Set OS on scratch image and prevent panic if empty

Signed-off-by: John Stephens <johnstep@docker.com> Upstream-commit: a97817b673cbd3bfaf6e752282c4992ac43ff594 Component: engine
2017-11-06 18:22:15 -08:00
parent ae808b0eb3
commit 7cfb40e0bf
3 changed files with 39 additions and 2 deletions
@@ -619,6 +619,28 @@ func testBuildWithSession(c *check.C, dir, dockerfile string) (outStr string) {
 	return
 }

+func (s *DockerSuite) TestBuildScratchCopy(c *check.C) {
+	testRequires(c, DaemonIsLinux)
+	dockerfile := `FROM scratch
+ADD Dockerfile /
+ENV foo bar`
+	ctx := fakecontext.New(c, "",
+		fakecontext.WithDockerfile(dockerfile),
+	)
+	defer ctx.Close()
+
+	res, body, err := request.Post(
+		"/build",
+		request.RawContent(ctx.AsTarReader(c)),
+		request.ContentType("application/x-tar"))
+	c.Assert(err, checker.IsNil)
+	c.Assert(res.StatusCode, checker.Equals, http.StatusOK)
+
+	out, err := request.ReadBody(body)
+	require.NoError(c, err)
+	assert.Contains(c, string(out), "Successfully built")
+}
+
 type buildLine struct {
 	Stream string
 	Aux    struct {