[OE-core] [PATCH 3/7] toolchain-shar-extract.sh: do not allow $ in paths for ext SDK

[Paul Eggleton]

If you put an $ character in the path, SDK installation fails during the
preparation stage, so add this to the disallowed characters.

Fixes [YOCTO #8625].

Signed-off-by: Paul Eggleton <paul.eggleton at linux.intel.com>
---
 meta/files/toolchain-shar-extract.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/meta/files/toolchain-shar-extract.sh b/meta/files/toolchain-shar-extract.sh
index 98b9f1c..954b6b3 100644
--- a/meta/files/toolchain-shar-extract.sh
+++ b/meta/files/toolchain-shar-extract.sh
@@ -101,9 +101,9 @@ fi
 
 if [ "$SDK_EXTENSIBLE" = "1" ]; then
 	# We're going to be running the build system, additional restrictions apply
-	if echo "$target_sdk_dir" | grep -q '[+\ @]'; then
+	if echo "$target_sdk_dir" | grep -q '[+\ @$]'; then
 		echo "The target directory path ($target_sdk_dir) contains illegal" \
-		     "characters such as spaces, @ or +. Abort!"
+		     "characters such as spaces, @, \$ or +. Abort!"
 		exit 1
 	fi
 else
-- 
2.1.0