Merge branch 'altstore-index-fix' into 'master'

🐛 index fix: skip altstore when no IPAs present

See merge request fdroid/fdroidserver!1473

fdroidserver/index.py

@@ -1766,6 +1766,10 @@ def make_altstore(apps, apks, config, repodir, pretty=False):
     https://faq.altstore.io/distribute-your-apps/make-a-source
     https://faq.altstore.io/distribute-your-apps/updating-apps
     """
+    if not any(Path(repodir).glob('*.ipa')):
+        # no IPA files present in repo, nothing to do here, exiting early
+        return
+
     indent = 2 if pretty else None
     # for now alt-store support is english only
     for lang in ['en']:

tests/index.TestCase

@@ -869,6 +869,8 @@ class AltstoreIndexTest(unittest.TestCase):
         with tempfile.TemporaryDirectory() as tmpdir, TmpCwd(tmpdir):
             repodir = Path(tmpdir) / 'repo'
             repodir.mkdir()
+            with open(repodir / "fake.ipa", "w") as f:
+                f.write("")
 
             fdroidserver.index.make_altstore(
                 apps,