SERVER-63510: Fix apt packager for alpha nightly builds

buildscripts/packager.py

@@ -62,7 +62,7 @@ class Spec(object):
     def is_nightly(self):
         """Return True if nightly."""
         return bool(re.search("-$", self.version())) or bool(
-            re.search(r"\d-\d+-g[0-9a-f]+$", self.version()))
+            re.search(r"-g[0-9a-f]+$", self.version()))
 
     def is_patch(self):
         """Return True if patch."""

buildscripts/tests/test_packager.py

@@ -0,0 +1,47 @@
+"""Unit tests for the packager script."""
+from dataclasses import dataclass
+from unittest import TestCase
+
+from buildscripts.packager import Spec
+
+
+class TestPackager(TestCase):
+    """Test packager.py"""
+
+    def test_is_nightly(self) -> None:
+        """Test is_nightly."""
+
+        @dataclass
+        class Case:
+            """Test case data"""
+            name: str
+            version: str
+            want: bool
+
+        cases = [
+            Case(
+                name="Waterfall alpha",
+                version="5.3.0-alpha-211-g546d77f",
+                want=True,
+            ),
+            Case(
+                name="Waterfall",
+                version="5.3.0-211-g546d77f",
+                want=True,
+            ),
+            Case(
+                name="Mainline",
+                version="5.3.0",
+                want=False,
+            ),
+            Case(
+                name="Release candidate",
+                version="5.3.0-rc0",
+                want=False,
+            ),
+        ]
+
+        for case in cases:
+            with self.subTest(name=case.name):
+                spec = Spec(ver=case.version)
+                self.assertEqual(spec.is_nightly(), case.want)