[puter] don't use git ls-files for build.sh hash check

Author: velzie

rewriter/wasm/build.sh

@@ -14,7 +14,7 @@ fi
 MODE="release"
 if [ "${RELEASE:-0}" != "1" ]; then MODE="debug"; fi
 # shellcheck disable=SC2046
-SRC_HASH=$( (echo "MODE=${MODE}"; sha256sum $(git ls-files -z -- "src" | tr '\0' ' ' 2>/dev/null || find src -type f -name '*.rs'; echo Cargo.toml; echo build.sh) 2>/dev/null | sort -k2 | sha256sum ) | sha256sum | cut -d' ' -f1 ) || SRC_HASH="unknown"
+SRC_HASH=$( (echo "MODE=${MODE}"; sha256sum $(find src -type f -name '*.rs'; echo Cargo.toml; echo build.sh) 2>/dev/null | sort -k2 | sha256sum ) | sha256sum | cut -d' ' -f1 ) || SRC_HASH="unknown"
 
 if [ -f out/.build-hash ] && [ -f ../../dist/scramjet.wasm.wasm ] && [ "$SRC_HASH" != "unknown" ] && grep -q "$SRC_HASH" out/.build-hash; then
   echo "Rewriter sources unchanged (hash $SRC_HASH); skipping rebuild."