It's unused and crufty, and potentially security leak.
run-test.sh: run-test.sh.in
$(AM_V_GEN) sed \
-e "s|@MUTTER_TYPELIB_DIR[@]|$(MUTTER_TYPELIB_DIR)|" \
- -e "s|@JHBUILD_TYPELIBDIR[@]|$(JHBUILD_TYPELIBDIR)|" \
-e "s|@srcdir[@]|$(srcdir)|" \
$< > $@ && chmod a+x $@
srcdir=$builddir/@srcdir@
srcdir=`cd $srcdir && pwd`
-GI_TYPELIB_PATH="$GI_TYPELIB_PATH${GI_TYPELIB_PATH:+:}@MUTTER_TYPELIB_DIR@:@JHBUILD_TYPELIBDIR@:$builddir/../src"
+GI_TYPELIB_PATH="$GI_TYPELIB_PATH${GI_TYPELIB_PATH:+:}@MUTTER_TYPELIB_DIR@:$builddir/../src"
GJS_PATH="$srcdir:$srcdir/../js"
GJS_DEBUG_OUTPUT=stderr
$verbose || GJS_DEBUG_TOPICS="JS ERROR;JS LOG"