#!/bin/bash

READLINK="readlink"
if command -v greadlink > /dev/null; then
  READLINK="greadlink" # Prefer greadlink over readlink
fi

if ! $READLINK -f "$(which "$0")" > /dev/null 2>&1 ; then
    ROOT="$(dirname "$(which "$0")")"
    if [ ! -f "$ROOT/hg-fast-export.py" ] ; then
	echo "test runner requires a readlink implementation which knows" \
	     " how to canonicalize paths in order to be called via a symlink."
	exit 1
    fi
else
    ROOT="$(dirname "$($READLINK -f "$(which "$0")")")"
fi


export SHARNESS_TEST_SRCDIR="${SHARNESS_TEST_SRCDIR:-$ROOT/t/sharness}"

TESTS=$(find $ROOT/t -maxdepth 1 -name \*.t -executable -type f)

failed=0
type parallel >& /dev/null
if [ $? -eq 0 ]; then
    echo "Using parallel to run tests"
    function F() {
	echo "Running test $1"
	$1
    }
    export -f F
    parallel F ::: $TESTS || failed=1
else
    for i in $TESTS ; do
	echo "Running test $i"
	$i || failed=1
    done
fi

if [ "$failed" -eq "0" ]; then
    echo "All tests passed";
else
    echo "There were failed tests";
fi

exit $failed