Fix permission on host

Signed-off-by: Takeshi Yoneda <[email protected]>

Author: mathetake

images/extension-builders/tinygo/commands.sh

@@ -16,13 +16,18 @@
 
 extension_build()  {
 	tinygo build -o "$1" -scheduler=none -target wasi main.go
+	# This is necessary since the created go caches are with read-only permission,
+	# and without this, the host user cannot delete the build directory with "rm -rf".
+	chmod -R a+rw build/
 }
 
 extension_test()  {
 	go test -tags=proxytest -v ./...
+	# This is necessary since the created go caches are with read-only permission,
+	# and without this, the host user cannot delete the build directory with "rm -rf".
+	chmod -R a+rw build/
 }
 
 extension_clean()  {
-	go clean -modcache
-	rm -rf "${GOCACHE}" "${XDG_CACHE_HOME}" || true
+	rm -rf build
 }