code-risk-notebook.ipynb

{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Identifying Risk In A Large Codebase"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Cloning into 'mediawiki'...\r\n",
      "remote: Counting objects: 630471, done.\u001b[K\r\n",
      "remote: Compressing objects:   0% (1/191)   \u001b[K\r",
      "remote: Compressing objects:   1% (2/191)   \u001b[K\r",
      "remote: Compressing objects:   2% (4/191)   \u001b[K\r",
      "remote: Compressing objects:   3% (6/191)   \u001b[K\r",
      "remote: Compressing objects:   4% (8/191)   \u001b[K\r",
      "remote: Compressing objects:   5% (10/191)   \u001b[K\r",
      "remote: Compressing objects:   6% (12/191)   \u001b[K\r",
      "remote: Compressing objects:   7% (14/191)   \u001b[K\r",
      "remote: Compressing objects:   8% (16/191)   \u001b[K\r",
      "remote: Compressing objects:   9% (18/191)   \u001b[K\r",
      "remote: Compressing objects:  10% (20/191)   \u001b[K\r",
      "remote: Compressing objects:  11% (22/191)   \u001b[K\r",
      "remote: Compressing objects:  12% (23/191)   \u001b[K\r",
      "remote: Compressing objects:  13% (25/191)   \u001b[K\r",
      "remote: Compressing objects:  14% (27/191)   \u001b[K\r",
      "remote: Compressing objects:  15% (29/191)   \u001b[K\r",
      "remote: Compressing objects:  16% (31/191)   \u001b[K\r",
      "remote: Compressing objects:  17% (33/191)   \u001b[K\r",
      "remote: Compressing objects:  18% (35/191)   \u001b[K\r",
      "remote: Compressing objects:  19% (37/191)   \u001b[K\r",
      "remote: Compressing objects:  20% (39/191)   \u001b[K\r",
      "remote: Compressing objects:  21% (41/191)   \u001b[K\r",
      "remote: Compressing objects:  22% (43/191)   \u001b[K\r",
      "remote: Compressing objects:  23% (44/191)   \u001b[K\r",
      "remote: Compressing objects:  24% (46/191)   \u001b[K\r",
      "remote: Compressing objects:  25% (48/191)   \u001b[K\r",
      "remote: Compressing objects:  26% (50/191)   \u001b[K\r",
      "remote: Compressing objects:  27% (52/191)   \u001b[K\r",
      "remote: Compressing objects:  28% (54/191)   \u001b[K\r",
      "remote: Compressing objects:  29% (56/191)   \u001b[K\r",
      "remote: Compressing objects:  30% (58/191)   \u001b[K\r",
      "remote: Compressing objects:  31% (60/191)   \u001b[K\r",
      "remote: Compressing objects:  32% (62/191)   \u001b[K\r",
      "remote: Compressing objects:  33% (64/191)   \u001b[K\r",
      "remote: Compressing objects:  34% (65/191)   \u001b[K\r",
      "remote: Compressing objects:  35% (67/191)   \u001b[K\r",
      "remote: Compressing objects:  36% (69/191)   \u001b[K\r",
      "remote: Compressing objects:  37% (71/191)   \u001b[K\r",
      "remote: Compressing objects:  38% (73/191)   \u001b[K\r",
      "remote: Compressing objects:  39% (75/191)   \u001b[K\r",
      "remote: Compressing objects:  40% (77/191)   \u001b[K\r",
      "remote: Compressing objects:  41% (79/191)   \u001b[K\r",
      "remote: Compressing objects:  42% (81/191)   \u001b[K\r",
      "remote: Compressing objects:  43% (83/191)   \u001b[K\r",
      "remote: Compressing objects:  44% (85/191)   \u001b[K\r",
      "remote: Compressing objects:  45% (86/191)   \u001b[K\r",
      "remote: Compressing objects:  46% (88/191)   \u001b[K\r",
      "remote: Compressing objects:  47% (90/191)   \u001b[K\r",
      "remote: Compressing objects:  48% (92/191)   \u001b[K\r",
      "remote: Compressing objects:  49% (94/191)   \u001b[K\r",
      "remote: Compressing objects:  50% (96/191)   \u001b[K\r",
