use pwd and quote it

Seems more portable and safe

diff --git a/doc/special_remotes/compute/git-annex-compute-wasmedge b/doc/special_remotes/compute/git-annex-compute-wasmedge
index 0c361c62306ac9d31357944d44cc3056534b08a9..c20f7824a87bb2045cc4decd967955f9dfed3075 100755 (executable)
--- a/doc/special_remotes/compute/git-annex-compute-wasmedge
+++ b/doc/special_remotes/compute/git-annex-compute-wasmedge
@@ -43,5 +43,5 @@ if [ -n "$wasm" ]; then
        # Use --force-interpreter to avoid wasmedge running AOT native
        # instructions, which is insecure if the WASM binary comes from
        # an untrusted source.
-       wasmedge --dir /:$PWD --force-interpreter -- "$wasm" "$@" >&2
+       wasmedge --dir "/:`pwd`" --force-interpreter -- "$wasm" "$@" >&2
 fi