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check on the client side that there is a Dockerfile, so we don't upload a huge stack of files, only to realise we can't do anything

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This commit is contained in:
Sven Dowideit 2013-12-02 15:52:45 +10:00
parent d9cdd45d2e
commit 26cf8b9aff
1 changed files with 4 additions and 0 deletions
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4
commands.go
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@ -195,6 +195,10 @@ func (cli *DockerCli) CmdBuild(args ...string) error {
if _, err := os.Stat(cmd.Arg(0)); err != nil {
return err
}
filename := path.Join(cmd.Arg(0), "Dockerfile")
if _, err = os.Stat(filename); os.IsNotExist(err) {
return fmt.Errorf("no Dockerfile found in %s", cmd.Arg(0))
}
context, err = archive.Tar(cmd.Arg(0), archive.Uncompressed)
}
var body io.Reader