      "remote: Compressing objects:  51% (98/191)   \u001b[K\r",
      "remote: Compressing objects:  52% (100/191)   \u001b[K\r",
      "remote: Compressing objects:  53% (102/191)   \u001b[K\r",
      "remote: Compressing objects:  54% (104/191)   \u001b[K\r",
      "remote: Compressing objects:  55% (106/191)   \u001b[K\r",
      "remote: Compressing objects:  56% (107/191)   \u001b[K\r",
      "remote: Compressing objects:  57% (109/191)   \u001b[K\r",
      "remote: Compressing objects:  58% (111/191)   \u001b[K\r",
      "remote: Compressing objects:  59% (113/191)   \u001b[K\r",
      "remote: Compressing objects:  60% (115/191)   \u001b[K\r",
      "remote: Compressing objects:  61% (117/191)   \u001b[K\r",
      "remote: Compressing objects:  62% (119/191)   \u001b[K\r",
      "remote: Compressing objects:  63% (121/191)   \u001b[K\r",
      "remote: Compressing objects:  64% (123/191)   \u001b[K\r",
      "remote: Compressing objects:  65% (125/191)   \u001b[K\r",
      "remote: Compressing objects:  66% (127/191)   \u001b[K\r",
      "remote: Compressing objects:  67% (128/191)   \u001b[K\r",
      "remote: Compressing objects:  68% (130/191)   \u001b[K\r",
      "remote: Compressing objects:  69% (132/191)   \u001b[K\r",
      "remote: Compressing objects:  70% (134/191)   \u001b[K\r",
      "remote: Compressing objects:  71% (136/191)   \u001b[K\r",
      "remote: Compressing objects:  72% (138/191)   \u001b[K\r",
      "remote: Compressing objects:  73% (140/191)   \u001b[K\r",
      "remote: Compressing objects:  74% (142/191)   \u001b[K\r",
      "remote: Compressing objects:  75% (144/191)   \u001b[K\r",
      "remote: Compressing objects:  76% (146/191)   \u001b[K\r",
      "remote: Compressing objects:  77% (148/191)   \u001b[K\r",
      "remote: Compressing objects:  78% (149/191)   \u001b[K\r",
      "remote: Compressing objects:  79% (151/191)   \u001b[K\r",
      "remote: Compressing objects:  80% (153/191)   \u001b[K\r",
      "remote: Compressing objects:  81% (155/191)   \u001b[K\r",
      "remote: Compressing objects:  82% (157/191)   \u001b[K\r",
      "remote: Compressing objects:  83% (159/191)   \u001b[K\r",
      "remote: Compressing objects:  84% (161/191)   \u001b[K\r",
      "remote: Compressing objects:  85% (163/191)   \u001b[K\r",
      "remote: Compressing objects:  86% (165/191)   \u001b[K\r",
      "remote: Compressing objects:  87% (167/191)   \u001b[K\r",
      "remote: Compressing objects:  88% (169/191)   \u001b[K\r",
      "remote: Compressing objects:  89% (170/191)   \u001b[K\r",
      "remote: Compressing objects:  90% (172/191)   \u001b[K\r",
      "remote: Compressing objects:  91% (174/191)   \u001b[K\r",
      "remote: Compressing objects:  92% (176/191)   \u001b[K\r",
      "remote: Compressing objects:  93% (178/191)   \u001b[K\r",
      "remote: Compressing objects:  94% (180/191)   \u001b[K\r",
      "remote: Compressing objects:  95% (182/191)   \u001b[K\r",
      "remote: Compressing objects:  96% (184/191)   \u001b[K\r",
      "remote: Compressing objects:  97% (186/191)   \u001b[K\r",
      "remote: Compressing objects:  98% (188/191)   \u001b[K\r",
      "remote: Compressing objects:  99% (190/191)   \u001b[K\r",
      "remote: Compressing objects: 100% (191/191)   \u001b[K\r",
      "remote: Compressing objects: 100% (191/191), done.\u001b[K\r\n",
      "Receiving objects:   0% (1/630471)   \r",
      "Receiving objects:   1% (6305/630471)   \r",
      "Receiving objects:   2% (12610/630471)   \r",
