#! /bin/sh
# Generate parallel-tests.am.
#
# Copyright (C) 2009, 2010  Free Software Foundation, Inc.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

# For each test in the TESTS list in this Makefile.am file, that itself
# tests features of the TESTS automake interface, generate a sibling
# test that does likewise, but with the option `parallel-tests' enabled.

set -e

tests=`sed -n '/^TESTS =/,/^$/s/\(.*\.test\).*/\1/p' Makefile.am`
{
  grep -l '^TESTS ' $tests
  grep -l ' TESTS ' $tests
} |
grep -v '.-p\.test' |
LC_ALL=C sort -u |
while read tst; do
  if grep '^[^#]*parallel-tests' $tst >/dev/null \
     || grep "parallel_tests=yes" $tst >/dev/null \
     || grep "parallel_tests=['\"]yes" $tst >/dev/null
  then :; else echo $tst; fi;
done |
sed -e 's/\.test$//' |
{
  echo "## Generated by gen-parallel-tests.  Edit Makefile.am instead of this."
  echo "parallel_tests ="
  # Since `foo-p.test' sources `foo.test', `foo-p.log' also depends on
  # `foo.test'.
  sed -e '
    h
    s/^/parallel_tests += /
    s/$/-p.test/
    p
    x
    s/.*/&-p.log: &.test/
  '
}
