feat: archive git repository (experimental)

See doc/git-archive.md for general Git archive specifications
See doc/repos/metadata-repo.md for info and direction related to the new Git metadata archive

migrations/versions/6441d3b65270_add_popularityupdated_to_packagebase.py

@@ -0,0 +1,33 @@
+"""add PopularityUpdated to PackageBase
+
+Revision ID: 6441d3b65270
+Revises: d64e5571bc8d
+Create Date: 2022-09-22 18:08:03.280664
+
+"""
+from alembic import op
+from sqlalchemy.exc import OperationalError
+
+from aurweb.models.package_base import PackageBase
+from aurweb.scripts import popupdate
+
+# revision identifiers, used by Alembic.
+revision = "6441d3b65270"
+down_revision = "d64e5571bc8d"
+branch_labels = None
+depends_on = None
+
+table = PackageBase.__table__
+
+
+def upgrade():
+    try:
+        op.add_column(table.name, table.c.PopularityUpdated)
+    except OperationalError:
+        print(f"table '{table.name}' already exists, skipping migration")
+
+    popupdate.run_variable()
+
+
+def downgrade():
+    op.drop_column(table.name, "PopularityUpdated")