      "Receiving objects:   3% (18915/630471)   \r",
      "Receiving objects:   4% (25219/630471)   \r",
      "Receiving objects:   5% (31524/630471)   \r",
      "Receiving objects:   6% (37829/630471), 9.92 MiB | 19.83 MiB/s   \r",
      "Receiving objects:   7% (44133/630471), 9.92 MiB | 19.83 MiB/s   \r",
      "Receiving objects:   8% (50438/630471), 9.92 MiB | 19.83 MiB/s   \r",
      "Receiving objects:   9% (56743/630471), 9.92 MiB | 19.83 MiB/s   \r",
      "Receiving objects:  10% (63048/630471), 9.92 MiB | 19.83 MiB/s   \r",
      "Receiving objects:  11% (69352/630471), 9.92 MiB | 19.83 MiB/s   \r",
      "Receiving objects:  12% (75657/630471), 9.92 MiB | 19.83 MiB/s   \r",
      "Receiving objects:  12% (77903/630471), 9.92 MiB | 19.83 MiB/s   \r",
      "Receiving objects:  13% (81962/630471), 19.02 MiB | 19.02 MiB/s   \r",
      "Receiving objects:  13% (88081/630471), 32.33 MiB | 21.55 MiB/s   \r",
      "Receiving objects:  14% (88266/630471), 45.73 MiB | 22.86 MiB/s   \r",
      "Receiving objects:  15% (94571/630471), 45.73 MiB | 22.86 MiB/s   \r",
      "Receiving objects:  15% (100079/630471), 59.84 MiB | 23.93 MiB/s   \r",
      "Receiving objects:  16% (100876/630471), 73.75 MiB | 24.58 MiB/s   \r",
      "Receiving objects:  17% (107181/630471), 87.69 MiB | 25.05 MiB/s   \r",
      "Receiving objects:  17% (110721/630471), 99.81 MiB | 24.95 MiB/s   \r",
      "Receiving objects:  18% (113485/630471), 106.55 MiB | 23.68 MiB/s   \r",
      "Receiving objects:  18% (115439/630471), 106.55 MiB | 23.68 MiB/s   \r",
      "Receiving objects:  19% (119790/630471), 119.90 MiB | 22.42 MiB/s   \r",
      "Receiving objects:  19% (122921/630471), 125.86 MiB | 20.78 MiB/s   \r",
      "Receiving objects:  20% (126095/630471), 132.16 MiB | 19.20 MiB/s   \r",
      "Receiving objects:  20% (129055/630471), 138.69 MiB | 17.50 MiB/s   \r",
      "Receiving objects:  21% (132399/630471), 138.69 MiB | 17.50 MiB/s   \r",
      "Receiving objects:  22% (138704/630471), 145.26 MiB | 15.88 MiB/s   \r",
      "Receiving objects:  22% (139033/630471), 145.26 MiB | 15.88 MiB/s   \r",
      "Receiving objects:  23% (145009/630471), 158.74 MiB | 13.08 MiB/s   \r",
      "Receiving objects:  23% (150626/630471), 158.74 MiB | 13.08 MiB/s   \r",
      "Receiving objects:  24% (151314/630471), 165.58 MiB | 13.10 MiB/s   \r",
      "Receiving objects:  25% (157618/630471), 172.26 MiB | 13.10 MiB/s   \r",
      "Receiving objects:  25% (161160/630471), 172.26 MiB | 13.10 MiB/s   \r",
      "Receiving objects:  26% (163923/630471), 178.56 MiB | 13.00 MiB/s   \r",
      "Receiving objects:  27% (170228/630471), 185.39 MiB | 13.20 MiB/s   \r",
      "Receiving objects:  28% (176532/630471), 185.39 MiB | 13.20 MiB/s   \r",
      "Receiving objects:  28% (179362/630471), 185.39 MiB | 13.20 MiB/s   \r",
      "Receiving objects:  29% (182837/630471), 192.29 MiB | 13.33 MiB/s   \r",
      "Receiving objects:  29% (186156/630471), 199.27 MiB | 13.44 MiB/s   \r",
      "Receiving objects:  30% (189142/630471), 213.29 MiB | 13.62 MiB/s   \r",
      "Receiving objects:  30% (191410/630471), 213.29 MiB | 13.62 MiB/s   \r",
      "Receiving objects:  31% (195447/630471), 220.43 MiB | 13.68 MiB/s   \r",
      "Receiving objects:  32% (201751/630471), 227.74 MiB | 13.79 MiB/s   \r",
      "Receiving objects:  32% (207783/630471), 227.74 MiB | 13.79 MiB/s   \r",
      "Receiving objects:  33% (208056/630471), 235.08 MiB | 13.93 MiB/s   \r",
      "Receiving objects:  34% (214361/630471), 235.08 MiB | 13.93 MiB/s   \r",
