when `cli.post(...)` fails `errC <- err` blocks because `errC` is unbufferd. Signed-off-by: Simon Menke <simon.menke@gmail.com> (cherry picked from commit 4d2d2ea39336aade783c5c415b83d129bdd339bb) Signed-off-by: Andrew Hsu <andrewhsu@docker.com>
when `cli.post(...)` fails `errC <- err` blocks because `errC` is unbufferd. Signed-off-by: Simon Menke <simon.menke@gmail.com> (cherry picked from commit 4d2d2ea39336aade783c5c415b83d129bdd339bb) Signed-off-by: Andrew Hsu <andrewhsu@docker.com>