display change on stub check failure

.github/workflows/checks.yml

@@ -71,10 +71,10 @@ jobs:
         run: poetry run ./check-version.py
 
   # ---
-  # --- Check that python stubs are up to date
+  # --- Check that python stub file is up to date
   # ---
 
-  check-stubs:
+  check-stub:
     runs-on: ubuntu-latest
     defaults:
       run:
@@ -92,7 +92,7 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install poetry
-      - name: Check that Python stubs are up to date
+      - name: Check that Python stub file is up to date
         run: cargo run --bin stub_gen -- check
 
   # ---

CHANGELOG.md

@@ -4,7 +4,7 @@
 
 ### Python
 
-- Add auto-generated Python stubs.
+- Add auto-generated Python stub file.
 
 ## 1.0.0
 

opening-hours-py/src/bin/stub_gen.rs

@@ -31,16 +31,26 @@ fn main() -> pyo3_stub_gen::Result<()> {
     std::process::Command::new("poetry")
         .args(["run", "ruff", "format", STUB_SOURCE_PATH])
         .output()
-        .expect("failed to format stubs with ruff");
+        .expect("failed to format stub with ruff");
 
     let changed = load_file(STUB_SOURCE_PATH) != load_file(STUB_TARGET_PATH);
 
     if changed {
         if is_subcommand_check {
+            println!(
+                "--- SOURCE:\n{}",
+                String::from_utf8_lossy(&load_file(STUB_SOURCE_PATH))
+            );
+
+            println!(
+                "--- TARGET:\n{}",
+                String::from_utf8_lossy(&load_file(STUB_TARGET_PATH))
+            );
+
             std::fs::remove_file(STUB_SOURCE_PATH).expect("could not remove stub file");
             panic!("File changed!");
         } else {
-            println!("Installing new stubs.");
+            println!("Installing new stub file to {STUB_TARGET_PATH}.");
 
             std::fs::rename(STUB_SOURCE_PATH, STUB_TARGET_PATH)
                 .expect("could not move stub to project's root");