      "Receiving objects:  35% (220665/630471), 242.17 MiB | 14.12 MiB/s   \r",
      "Receiving objects:  35% (225103/630471), 242.17 MiB | 14.12 MiB/s   \r",
      "Receiving objects:  36% (226970/630471), 249.30 MiB | 14.19 MiB/s   \r",
      "Receiving objects:  36% (229302/630471), 256.35 MiB | 14.22 MiB/s   \r",
      "Receiving objects:  37% (233275/630471), 262.71 MiB | 14.09 MiB/s   \r",
      "Receiving objects:  37% (235137/630471), 269.54 MiB | 14.06 MiB/s   \r",
      "Receiving objects:  37% (238522/630471), 283.38 MiB | 13.98 MiB/s   \r",
      "Receiving objects:  38% (239579/630471), 289.10 MiB | 13.62 MiB/s   \r",
      "Receiving objects:  38% (241039/630471), 295.11 MiB | 13.32 MiB/s   \r",
      "Receiving objects:  38% (244147/630471), 307.50 MiB | 12.92 MiB/s   \r",
      "Receiving objects:  39% (245884/630471), 320.37 MiB | 12.79 MiB/s   \r",
      "Receiving objects:  39% (246207/630471), 320.37 MiB | 12.79 MiB/s   \r",
      "Receiving objects:  39% (249201/630471), 333.34 MiB | 12.55 MiB/s   \r",
      "Receiving objects:  39% (252006/630471), 346.28 MiB | 12.69 MiB/s   \r",
      "Receiving objects:  40% (252189/630471), 346.28 MiB | 12.69 MiB/s   \r",
      "Receiving objects:  41% (258494/630471), 359.40 MiB | 12.92 MiB/s   \r",
      "Receiving objects:  41% (264455/630471), 359.40 MiB | 12.92 MiB/s   \r",
      "Receiving objects:  42% (264798/630471), 359.40 MiB | 12.92 MiB/s   \r",
      "Receiving objects:  43% (271103/630471), 366.06 MiB | 12.99 MiB/s   \r",
      "Receiving objects:  44% (277408/630471), 372.75 MiB | 13.06 MiB/s   \r",
      "Receiving objects:  44% (281724/630471), 372.75 MiB | 13.06 MiB/s   \r",
      "Receiving objects:  45% (283712/630471), 379.32 MiB | 13.08 MiB/s   \r",
      "Receiving objects:  46% (290017/630471), 386.37 MiB | 13.22 MiB/s   \r",
      "Receiving objects:  46% (291277/630471), 386.37 MiB | 13.22 MiB/s   \r",
      "Receiving objects:  47% (296322/630471), 393.38 MiB | 13.33 MiB/s   \r",
      "Receiving objects:  48% (302627/630471), 400.76 MiB | 13.52 MiB/s   \r",
      "Receiving objects:  49% (308931/630471), 400.76 MiB | 13.52 MiB/s   \r",
      "Receiving objects:  49% (311021/630471), 400.76 MiB | 13.52 MiB/s   \r",
      "Receiving objects:  50% (315236/630471), 408.33 MiB | 13.78 MiB/s   \r",
      "Receiving objects:  51% (321541/630471), 416.36 MiB | 14.13 MiB/s   \r",
      "Receiving objects:  51% (324220/630471), 416.36 MiB | 14.13 MiB/s   \r",
      "Receiving objects:  52% (327845/630471), 424.79 MiB | 14.52 MiB/s   \r",
      "Receiving objects:  53% (334150/630471), 424.79 MiB | 14.52 MiB/s   \r",
      "Receiving objects:  53% (340369/630471), 433.44 MiB | 14.97 MiB/s   \r",
      "Receiving objects:  54% (340455/630471), 433.44 MiB | 14.97 MiB/s   \r",
      "Receiving objects:  55% (346760/630471), 444.46 MiB | 14.46 MiB/s   \r",
      "Receiving objects:  55% (347453/630471), 444.46 MiB | 14.46 MiB/s   \r",
      "Receiving objects:  56% (353064/630471), 449.78 MiB | 14.07 MiB/s   \r",
      "Receiving objects:  57% (359369/630471), 449.78 MiB | 14.07 MiB/s   \r",
      "Receiving objects:  58% (365674/630471), 449.78 MiB | 14.07 MiB/s   \r",
      "Receiving objects:  59% (371978/630471), 455.20 MiB | 13.72 MiB/s   \r",
      "Receiving objects:  60% (378283/630471), 455.20 MiB | 13.72 MiB/s   \r",
      "Receiving objects:  61% (384588/630471), 455.20 MiB | 13.72 MiB/s   \r",
      "Receiving objects:  62% (390893/630471), 455.20 MiB | 13.72 MiB/s   \r",
