wp-uninstalled: fix a few shellcheck complaints

Author: whot

wp-uninstalled.sh

@@ -3,6 +3,7 @@
 set -e
 
 # This is unset by meson
+# shellcheck disable=SC2157
 if [ -z "@MESON@" ]; then
   SOURCEDIR="@MESON_SOURCE_ROOT@"
   BUILDDIR="@MESON_BUILD_ROOT@"
@@ -34,11 +35,11 @@ done
 shift $((OPTIND-1))
 
 if [ $# -eq 0 ]; then
-  echo "Usage: $(basename ${BASH_SOURCE[0]}) [options] <wireplumber|wpctl|wpexec|...>"
+  echo "Usage: $(basename "${BASH_SOURCE[0]}") [options] <wireplumber|wpctl|wpexec|...>"
   exit 1
 fi
 
-if [ ! -d ${BUILDDIR} ]; then
+if [ ! -d "${BUILDDIR}" ]; then
   echo "Invalid build directory: ${BUILDDIR}"
   exit 1
 fi
@@ -51,4 +52,4 @@ export WIREPLUMBER_DATA_DIR="${SOURCEDIR}/src"
 export PATH="${BUILDDIR}/src:${BUILDDIR}/src/tools:$PATH"
 export LD_LIBRARY_PATH="${BUILDDIR}/lib/wp:$LD_LIBRARY_PATH"
 
-exec $@
+exec "$@"