fix: keep source archives portable

tests/test_source_archive_portability.py

@@ -0,0 +1,66 @@
+from __future__ import annotations
+
+from pathlib import Path
+import os
+import subprocess
+import tarfile
+
+
+ROOT = Path(__file__).resolve().parents[1]
+
+
+def _tracked_entries() -> list[tuple[str, str]]:
+    output = subprocess.check_output(
+        ["git", "ls-files", "-s", "-z"], cwd=ROOT, text=False
+    )
+    entries = []
+    for record in output.split(b"\0"):
+        if not record:
+            continue
+        metadata, path = record.split(b"\t", 1)
+        mode = metadata.split(b" ", 1)[0].decode()
+        entries.append((mode, path.decode()))
+    return entries
+
+
+def test_tracked_symlinks_are_portable_and_repository_has_no_gitlinks():
+    gitlinks = []
+    absolute_links = []
+    for mode, relative_path in _tracked_entries():
+        path = ROOT / relative_path
+        if mode == "160000":
+            gitlinks.append(relative_path)
+        elif mode == "120000" and os.path.isabs(os.readlink(path)):
+            absolute_links.append(relative_path)
+
+    assert not gitlinks, f"source distribution must not contain gitlinks: {gitlinks}"
+    assert not absolute_links, (
+        "source distribution must not contain absolute symlinks: "
+        f"{absolute_links}"
+    )
+
+
+def test_git_archive_has_no_absolute_symlinks(tmp_path):
+    archive_path = tmp_path / "funasr.tar"
+    tree = subprocess.check_output(
+        ["git", "write-tree"], cwd=ROOT, text=True
+    ).strip()
+    with archive_path.open("wb") as archive:
+        subprocess.run(
+            ["git", "archive", "--format=tar", tree],
+            cwd=ROOT,
+            check=True,
+            stdout=archive,
+        )
+
+    with tarfile.open(archive_path) as archive:
+        absolute_links = [
+            member.name
+            for member in archive.getmembers()
+            if member.issym() and os.path.isabs(member.linkname)
+        ]
+
+    assert not absolute_links, (
+        "git archive must be extractable by source installers without external links: "
+        f"{absolute_links}"
+    )