      "Receiving objects:  62% (391752/630471), 455.20 MiB | 13.72 MiB/s   \r",
      "Receiving objects:  63% (397197/630471), 460.86 MiB | 13.33 MiB/s   \r",
      "Receiving objects:  64% (403502/630471), 460.86 MiB | 13.33 MiB/s   \r",
      "Receiving objects:  65% (409807/630471), 460.86 MiB | 13.33 MiB/s   \r",
      "Receiving objects:  66% (416111/630471), 460.86 MiB | 13.33 MiB/s   \r",
      "Receiving objects:  67% (422416/630471), 460.86 MiB | 13.33 MiB/s   \r",
      "Receiving objects:  68% (428721/630471), 460.86 MiB | 13.33 MiB/s   \r",
      "Receiving objects:  69% (435025/630471), 466.56 MiB | 12.91 MiB/s   \r",
      "Receiving objects:  70% (441330/630471), 466.56 MiB | 12.91 MiB/s   \r",
      "Receiving objects:  71% (447635/630471), 466.56 MiB | 12.91 MiB/s   \r",
      "Receiving objects:  72% (453940/630471), 466.56 MiB | 12.91 MiB/s   \r",
      "Receiving objects:  73% (460244/630471), 466.56 MiB | 12.91 MiB/s   \r",
      "Receiving objects:  74% (466549/630471), 466.56 MiB | 12.91 MiB/s   \r",
      "Receiving objects:  75% (472854/630471), 466.56 MiB | 12.91 MiB/s   \r",
      "Receiving objects:  76% (479158/630471), 466.56 MiB | 12.91 MiB/s   \r",
      "Receiving objects:  76% (481786/630471), 472.31 MiB | 12.41 MiB/s   \r",
      "Receiving objects:  77% (485463/630471), 472.31 MiB | 12.41 MiB/s   \r",
      "Receiving objects:  78% (491768/630471), 472.31 MiB | 12.41 MiB/s   \r",
      "Receiving objects:  79% (498073/630471), 478.11 MiB | 11.82 MiB/s   \r",
      "Receiving objects:  80% (504377/630471), 478.11 MiB | 11.82 MiB/s   \r",
      "Receiving objects:  81% (510682/630471), 478.11 MiB | 11.82 MiB/s   \r",
      "Receiving objects:  82% (516987/630471), 478.11 MiB | 11.82 MiB/s   \r",
      "Receiving objects:  82% (520579/630471), 478.11 MiB | 11.82 MiB/s   \r",
      "Receiving objects:  83% (523291/630471), 478.11 MiB | 11.82 MiB/s   \r",
      "Receiving objects:  84% (529596/630471), 483.85 MiB | 11.18 MiB/s   \r",
      "Receiving objects:  85% (535901/630471), 483.85 MiB | 11.18 MiB/s   \r",
      "Receiving objects:  86% (542206/630471), 483.85 MiB | 11.18 MiB/s   \r",
      "Receiving objects:  87% (548510/630471), 483.85 MiB | 11.18 MiB/s   \r",
      "Receiving objects:  88% (554815/630471), 483.85 MiB | 11.18 MiB/s   \r",
      "Receiving objects:  89% (561120/630471), 483.85 MiB | 11.18 MiB/s   \r",
      "Receiving objects:  90% (567424/630471), 483.85 MiB | 11.18 MiB/s   \r",
      "Receiving objects:  91% (573729/630471), 489.64 MiB | 11.16 MiB/s   \r",
      "Receiving objects:  92% (580034/630471), 489.64 MiB | 11.16 MiB/s   \r",
      "Receiving objects:  93% (586339/630471), 489.64 MiB | 11.16 MiB/s   \r",
      "Receiving objects:  94% (592643/630471), 489.64 MiB | 11.16 MiB/s   \r",
      "Receiving objects:  95% (598948/630471), 489.64 MiB | 11.16 MiB/s   \r",
      "Receiving objects:  96% (605253/630471), 489.64 MiB | 11.16 MiB/s   \r",
      "Receiving objects:  97% (611557/630471), 489.64 MiB | 11.16 MiB/s   \r",
      "Receiving objects:  98% (617862/630471), 489.64 MiB | 11.16 MiB/s   \r",
      "Receiving objects:  98% (619207/630471), 489.64 MiB | 11.16 MiB/s   \r",
      "Receiving objects:  99% (624167/630471), 489.64 MiB | 11.16 MiB/s   \r",
      "remote: Total 630471 (delta 110), reused 0 (delta 0), pack-reused 630279\u001b[K\r\n",
      "Receiving objects: 100% (630471/630471), 495.39 MiB | 11.30 MiB/s   \r",
      "Receiving objects: 100% (630471/630471), 496.69 MiB | 11.39 MiB/s, done.\r\n",
      "Resolving deltas:   0% (0/524015)   \r",
