#!/bin/sh

set -e

SRCDIR=$(pwd)

# Make sure to have a writable copy of the source
WORKDIR=$(mktemp -d -t regresscheck.XXXXXX)
cleanup () {
	cp -a $WORKDIR/regression_output $SRCDIR || :
	rm -rf $WORKDIR
}
trap cleanup 0 HUP INT QUIT ILL ABRT PIPE TERM
cp -r $SRCDIR/* $WORKDIR/
cd $WORKDIR

# If executed as root become nobody
if [ $(id -u) -eq 0 ]
then
	chown nobody -R $WORKDIR/
	SU='su nobody -p -c'
else
	SU='bash -c'
fi

FAILED=
# Execute make regresscheck for all the supported versions
for v in $(pg_buildext installed-versions); do
	echo "### $v ###"
	if [ "$v" = "9.4" ]; then continue; fi
	VERSION_PATH="/usr/lib/postgresql/$v/bin:$PATH"
	if ! $SU "PATH=$VERSION_PATH make regresscheck PG_CONFIG=/usr/lib/postgresql/$v/bin/pg_config USE_PGXS=1"; then
		set +e
		cat regression_output/regression.diffs
		for log in regression_output/log/*.log; do
			echo "*** $log ***"
			cat $log
		done
		FAILED=1
	fi
done

if [ -n "$FAILED" ]; then
	exit 1
fi
