Add ability to revert tags via time machine

data/migrations/versions/1c3decf6b9c4_add_revert_tag_log_entry_kind.py

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+"""Add revert_tag log entry kind
+
+Revision ID: 1c3decf6b9c4
+Revises: 4ce2169efd3b
+Create Date: 2015-04-16 17:14:11.154856
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = '1c3decf6b9c4'
+down_revision = '4ce2169efd3b'
+
+from alembic import op
+import sqlalchemy as sa
+
+
+def upgrade(tables):
+    op.bulk_insert(tables.logentrykind,
+    [
+        {'id': 47, 'name':'revert_tag'},
+    ])
+
+
+def downgrade(tables):
+    op.execute(
+        (tables.logentrykind.delete()
+            .where(tables.logentrykind.c.name == op.inline_literal('revert_tag')))
+
+    )

data/migrations/versions/4ce2169efd3b_add_reversion_column_to_the_tags_table.py

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+"""Add reversion column to the tags table
+
+Revision ID: 4ce2169efd3b
+Revises: 2b4dc0818a5e
+Create Date: 2015-04-16 17:10:16.039835
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = '4ce2169efd3b'
+down_revision = '2b4dc0818a5e'
+
+from alembic import op
+import sqlalchemy as sa
+
+
+def upgrade(tables):
+    ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('repositorytag', sa.Column('reversion', sa.Boolean(), nullable=False))
+    ### end Alembic commands ###
+
+
+def downgrade(tables):
+    ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column('repositorytag', 'reversion')
+    ### end Alembic commands ###