      "Resolving deltas:   1% (5283/524015)   \r",
      "Resolving deltas:   2% (10541/524015)   \r",
      "Resolving deltas:   2% (12165/524015)   \r",
      "Resolving deltas:   3% (15792/524015)   \r",
      "Resolving deltas:   4% (20966/524015)   \r",
      "Resolving deltas:   5% (26333/524015)   \r",
      "Resolving deltas:   6% (31623/524015)   \r",
      "Resolving deltas:   7% (36695/524015)   \r",
      "Resolving deltas:   8% (41939/524015)   \r",
      "Resolving deltas:   8% (42568/524015)   \r",
      "Resolving deltas:   9% (47224/524015)   \r",
      "Resolving deltas:   9% (48529/524015)   \r",
      "Resolving deltas:   9% (52048/524015)   \r",
      "Resolving deltas:  10% (52418/524015)   \r",
      "Resolving deltas:  10% (55551/524015)   \r",
      "Resolving deltas:  11% (57679/524015)   \r",
      "Resolving deltas:  11% (60423/524015)   \r",
      "Resolving deltas:  12% (63497/524015)   \r",
      "Resolving deltas:  12% (66362/524015)   \r",
      "Resolving deltas:  13% (68386/524015)   \r",
      "Resolving deltas:  13% (71676/524015)   \r",
      "Resolving deltas:  14% (73378/524015)   \r",
      "Resolving deltas:  14% (77650/524015)   \r",
      "Resolving deltas:  15% (78700/524015)   \r",
      "Resolving deltas:  16% (83876/524015)   \r",
      "Resolving deltas:  17% (89109/524015)   \r",
      "Resolving deltas:  18% (94338/524015)   \r",
      "Resolving deltas:  18% (94670/524015)   \r",
      "Resolving deltas:  19% (99769/524015)   \r",
      "Resolving deltas:  19% (103684/524015)   \r",
      "Resolving deltas:  20% (104998/524015)   \r",
      "Resolving deltas:  21% (110058/524015)   \r",
      "Resolving deltas:  22% (115397/524015)   \r",
      "Resolving deltas:  22% (118299/524015)   \r",
      "Resolving deltas:  23% (120743/524015)   \r",
      "Resolving deltas:  23% (121946/524015)   \r",
      "Resolving deltas:  24% (126133/524015)   \r",
      "Resolving deltas:  25% (131094/524015)   \r",
      "Resolving deltas:  25% (132974/524015)   \r",
      "Resolving deltas:  26% (136327/524015)   \r",
      "Resolving deltas:  27% (141678/524015)   \r",
      "Resolving deltas:  27% (144187/524015)   \r",
      "Resolving deltas:  28% (147201/524015)   \r",
      "Resolving deltas:  28% (150888/524015)   \r",
      "Resolving deltas:  29% (151991/524015)   \r",
      "Resolving deltas:  30% (157454/524015)   \r",
      "Resolving deltas:  31% (162476/524015)   \r",
      "Resolving deltas:  31% (164538/524015)   \r",
      "Resolving deltas:  32% (167905/524015)   \r",
      "Resolving deltas:  32% (172691/524015)   \r",
      "Resolving deltas:  33% (173081/524015)   \r",
      "Resolving deltas:  34% (178635/524015)   \r",
      "Resolving deltas:  34% (179057/524015)   \r",
      "Resolving deltas:  35% (183571/524015)   \r",
      "Resolving deltas:  35% (184769/524015)   \r",
      "Resolving deltas:  36% (188774/524015)   \r",
      "Resolving deltas:  36% (190240/524015)   \r",
      "Resolving deltas:  37% (194220/524015)   \r",
      "Resolving deltas:  37% (195184/524015)   \r",
      "Resolving deltas:  38% (200291/524015)   \r",
      "Resolving deltas:  39% (204808/524015)   \r",
      "Resolving deltas:  39% (206677/524015)   \r",
      "Resolving deltas:  40% (209638/524015)   \r",
      "Resolving deltas:  41% (214850/524015)   \r",
      "Resolving deltas:  42% (220302/524015)   \r",
      "Resolving deltas:  43% (225478/524015)   \r",
      "Resolving deltas:  44% (230642/524015)   \r",
      "Resolving deltas:  44% (231993/524015)   \r",
