#!/bin/bash
#
# test/mk: tests the makefile of Conjure itself
#
# This tests that the makefile is thorough and actually
# runs all tests scripts and benchmarks when asked to do so.
#
# Copyright (c) 2024 Rudy Matela.
# Distributed under the 3-Clause BSD licence.

set -xe

export LC_ALL=C  # consistent sort
diff="diff --color -rud"

tmp=`mktemp -d /tmp/test-mk-XXXXXXXXXX`
[ -d "$tmp" ] || exit 1

rmhs() { sed -e 's/.hs$//'; }
rmtarget() { sed -e 's/:.*//'; }
flt() {
	rmhs |     # excludes extensions from the result of find
	rmtarget | # exclude Makefile target indicators
	grep -v '^bench/avgs$' | # not an actual benchmark
	grep -v '^.*/[A-Z].*$' # test/benchmark/example scripts begin with lowercase
}

make -s ls-eg ls-test                                   | sort >$tmp/ls-mk
find eg bench proto test -maxdepth 1 -name '*.hs' | flt | sort >$tmp/ls-find
grep -E "^[^/]*/[^.]*:" mk/depend.mk              | flt | sort >$tmp/ls-depend
grep -E "(eg|bench|proto|test)/" .gitignore       | flt | sort >$tmp/ls-gitignore
$diff $tmp/ls-{mk,find}      # compares make variables with actual directory
$diff $tmp/ls-{mk,depend}    # compares make variables with mk/depend.mk
$diff $tmp/ls-{mk,gitignore} # compare make variables with .gitignore
rm -r $tmp