auto-add-humans

add-me.js

#!/usr/bin/env node
const fs = require('fs');
const exec = require('child_process').exec;
const fileName = 'humans.txt';

function addMeIfNeeded () {
    getGitData('user.email', 'Email', (email) => {
        readFromBuffer(email, (email, data) => {
            if (data.replace(/\W/g,'').search(email.replace(/\W/g,'')) < 0) {
                addMeToHumans();
            };
        });
    });
}

function readFromBuffer (input, callback) {
    fs.readFile(fileName, 'utf8', (error, data) => {
        if (error) throw error;
        callback(input, data);
    });
}

function writeToBuffer (text, callback) {
    fs.appendFile(fileName, text, 'utf8', (error) => {
        if (error) throw error;
    }); 
}

// async
function getLocationData (label, callback) {
	require('http').get({
        host: 'freegeoip.net',
        path: '/json/'
    }, (response) => {
        let body = '', ret;
        response.on('data', (data) => {
            body += data;
        });
        response.on('end', () => {
            let parsed = JSON.parse(body);
            callback([label, [parsed.city, parsed.country_name].join(', ')].join(': '));
        });
    });
};

// async
function getGitData (param, label, callback) {
    exec('git config ' + param, (error, stdout, stderr) => {
        if (error) throw error;
        callback([label, stdout].join(': '));
    });
};

function addMeToHumans () {
    writeToBuffer('\n\n');

    getGitData('user.email', 'Email', writeToBuffer,
        getGitData('user.name', 'Name', writeToBuffer,
            getLocationData('Location', writeToBuffer)
        )
    );
}

addMeIfNeeded();