[OE-core] [PATCH 1/3] toolchain-shar-extract.sh: ensure extensible SDK install path obeys restrictions

[brendan.le.foll at intel.com]

From: Brendan Le Foll <brendan.le.foll at intel.com>

There are some characters that cannot appear in the installation path, so we
need to check for these

Signed-off-by: Brendan Le Foll <brendan.le.foll at intel.com>
---
 meta/files/toolchain-shar-extract.sh | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/meta/files/toolchain-shar-extract.sh b/meta/files/toolchain-shar-extract.sh
index 0a33ee8..6984e11 100644
--- a/meta/files/toolchain-shar-extract.sh
+++ b/meta/files/toolchain-shar-extract.sh
@@ -85,9 +85,12 @@ else
 	target_sdk_dir=$(readlink -m "$target_sdk_dir")
 fi
 
-if [ -n "$(echo $target_sdk_dir|grep ' ')" ]; then
-	echo "The target directory path ($target_sdk_dir) contains spaces. Abort!"
-	exit 1
+if [ "$SDK_EXTENSIBLE" = "1" ]; then
+	if [[ "$target_sdk_dir" =~ [+\ @] ]]; then
+		echo "The target directory path ($target_sdk_dir) contains illegal" \
+		     "characters such as spaces, @ or +. Abort!"
+		exit 1
+	fi
 fi
 
 if [ -e "$target_sdk_dir/environment-setup- at REAL_MULTIMACH_TARGET_SYS@" ]; then
-- 
2.5.0