fix: use DATA_DIR for postStartCommand script

Signed-off-by: Georg Lauterbach <44545919+georglauterbach@users.noreply.github.com>

Author: georglauterbach

src/rust/devcontainer-feature.json

@@ -1,7 +1,7 @@
 // ref: https://github.com/devcontainers/spec/blob/main/schemas/devContainerFeature.schema.json
 {
   "id": "rust",
-  "version": "7.1.1",
+  "version": "7.1.2",
   "name": "Development Container Feature - Rust",
   "documentationURL": "https://github.com/georglauterbach/dev-container-features/tree/main/src/rust",
   "description": "Work efficiently and effortlessly with the Rust programming language",

src/rust/install.sh

@@ -247,7 +247,7 @@ function linker_install_mold() {
 function setup_post_start_command() {
   log 'info' 'Setting up postStartCommand script'
 
-  local SCRIPT_FILE="${CURRENT_DIR}/post_start_command.sh"
+  local SCRIPT_FILE="${DATA_DIR}/post_start_command.sh"
   readonly SCRIPT_FILE
 
   cp "${CURRENT_DIR}/post_start_command.sh" "${SCRIPT_FILE}"