feat: adapted strategy in order to provide autocompletion scripts in …

…install dir, too

lib/utils.bash

@@ -58,19 +58,19 @@ download_release() {
 install_version() {
   local install_type="$1"
   local version="$2"
-  local install_path="${3%/bin}/bin"
+  local install_path="${3%/bin}"
 
   if [ "$install_type" != "version" ]; then
     fail "asdf-$TOOL_NAME supports release installs only"
   fi
 
   (
     mkdir -p "$install_path"
-    cp -r "$ASDF_DOWNLOAD_PATH"/bin/* "$install_path"
-    # TODO: Assert step executable exists.
+    cp -r "$ASDF_DOWNLOAD_PATH"/* "$install_path"
+
     local tool_cmd
     tool_cmd="$(echo "$TOOL_TEST" | cut -d' ' -f1)"
-    test -x "$install_path/$tool_cmd" || fail "Expected $install_path/$tool_cmd to be executable."
+    test -x "$install_path/bin/$tool_cmd" || fail "Expected $install_path/bin/$tool_cmd to be executable."
 
     echo "$TOOL_NAME $version installation was successful!"
   ) || (