#!/bin/sh

# Extract server catalog and control file version numbers.
# This information is stored in the packages and used at install time to
# determine if an in-major-version pg_upgradecluster is required.

set -eu

CATVERSION=$(awk '/^#define CATALOG_VERSION_NO/ { print $3 }' src/include/catalog/catversion.h)
CONTROLVERSION=$(awk '/^#define PG_CONTROL_VERSION/ { print $3 }' src/include/catalog/pg_control.h)

case $CONTROLVERSION in
    # control file versions used in PG 9.6 .. 15
    # don't append to catversion to avoid spurious warnings for users of existing packages
    960|1002|1100|1201|1300) echo "$CATVERSION" ;;
    *) echo "$CATVERSION-$CONTROLVERSION" ;;
esac