      "Resolving deltas:  45% (235818/524015)   \r",
      "Resolving deltas:  46% (241188/524015)   \r",
      "Resolving deltas:  46% (244256/524015)   \r",
      "Resolving deltas:  47% (246305/524015)   \r",
      "Resolving deltas:  48% (251545/524015)   \r",
      "Resolving deltas:  49% (256776/524015)   \r",
      "Resolving deltas:  50% (262062/524015)   \r",
      "Resolving deltas:  50% (264858/524015)   \r",
      "Resolving deltas:  51% (267391/524015)   \r",
      "Resolving deltas:  51% (270886/524015)   \r",
      "Resolving deltas:  52% (272639/524015)   \r",
      "Resolving deltas:  53% (277728/524015)   \r",
      "Resolving deltas:  53% (278648/524015)   \r",
      "Resolving deltas:  54% (283424/524015)   \r",
      "Resolving deltas:  54% (285894/524015)   \r",
      "Resolving deltas:  55% (288231/524015)   \r",
      "Resolving deltas:  55% (292522/524015)   \r",
      "Resolving deltas:  56% (293517/524015)   \r",
      "Resolving deltas:  57% (298734/524015)   \r",
      "Resolving deltas:  58% (303959/524015)   \r",
      "Resolving deltas:  59% (309489/524015)   \r",
      "Resolving deltas:  60% (314411/524015)   \r",
      "Resolving deltas:  60% (316905/524015)   \r",
      "Resolving deltas:  61% (320016/524015)   \r",
      "Resolving deltas:  62% (325012/524015)   \r",
      "Resolving deltas:  62% (329379/524015)   \r",
      "Resolving deltas:  63% (330280/524015)   \r",
      "Resolving deltas:  64% (335376/524015)   \r",
      "Resolving deltas:  64% (336148/524015)   \r",
      "Resolving deltas:  65% (341047/524015)   \r",
      "Resolving deltas:  66% (346586/524015)   \r",
      "Resolving deltas:  67% (351141/524015)   \r",
      "Resolving deltas:  68% (356492/524015)   \r",
      "Resolving deltas:  69% (361574/524015)   \r",
      "Resolving deltas:  69% (362024/524015)   \r",
      "Resolving deltas:  69% (365241/524015)   \r",
      "Resolving deltas:  70% (367226/524015)   \r",
      "Resolving deltas:  70% (368259/524015)   \r",
      "Resolving deltas:  71% (372051/524015)   \r",
      "Resolving deltas:  72% (377295/524015)   \r",
      "Resolving deltas:  73% (382641/524015)   \r",
      "Resolving deltas:  73% (384617/524015)   \r",
      "Resolving deltas:  74% (387785/524015)   \r",
      "Resolving deltas:  75% (393015/524015)   \r",
      "Resolving deltas:  76% (398253/524015)   \r",
      "Resolving deltas:  77% (403494/524015)   \r",
      "Resolving deltas:  78% (408786/524015)   \r",
      "Resolving deltas:  78% (408931/524015)   \r",
      "Resolving deltas:  79% (414013/524015)   \r",
      "Resolving deltas:  79% (416389/524015)   \r",
      "Resolving deltas:  80% (420119/524015)   \r",
      "Resolving deltas:  81% (424503/524015)   \r",
      "Resolving deltas:  82% (429722/524015)   \r",
      "Resolving deltas:  83% (435085/524015)   \r",
      "Resolving deltas:  84% (440195/524015)   \r",
      "Resolving deltas:  84% (442966/524015)   \r",
      "Resolving deltas:  85% (445516/524015)   \r",
      "Resolving deltas:  86% (450693/524015)   \r",
      "Resolving deltas:  87% (456167/524015)   \r",
      "Resolving deltas:  88% (461148/524015)   \r",
      "Resolving deltas:  89% (466430/524015)   \r",
      "Resolving deltas:  90% (471620/524015)   \r",
      "Resolving deltas:  91% (477211/524015)   \r",
      "Resolving deltas:  92% (482163/524015)   \r",
      "Resolving deltas:  92% (485280/524015)   \r",
      "Resolving deltas:  93% (487450/524015)   \r",
      "Resolving deltas:  94% (492816/524015)   \r",
