Publish Ludarium source

deploy/repair-postgres-collation.sh

@@ -0,0 +1,74 @@
+#!/usr/bin/env bash
+set -Eeuo pipefail
+
+database="${POSTGRES_DB:-ludarium}"
+database_user="${POSTGRES_USER:-ludarium}"
+if [[ ! "$database" =~ ^[A-Za-z_][A-Za-z0-9_]*$ ]]; then
+  echo "PostgreSQL collation repair requires a simple validated database identifier." >&2
+  exit 1
+fi
+psql_base=(psql -v ON_ERROR_STOP=1 -U "$database_user" -d "$database")
+
+versions="$("${psql_base[@]}" -At -F '|' -c \
+  "select coalesce(datcollversion,''),coalesce(pg_database_collation_actual_version(oid),'') from pg_database where datname=current_database()")"
+IFS='|' read -r stored_version actual_version <<< "$versions"
+
+if [[ -z "$actual_version" || "$stored_version" == "$actual_version" ]]; then
+  exit 0
+fi
+
+printf 'PostgreSQL collation drift detected for %s: stored=%s actual=%s\n' \
+  "$database" "${stored_version:-<unversioned>}" "$actual_version"
+
+has_platform_definitions="$("${psql_base[@]}" -At -c \
+  "select to_regclass('public.platform_definitions') is not null")"
+if [[ "$has_platform_definitions" == "t" ]]; then
+  unsafe_duplicates="$("${psql_base[@]}" -At -c "
+    with duplicate_ids as (
+      select id from platform_definitions group by id having count(*) > 1
+    ), variants as (
+      select p.id,
+        count(distinct jsonb_build_object(
+          'custom',p.custom,'enabled',p.enabled,'version',p.version,
+          'data',p.data - 'updatedAt')) as semantic_variants,
+        bool_or(p.custom) as contains_custom
+      from platform_definitions p join duplicate_ids d using(id)
+      group by p.id
+    )
+    select count(*) from variants where contains_custom or semantic_variants <> 1")"
+  if [[ "$unsafe_duplicates" != "0" ]]; then
+    echo "Collation repair found ambiguous or custom platform duplicates; refusing automatic data changes." >&2
+    exit 1
+  fi
+
+  removed_duplicates="$("${psql_base[@]}" -At -c "
+    with ranked as (
+      select ctid,row_number() over(partition by id order by updated_at desc,ctid desc) as ordinal
+      from platform_definitions
+    ), removed as (
+      delete from platform_definitions p using ranked r
+      where p.ctid=r.ctid and r.ordinal > 1 returning 1
+    )
+    select count(*) from removed")"
+  if [[ "$removed_duplicates" != "0" ]]; then
+    printf 'Removed %s semantically identical built-in platform duplicate(s) before reindex.\n' "$removed_duplicates"
+  fi
+fi
+
+"${psql_base[@]}" -c "REINDEX DATABASE \"$database\"" >/dev/null
+if [[ -z "$stored_version" ]]; then
+  "${psql_base[@]}" -c "
+    update pg_database
+    set datcollversion=pg_database_collation_actual_version(oid)
+    where datname=current_database() and datcollversion is null" >/dev/null
+else
+  "${psql_base[@]}" -c "ALTER DATABASE \"$database\" REFRESH COLLATION VERSION" >/dev/null
+fi
+
+refreshed_version="$("${psql_base[@]}" -At -c \
+  "select coalesce(datcollversion,'') from pg_database where datname=current_database()")"
+if [[ "$refreshed_version" != "$actual_version" ]]; then
+  echo "PostgreSQL collation version did not refresh to the runtime version." >&2
+  exit 1
+fi
+printf 'PostgreSQL collation indexes rebuilt and version refreshed to %s.\n' "$refreshed_version"