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Allow ~ for home directory when specifying source of file

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Useful when adding ssh keys

Signed-off-by: Justin Cormack <justin.cormack@docker.com>
This commit is contained in:
Justin Cormack 2017-06-12 16:37:00 +02:00
parent e94d0d8093
commit 1988b312d2
1 changed files with 3 additions and 1 deletions
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4
cmd/moby/build.go
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@ -558,7 +558,9 @@ func filesystem(m Moby, tw *tar.Writer) error {
if f.Source == "" {
return errors.New("Contents of file not specified")
}
if len(f.Source) > 2 && f.Source[:2] == "~/" {
f.Source = homeDir() + f.Source[1:]
}
contents, err := ioutil.ReadFile(f.Source)
if err != nil {
return err