/*
 * Copyright (c) 2018, Two Sigma Open Source
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * * Redistributions of source code must retain the above copyright notice,
 *   this list of conditions and the following disclaimer.
 *
 * * Redistributions in binary form must reproduce the above copyright notice,
 *   this list of conditions and the following disclaimer in the documentation
 *   and/or other materials provided with the distribution.
 *
 * * Neither the name of git-meta nor the names of its
 *   contributors may be used to endorse or promote products derived from
 *   this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
"use strict";

const assert    = require("chai").assert;
const ChildProcess = require("child-process-promise");
const co        = require("co");
const path      = require("path");
const GitUtil   = require("../util/git_util");
const process   = require("process");

/**
 * Run git-meta hook with given hook name.
 * @async
 * @param {String} name
 * @param {String[]} args
 * @return {String}
 */
exports.execHook = co.wrap(function *(name, args=[]) {
    assert.isString(name);

    const rootDirectory = GitUtil.getRootGitDirectory();
    const hookPath = path.join(rootDirectory, ".git/hooks");
    const absPath = path.resolve(hookPath, name);

    try {
        process.chdir(rootDirectory);
        const result = yield ChildProcess.execFile(absPath, args);
        console.log(result.stdout);
        return result.stdout;
    } catch (e) {
        // ignore the exception
        // Fixme: Need to be sync with git. If the hook is not executable,
        // should give user hints.
    }
});

/*
 * Copyright (c) 2018, Two Sigma Open Source
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * * Redistributions of source code must retain the above copyright notice,
 *   this list of conditions and the following disclaimer.
 *
 * * Redistributions in binary form must reproduce the above copyright notice,
 *   this list of conditions and the following disclaimer in the documentation
 *   and/or other materials provided with the distribution.
 *
 * * Neither the name of git-meta nor the names of its
 *   contributors may be used to endorse or promote products derived from
 *   this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
"use strict";

const assert    = require("chai").assert;
const ChildProcess = require("child-process-promise");
const co        = require("co");
const path      = require("path");
const GitUtil   = require("../util/git_util");
const process   = require("process");

/**
 * Run git-meta hook with given hook name.
 * @async
 * @param {String} name
 * @param {String[]} args
 * @return {String}
 */
exports.execHook = co.wrap(function *(name, args=[]) {
    assert.isString(name);

    const rootDirectory = GitUtil.getRootGitDirectory();
    const hookPath = path.join(rootDirectory, ".git/hooks");
    const absPath = path.resolve(hookPath, name);

    try {
        process.chdir(rootDirectory);
        const result = yield ChildProcess.execFile(absPath, args);
        console.log(result.stdout);
        return result.stdout;
    } catch (e) {
        if (e.code === "EACCES") {
            console.log("EACCES: Cannot execute: " + absPath);
            return e.stderr;
        } else if (e.stdout) {
            console.log(e.stdout);
            return e.stdout;
        }
    }
});

Print output even if hook returns non-zero status, give hint if hook is non-executable