From 7f0f6b2a73f87c31cefc488316e387ed31838ed8 Mon Sep 17 00:00:00 2001
From: Paul Spooren <mail@aparcar.org>
Date: Mon, 27 May 2019 11:33:29 +0200
Subject: [PATCH] procd: add docker support

detects if running in a docker container, which then requires special
treatment of mounts. OpenWrt within Docker is useful for CI testing.

Signed-off-by: Paul Spooren <mail@aparcar.org>
---
 container.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/container.h b/container.h
index d33fa32..dd2e432 100644
--- a/container.h
+++ b/container.h
@@ -16,9 +16,11 @@
 
 #include <stdlib.h>
 #include <stdbool.h>
+#include <sys/stat.h>
 
 static inline bool is_container() {
-	return !!getenv("container");
+	struct stat s;
+	return !!getenv("container") || !!stat("/.dockerenv", &s);
 }
 
 #endif
-- 
2.25.1