Get total of hours spend in a git repository

time-gitlog

#!/usr/bin/env node

var exec = require('child_process').exec
var child;
var initialHoursBeforeCommit = 0.5

if(process.argv[2] == '--help'){
	console.log(`Usage: time-gitlog [option]

--initial hour          Hours before commit. Default 0.5h.
--help                  Get help information

NOTE: JUST FOR PERSONAL REPOSITORY.
DON'T WORK WITH MORE THAN A USER PER REPOSITORY`)
	process.exit()
}

if(process.argv[2] == '--initial')
	initialHoursBeforeCommit = parseFloat(process.argv[3])

child = exec('git log --pretty=format:"%ct"', function(error, stdout, stderr){
	if(error !== null){
		console.log('ERROR: '+ error)
		process.exit()
	}
	var times = stdout.split('\n')
	var hourSession = 0
	var totalHour = 0
	for(var i = 0; i < (times.length-1); i++){
		var diff = times[i] - times[i+1]
		var hourSpend = diff / (3600)
		if(hourSpend > 2){
			totalHour += hourSession
			hourSession = initialHoursBeforeCommit
		}
		else hourSession += hourSpend
	}
	if(hourSession > initialHoursBeforeCommit)
		totalHour += hourSession
	console.log('You spend ' + totalHour.toFixed(2) + 'h with this repository!')
})