := os.Stat(data); os.IsNotExist(err) {
d = []byte(data) d = []byte(data)
} else if st.Size() == 0 {
return []string{}, nil
} else { } else {
d, err = ioutil.ReadFile(data) d, err = ioutil.ReadFile(data)
if err != nil { if err != nil {