"""git_sources.ignore_paths: per-source ignore-path list (phase 89)

Revision ID: 0013
Revises: 0012
Create Date: 2026-09-08

Phase 89 (per-source ignore paths: the owner types a list of
source-relative path prefixes per source — one path per line — into the
box on the Sources page; the importer never walks, embeds, or summarizes
a file whose source-relative path starts with one of them; A1 raw prefix
semantics, A4 limits, A5 replace semantics; one additive, reversible
column, A13):

* ``git_sources.ignore_paths`` — JSONB NOT NULL with server default
  ``'[]'``: the normalized, non-empty source-relative path prefixes. A
  file is ignored when its source-relative POSIX path starts with any
  entry (no mid-path matching, no globs). Existing rows read ``[]`` —
  every pre-phase-89 row imports exactly as before.
"""
from __future__ import annotations

import sqlalchemy as sa
from sqlalchemy.dialects import postgresql

from alembic import op

revision = "0013"
down_revision = "0012"
branch_labels = None
depends_on = None


def upgrade() -> None:
    op.add_column(
        "git_sources",
        sa.Column(
            "ignore_paths",
            postgresql.JSONB(astext_type=sa.Text()),
            server_default=sa.text("'[]'"),
            nullable=False,
        ),
    )


def downgrade() -> None:
    # Safe order: the column is the only 0013 artefact — dropping it
    # leaves 0012's schema byte-identical (A13, fully reversible).
    op.drop_column("git_sources", "ignore_paths")