From c218f591ade6d1fabebc9c42bf0ab75d770551fe Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andreas=20M=C3=BCller?= <schnitzeltony@gmail.com>
Date: Fri, 9 Nov 2018 11:44:24 +0100
Subject: [PATCH] common-helpers.inc: Add GetBitbakeEnvVar
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Signed-off-by: Andreas Müller <schnitzeltony@gmail.com>
---
 scripts/include/common-helpers.inc | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/scripts/include/common-helpers.inc b/scripts/include/common-helpers.inc
index d5612bc..3ecd910 100644
--- a/scripts/include/common-helpers.inc
+++ b/scripts/include/common-helpers.inc
@@ -89,4 +89,14 @@ CheckPrerequisite() {
     fi
 }
 
-
+# GetBitbakeEnvVar starts bitbake -e and extracts environment variable.
+# Bitbake Variable is stored in BitbakeEnvVar
+GetBitbakeEnvVar() {
+    if [ "x`which bitbake 2>/dev/null`" = "x" ] ; then
+        ErrorOut "Bitbake not found! Script can only run in build environment."
+    fi
+    EvalExAuto "BitbakeEnvVar=`bitbake -e | grep ^${1}=`" "Run bitbake -e"
+    if [ -n "${BitbakeEnvVar}" ]; then
+        BitbakeEnvVar=`echo ${BitbakeEnvVar=} | sed -e s:${1}=::`
+    fi
+}