Fix push endpoint stream

The push binding endpoint wasn't actually writing the
output data to the stream when quiet=false and there
was no push error.
Do not hard code quiet=true anymore, take into account the
user input.

Signed-off-by: Urvashi Mohnani <umohnani@redhat.com>

pkg/api/handlers/libpod/images_push.go

@@ -81,7 +81,7 @@ func PushImage(w http.ResponseWriter, r *http.Request) {
 		ForceCompressionFormat: query.ForceCompressionFormat,
 		Format:                 query.Format,
 		Password:               password,
-		Quiet:                  true,
+		Quiet:                  query.Quiet,
 		RemoveSignatures:       query.RemoveSignatures,
 		Username:               username,
 	}
@@ -150,9 +150,9 @@ func PushImage(w http.ResponseWriter, r *http.Request) {
 			}
 			if pushError != nil {
 				stream.Error = pushError.Error()
-				if err := enc.Encode(stream); err != nil {
-					logrus.Warnf("Failed to encode json: %v", err)
-				}
+			}
+			if err := enc.Encode(stream); err != nil {
+				logrus.Warnf("Failed to encode json: %v", err)
 			}
 			flush()
 			return

test/apiv2/12-imagesMore.at

@@ -43,8 +43,23 @@ s1=$(jq -r .status <<<"${lines[1]}")
 like "$s1" "mytag: digest: sha256:[0-9a-f]\{64\} size: [0-9]\+" \
      "Push to local registry: second status line"
 
+# Push to local registry using the libpod endpoint with quiet=false...
+# First create a new tag for the image to push
+t POST "libpod/images/$IMAGE/tag?repo=localhost:$REGISTRY_PORT/myrepo&tag=quiet-false" 201
+
+t POST "libpod/images/localhost:$REGISTRY_PORT/myrepo:quiet-false/push?tlsVerify=false&quiet=false" 200
+
+# ...and check output. We can't use our built-in checks because this output
+# is a sequence of JSON objects, i.e., individual ones, not in a JSON array.
+# The lines themselves are valid JSON, but taken together they are not.
+readarray lines <<<"$output"
+s0=$(jq -r .manifestdigest <<<"${lines[-1]}")
+like "$s0" "sha256:[0-9a-f]\{64\}" \
+   "Push to local registry: last line in push report"
+
 # Untag the image
 t POST "libpod/images/$iid/untag?repo=localhost:$REGISTRY_PORT/myrepo&tag=mytag" 201
+t POST "libpod/images/$iid/untag?repo=localhost:$REGISTRY_PORT/myrepo&tag=quiet-false" 201
 
 # Try to push non-existing image
 t POST "images/localhost:$REGISTRY_PORT/idonotexist/push?tlsVerify=false" 404