A very crappy git hour calculator. Buggy as hell, but works with before/after flags also

README.md

git-hours

Relies on the git_time_extractor gem, which can be installed with gem install git git_time_extractor.

Example usage...

$ git-hours --after 06/20/2014
Lawrence Jones: 38.8hrs

git-hours

#!/usr/bin/env coffee

_ = require 'underscore'
spawn = (require 'child_process').spawn

options =
  after: null
  before: null

Array::cons = ->
  @[..-2].reduce ((a,c,i) => a.push [c,@[i+1]]; a), []

for pair in process.argv[2..].cons()
  [opt, val] = pair
  if (key = opt.match(/^--(\w+)$/)?[1])? and options.hasOwnProperty key
    options[key] = new Date val

isBetween = (after, before, date) ->
  try date = new Date(date)
  catch err then return false
  !((after? and date < after) or
  (before? and date > before))

csv = ''

git_time = spawn 'git_time_extractor'
git_time.stdout.encoding = 'utf8'
git_time.stdout.on 'data', (data) ->
  csv += data

git_time.on 'exit', (err) ->
  process.exit err if err != 0
  print_times process_csv csv

process_csv = (csv) ->
  [headers, rows...] = (csv.split '\n').map (line) -> line.split ','
  workers = new Object
  sum = rows
    .map (tokens) -> _.object headers, tokens
    .filter (record) ->
      isBetween(options.after, options.before, record.Date) &&
      record.Minutes? &&
      (record.Minutes = parseInt(record.Minutes, 10))
    .map (c) ->
      if c.Person?
        workers[c.Person] = (workers[c.Person] ? 0) + c.Minutes
  return workers

print_times = (workers) ->
  for own person,mins of workers
    console.log """
    #{person}:\t#{Math.floor(mins/6)/10}hrs"""