#!/usr/bin/env bash
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# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
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#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
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if [[ ! -r "$1" ]]
then
    echo "Expecting sphinx-build executable at '$1' but could not read it" >&2
    exit 1
fi

# We must grab the interpreter directive from the sphinx-build script to discover which python installation should be used to check
# the version.
sphinx_build_PYTHON="$(head -n 1 "$1" | sed 's;^#! *;;')"

if [[ ! -x "$sphinx_build_PYTHON" ]]
then
    echo "sphinx-build found at '$1' needs missing '$sphinx_build_PYTHON'" >&2
    return 1
fi

if [[ ! -r "$2" ]]
then
    echo "Expecting sphinx version check script at '$1' but could not read it" >&2
    exit 1
fi

"$sphinx_build_PYTHON" "$2" --check-version