# $NetBSD: spec,v 1.4 2020/03/20 16:39:03 rillig Exp $

tmpdir=${TMPDIR:-/tmp}/pkgsrc-show-all
rm -rf "$tmpdir"
mkdir -p "$tmpdir"

require_file() {
	if diff -u "$3" "$1" > /dev/null; then
		:
	else
		regress_fail "Expected files to be equal."
		diff -u "$3" "$1" || true
	fi
}


do_test() {
	$TEST_MAKE show-all-regress > "$tmpdir/show-all-regress.out"
	$TEST_MAKE show-all-shellvar > "$tmpdir/show-all-shellvar.out"
}

check_result() {
	exit_status 0

	cat <<'EOF' > "$tmpdir/expected"
regress:
  pkg	REGRESS_ENV.undefined   # undefined
  pkg	REGRESS_ENV.empty=      # empty
  pkg	REGRESS_ENV.space=      # empty
  pkg	REGRESS_ENV.value=      \
				*=all \
				VAR1=value1 \
				VAR2=`command \
				backticks` \
				execution \
				via \
				# end of REGRESS_ENV.value (sorted)
  pkg	REGRESS_ARGS.undefined  # undefined
  pkg	REGRESS_ARGS.empty=     # empty
  pkg	REGRESS_ARGS.space=     # empty
  pkg	REGRESS_ARGS.value=     \
				VAR1=value1 \
				VAR2=`command \
				execution \
				via \
				backticks` \
				*=all \
				# end of REGRESS_ARGS.value
  pkg	REGRESS.undefined       # undefined
  pkg	REGRESS.empty=          # empty
  pkg	REGRESS.space=           # ends with space
  pkg	REGRESS.value=          All * kinds of `strange' \escape $$characters
  pkg	*=                      show-all-regress
  pkg	**=                     asterisk

EOF

	# The "*" variable is built-in into bmake and expands to the current
	# make target, which in this case is "show-all-regress".

	# The "**" variable ensures that show-all doesn't accidentally expand
	# filenames.

	# It's a bit strange that bmake doesn't handle the backticks command
	# as a single word. Luckily, this is a rare case.
	#
	# On the other hand, if it did, bmake would also have to handle
	# variable expansion and all the other syntactic difficulties from
	# parsing shell commands, and that would be just too much.

	require_file "$tmpdir/show-all-regress.out" --equals "$tmpdir/expected"


	# Up to 2020-03-20, the output of the ENV and ARGS variables differed
	# a lot from the PLAIN variable.
	#
	cat <<'EOF' > "$tmpdir/expected"
shellvar:
  pkg	SHELLVAR_PLAIN=         "$$var $${var} $$other $$$$"
  pkg	SHELLVAR_ENV=           \
				"$$var $${var} $$other $$$$" \
				# end of SHELLVAR_ENV (sorted)
  pkg	SHELLVAR_ARGS=          \
				"$$var $${var} $$other $$$$" \
				# end of SHELLVAR_ARGS

EOF

	require_file "$tmpdir/show-all-shellvar.out" --equals "$tmpdir/expected"
}