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scripts/gitea/fix-postgres-collation-version.sh
Dobromir Popov b92a02a770 fix gitea db
2026-02-13 11:26:47 +02:00

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#!/usr/bin/env bash
# Fix PostgreSQL "collation version mismatch" (e.g. DB created with 2.36, OS provides 2.41).
# Reindexes then refreshes collation version. REINDEX will be canceled if Gitea (or other
# clients) keep using the DB, so either stop Gitea first or use --terminate-connections.
#
# Usage (from host):
# ./fix-postgres-collation-version.sh <postgres_container_name>
# ./fix-postgres-collation-version.sh <postgres_container_name> gitea
# ./fix-postgres-collation-version.sh <postgres_container_name> gitea --terminate-connections
#
# Option: --terminate-connections Terminate all other sessions on the DB so REINDEX can
# run without being canceled. Gitea will disconnect; restart it after.
# REINDEX DATABASE gitea;
# ALTER DATABASE gitea REFRESH COLLATION VERSION;
set -e
CONTAINER="${1:?Usage: $0 <postgres_container_name> [database_name] [--terminate-connections]}"
DB="${2:-gitea}"
TERMINATE=""
if [[ "$2" == "--terminate-connections" ]]; then
TERMINATE=1
DB="gitea"
elif [[ "$3" == "--terminate-connections" ]]; then
TERMINATE=1
fi
if [[ -z "$TERMINATE" ]]; then
echo "Stop the Gitea container (and any other app using database $DB) before continuing,"
echo "otherwise REINDEX may be canceled. Press Enter when ready, or Ctrl+C to abort."
read -r
fi
if [[ -n "$TERMINATE" ]]; then
echo "Terminating other connections to $DB..."
docker exec "$CONTAINER" psql -U postgres -d "$DB" -c "SELECT pg_terminate_backend(pid) FROM pg_stat_activity WHERE datname = '$DB' AND pid <> pg_backend_pid();" || true
sleep 2
fi
echo "Reindexing database $DB (may take a while)..."
docker exec "$CONTAINER" psql -U postgres -d "$DB" -c "REINDEX DATABASE $DB;"
echo "Refreshing collation version..."
docker exec "$CONTAINER" psql -U postgres -d "$DB" -c "ALTER DATABASE $DB REFRESH COLLATION VERSION;"
echo "Done. Start Gitea again if you stopped it or used --terminate-connections."