From 9904ea2c76e246629fab8bda455eec07aa84f3f9 Mon Sep 17 00:00:00 2001
From: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Date: Wed, 23 Feb 2022 13:43:48 +0200
Subject: [PATCH] ci: Convert generate-env.sh to a POSIX compliant script

This shell script will be used in environments (e.g. LAVA) where bash
is not available, hence let's make sure it is POSIX compliant in order
to be able to execute on any modern shell interpreter.

Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Reviewed-by: Guilherme Gallo <guilherme.gallo@collabora.com>
Reviewed-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15208>
---
 .gitlab-ci/common/generate-env.sh | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/.gitlab-ci/common/generate-env.sh b/.gitlab-ci/common/generate-env.sh
index 937ab8ea6d0..58e92490381 100755
--- a/.gitlab-ci/common/generate-env.sh
+++ b/.gitlab-ci/common/generate-env.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 for var in \
     ASAN_OPTIONS \
@@ -106,8 +106,8 @@ for var in \
     VK_CPU \
     VK_DRIVER \
     VK_ICD_FILENAMES \
-    ; do
-  if [ -n "${!var+x}" ]; then
-    echo "export $var=${!var@Q}"
-  fi
+    ;
+do
+    eval val=\$${var}
+    [ -z "$val" ] || echo "export $var='$val'"
 done