From 3401c42e937e9123b61a5403efb13455fa371974 Mon Sep 17 00:00:00 2001
From: Valentin Lab <valentin.lab@kalysto.org>
Date: Mon, 16 Sep 2019 10:48:01 +0200
Subject: [PATCH] fix: prevent spurious output from possible ``docker pull`` to
 polute stdout

---
 bin/compose-core | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bin/compose-core b/bin/compose-core
index 0da0ea8..863e926 100755
--- a/bin/compose-core
+++ b/bin/compose-core
@@ -434,7 +434,7 @@ cached_cmd_on_base_image() {
     fi
     base_image=$(service_base_docker_image "$service") || return 1
     if ! docker_has_image "$base_image"; then
-        docker pull "$base_image"
+        docker pull "$base_image" 1>&2
     fi
     result=$(cached_cmd_on_image "$base_image" "$@") || return 1
     echo "$result" | tee "$cache_file"