Get the translated lint checker descriptions into the database

Signed-off-by: Christopher Baines <mail@cbaines.net>

sqitch/deploy/translations_for_lint_checker_descriptions.sql

@@ -0,0 +1,40 @@
+-- Deploy guix-data-service:translations_for_lint_checker_descriptions to pg
+
+BEGIN;
+
+CREATE TABLE lint_checker_descriptions (
+  id integer PRIMARY KEY GENERATED ALWAYS AS IDENTITY,
+  locale varchar NOT NULL,
+  description varchar NOT NULL,
+  UNIQUE (locale, description)
+);
+
+CREATE TABLE lint_checker_description_sets (
+  id integer NOT NULL PRIMARY KEY GENERATED ALWAYS AS IDENTITY,
+  description_ids integer[] NOT NULL,
+  UNIQUE (description_ids)
+);
+
+ALTER TABLE lint_checkers ADD COLUMN lint_checker_description_set_id integer REFERENCES lint_checker_description_sets(id);
+
+INSERT INTO lint_checker_descriptions(locale, description)
+SELECT DISTINCT 'en_US.utf8', description
+  FROM lint_checkers;
+
+INSERT INTO lint_checker_description_sets (description_ids)
+SELECT DISTINCT ARRAY_AGG(
+  id)
+  FROM lint_checker_descriptions
+ GROUP BY id;
+
+UPDATE lint_checkers
+   SET lint_checker_description_set_id =
+       lint_checker_description_sets.id
+       FROM lint_checker_description_sets
+       INNER JOIN lint_checker_descriptions
+       ON lint_checker_description_sets.description_ids[1] = lint_checker_descriptions.id
+ WHERE lint_checkers.description = lint_checker_descriptions.description;
+
+ALTER TABLE lint_checkers DROP COLUMN description;
+
+COMMIT;