#! /bin/sh
# Copyright (C) 2011-2012 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/>.

# Check that the user can override the tar program used by "make dist"
# at runtime, by redefining the `TAR' environment variable.
# FIXME: currently this works only when the tar format used is `v7'
# FIXME: (which is the default one).

. ./defs || Exit 1

cwd=`pwd` || fatal_ "couldn't get current working directory"

echo AC_OUTPUT >> configure.in

cat > am--tar <<'END'
#!/bin/sh
echo $1 > am--tar-has-run
shift
exec tar "$@"
END
chmod a+x am--tar

cat > Makefile.am <<'END'
check-local: dist
	test -f am--tar-has-run
CLEANFILES = am--tar-has-run
END

$ACLOCAL
$AUTOCONF
$AUTOMAKE
./configure

$MAKE dist
test -f $me-1.0.tar.gz
ls | grep has-run && Exit 1

rm -f *.tar.* *has-run*

TAR="$cwd/am--tar foo" $MAKE distcheck
test -f $me-1.0.tar.gz
test "`cat am--tar-has-run`" = foo

rm -f *.tar.* *has-run*

TAR=; unset TAR
# Creative use of eval to pacify maintainer checks.
eval \$'MAKE dist "TAR=./am--tar mu"'
test -f $me-1.0.tar.gz
test "`cat am--tar-has-run`" = mu

: