#!/bin/sh

# Run this script in the top-level source directory to check the
# documentation for compatibility with groff and nroff.

set -e

function one_test () {
	"$@" >/dev/null 2>doctest.err
	if test -s doctest.err; then
		echo "ERROR messages follow:" 2>&1
		cat doctest.err 2>&1
		echo "ERROR while running following command:" 2>&1
		echo "$@" 2>&1
		echo "ERROR messages are preserved in doctest.err"
		exit 1
	fi
}

test -r doc/mc.1.in || { echo "ERROR: cannot read doc/mc.1.in" 2>&1; exit 1; }

# Test the documentation for possible errors.
one_test find doc -name '*.[1-9].in' -exec groff -wall -mandoc -Tps {} \;
one_test find doc -name '*.[1-9].in' -exec groff -wall -mandoc -Tdvi {} \;
one_test find doc -name '*.[1-9].in' -exec nroff -mandoc -Tlatin1 {} \;

# Check the English manuals to be in ASCII.
one_test find doc -maxdepth 1 -name '*.[1-9].in' -exec groff -wall -Tascii {} \;

rm -rf doctest.err
exit 0