#!/usr/bin/env bash

set -Eeuo pipefail

SCRIPT_DIR="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)"
# shellcheck source=install_common.sh
source "$SCRIPT_DIR/install_common.sh"

readonly STAGING_DIR="${STAGING_DIR:-$SCRIPT_DIR/tmp}"
readonly POSTGRES_ROOT="${POSTGRES_ROOT:-/app/postgres/rdbms}"
readonly PG_CRON_REPOSITORY="${PG_CRON_REPOSITORY:-citusdata/pg_cron}"

[[ $# -eq 1 ]] || die "Usage: $0 <postgresql-version>"
readonly POSTGRES_VERSION="$1"
validate_postgresql_version "$POSTGRES_VERSION"
require_tools curl tar make
readonly PREFIX="$POSTGRES_ROOT/$POSTGRES_VERSION"
readonly PG_CONFIG="$PREFIX/bin/pg_config"
require_postgresql_installation "$PREFIX"
reset_staging_dir "$STAGING_DIR"

readonly PG_CRON_TAG="${PG_CRON_TAG:-$(latest_tag "$PG_CRON_REPOSITORY")}"
[[ -n "$PG_CRON_TAG" ]] || die "could not determine the latest pg_cron release"
readonly PG_CRON_DIR="$STAGING_DIR/pg_cron-${PG_CRON_TAG#v}"

printf 'Building pg_cron %s\n' "$PG_CRON_TAG"
download_source "$STAGING_DIR" "$PG_CRON_REPOSITORY" "$PG_CRON_TAG" \
  "pg_cron-${PG_CRON_TAG#v}.tar.gz" "$PG_CRON_DIR"
cd "$PG_CRON_DIR"
make -j"${JOBS:-$(nproc)}" PG_CONFIG="$PG_CONFIG"
make install PG_CONFIG="$PG_CONFIG"
test -x "$PREFIX/lib/pg_cron.so"