Hash bin delegation example: save versioned files

If we have a goal of making metadata that can just be served to clients,
then these (and the parent metadata) should have versioned filenames.
Change the file names of the delegated files in the
hashed_bin_delegation.py to versioned.

Signed-off-by: Martin Vrachev <mvrachev@vmware.com>

Author: MVrachev

examples/repo_example/hashed_bin_delegation.py

@@ -198,8 +198,8 @@ def find_hash_bin(path: str) -> str:
 
 # Sign and persist
 # ----------------
-# Sign all metadata and persist to temporary directory at CWD for review
-# (most notably see 'bins.json' and '80-87.json').
+# Sign all metadata and persist to temporary directory at CWD for review using
+# versioned file names. Most notably see '1.bins.json' and '1.80-87.json'.
 
 # NOTE: See "Persist metadata" paragraph in 'basic_repo.py' example for more
 # details about serialization formats and metadata file name convention.
@@ -211,6 +211,6 @@ def find_hash_bin(path: str) -> str:
     signer = SSlibSigner(key)
     role.sign(signer)
 
-    filename = f"{role_name}.json"
+    filename = f"1.{role_name}.json"
     filepath = os.path.join(TMP_DIR, filename)
     role.to_file(filepath, serializer=PRETTY)

tests/test_examples.py

@@ -92,39 +92,39 @@ def test_hashed_bin_delegation(self) -> None:
         self._run_script_and_assert_files(
             "hashed_bin_delegation.py",
             [
-                "bins.json",
-                "00-07.json",
-                "08-0f.json",
-                "10-17.json",
-                "18-1f.json",
-                "20-27.json",
-                "28-2f.json",
-                "30-37.json",
-                "38-3f.json",
-                "40-47.json",
-                "48-4f.json",
-                "50-57.json",
-                "58-5f.json",
-                "60-67.json",
-                "68-6f.json",
-                "70-77.json",
-                "78-7f.json",
-                "80-87.json",
-                "88-8f.json",
-                "90-97.json",
-                "98-9f.json",
-                "a0-a7.json",
-                "a8-af.json",
-                "b0-b7.json",
-                "b8-bf.json",
-                "c0-c7.json",
-                "c8-cf.json",
-                "d0-d7.json",
-                "d8-df.json",
-                "e0-e7.json",
-                "e8-ef.json",
-                "f0-f7.json",
-                "f8-ff.json",
+                "1.bins.json",
+                "1.00-07.json",
+                "1.08-0f.json",
+                "1.10-17.json",
+                "1.18-1f.json",
+                "1.20-27.json",
+                "1.28-2f.json",
+                "1.30-37.json",
+                "1.38-3f.json",
+                "1.40-47.json",
+                "1.48-4f.json",
+                "1.50-57.json",
+                "1.58-5f.json",
+                "1.60-67.json",
+                "1.68-6f.json",
+                "1.70-77.json",
+                "1.78-7f.json",
+                "1.80-87.json",
+                "1.88-8f.json",
+                "1.90-97.json",
+                "1.98-9f.json",
+                "1.a0-a7.json",
+                "1.a8-af.json",
+                "1.b0-b7.json",
+                "1.b8-bf.json",
+                "1.c0-c7.json",
+                "1.c8-cf.json",
+                "1.d0-d7.json",
+                "1.d8-df.json",
+                "1.e0-e7.json",
+                "1.e8-ef.json",
+                "1.f0-f7.json",
+                "1.f8-ff.json",
             ],
         )