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build: use correct in-memory input 

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
This commit is contained in:
Tonis Tiigi 2019-09-26 09:10:39 -07:00
parent 7c97854b6f
commit 75f8d7ebb5
1 changed files with 2 additions and 2 deletions
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4
build/build.go
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@ -735,7 +735,7 @@ func LoadInputs(inp Inputs, target *client.SolveOpt) (func(), error) {
return nil, errStdinConflict
}
buf := bufio.NewReader(os.Stdin)
buf := bufio.NewReader(inp.InStream)
magic, err := buf.Peek(archiveHeaderSize * 2)
if err != nil && err != io.EOF {
return nil, errors.Wrap(err, "failed to peek context header from STDIN")
@ -761,7 +761,7 @@ func LoadInputs(inp Inputs, target *client.SolveOpt) (func(), error) {
target.LocalDirs["context"] = inp.ContextPath
switch inp.DockerfilePath {
case "-":
dockerfileReader = os.Stdin
dockerfileReader = inp.InStream
case "":
dockerfileDir = inp.ContextPath
default: