Don't truncate the filename extension in 'fn' for fake conda-metas

conda_lock/conda_solver.py

@@ -565,9 +565,10 @@ def fake_conda_environment(
             channel = urlunsplit(
                 (url.scheme, url.hostname, str(path.parent), None, None)
             )
-            while path.suffix in {".tar", ".bz2", ".gz", ".conda"}:
-                path = path.with_suffix("")
-            build = path.name.split("-")[-1]
+            truncated_path = path
+            while truncated_path.suffix in {".tar", ".bz2", ".gz", ".conda"}:
+                truncated_path = truncated_path.with_suffix("")
+            build = truncated_path.name.split("-")[-1]
             try:
                 build_number = int(build.split("_")[-1])
             except ValueError:
@@ -588,6 +589,6 @@ def fake_conda_environment(
             if dep.hash.sha256 is not None:
                 entry["sha256"] = dep.hash.sha256
 
-            with open(conda_meta / (path.name + ".json"), "w") as f:
+            with open(conda_meta / (truncated_path.name + ".json"), "w") as f:
                 json.dump(entry, f, indent=2)
         yield prefix

tests/test_conda_lock.py

@@ -2644,7 +2644,10 @@ def test_fake_conda_env(conda_exe: str, conda_lock_yaml: Path):
             else:
                 assert env_package["base_url"] == expected_base_url
                 assert env_package["channel"] == expected_channel
-            assert env_package["dist_name"] == f"{path.name[:-8]}"
+            expected_dist = path
+            while expected_dist.name.endswith((".tar", ".bz2", ".gz", ".conda")):
+                expected_dist = expected_dist.with_suffix("")
+            assert env_package["dist_name"] == expected_dist.name
             assert platform == path.parent.name