      "Resolving deltas:  95% (497950/524015)   \r",
      "Resolving deltas:  96% (503066/524015)   \r",
      "Resolving deltas:  97% (508485/524015)   \r",
      "Resolving deltas:  98% (514113/524015)   \r",
      "Resolving deltas:  99% (518817/524015)   \r",
      "Resolving deltas: 100% (524015/524015)   \r",
      "Resolving deltas: 100% (524015/524015), done.\r\n",
      "Checking connectivity... done.\r\n",
      "Checking out files:  30% (1918/6315)   \r",
      "Checking out files:  31% (1958/6315)   \r",
      "Checking out files:  32% (2021/6315)   \r",
      "Checking out files:  33% (2084/6315)   \r",
      "Checking out files:  34% (2148/6315)   \r",
      "Checking out files:  35% (2211/6315)   \r",
      "Checking out files:  36% (2274/6315)   \r",
      "Checking out files:  37% (2337/6315)   \r",
      "Checking out files:  38% (2400/6315)   \r",
      "Checking out files:  39% (2463/6315)   \r",
      "Checking out files:  40% (2526/6315)   \r",
      "Checking out files:  41% (2590/6315)   \r",
      "Checking out files:  42% (2653/6315)   \r",
      "Checking out files:  43% (2716/6315)   \r",
      "Checking out files:  44% (2779/6315)   \r",
      "Checking out files:  45% (2842/6315)   \r",
      "Checking out files:  46% (2905/6315)   \r",
      "Checking out files:  47% (2969/6315)   \r",
      "Checking out files:  48% (3032/6315)   \r",
      "Checking out files:  49% (3095/6315)   \r",
      "Checking out files:  50% (3158/6315)   \r",
      "Checking out files:  51% (3221/6315)   \r",
      "Checking out files:  52% (3284/6315)   \r",
      "Checking out files:  53% (3347/6315)   \r",
      "Checking out files:  54% (3411/6315)   \r",
      "Checking out files:  55% (3474/6315)   \r",
      "Checking out files:  56% (3537/6315)   \r",
      "Checking out files:  57% (3600/6315)   \r",
      "Checking out files:  58% (3663/6315)   \r",
      "Checking out files:  59% (3726/6315)   \r",
      "Checking out files:  60% (3789/6315)   \r",
      "Checking out files:  61% (3853/6315)   \r",
      "Checking out files:  62% (3916/6315)   \r",
      "Checking out files:  63% (3979/6315)   \r",
      "Checking out files:  64% (4042/6315)   \r",
      "Checking out files:  65% (4105/6315)   \r",
      "Checking out files:  66% (4168/6315)   \r",
      "Checking out files:  67% (4232/6315)   \r",
      "Checking out files:  68% (4295/6315)   \r",
      "Checking out files:  69% (4358/6315)   \r",
      "Checking out files:  70% (4421/6315)   \r",
      "Checking out files:  71% (4484/6315)   \r",
      "Checking out files:  72% (4547/6315)   \r",
      "Checking out files:  73% (4610/6315)   \r",
      "Checking out files:  74% (4674/6315)   \r",
      "Checking out files:  75% (4737/6315)   \r",
      "Checking out files:  75% (4797/6315)   \r",
      "Checking out files:  76% (4800/6315)   \r",
      "Checking out files:  77% (4863/6315)   \r",
      "Checking out files:  78% (4926/6315)   \r",
      "Checking out files:  79% (4989/6315)   \r",
      "Checking out files:  80% (5052/6315)   \r",
      "Checking out files:  81% (5116/6315)   \r",
      "Checking out files:  82% (5179/6315)   \r",
      "Checking out files:  83% (5242/6315)   \r",
      "Checking out files:  84% (5305/6315)   \r",
      "Checking out files:  85% (5368/6315)   \r",
      "Checking out files:  86% (5431/6315)   \r",
      "Checking out files:  87% (5495/6315)   \r",
      "Checking out files:  88% (5558/6315)   \r",
      "Checking out files:  89% (5621/6315)   \r",
      "Checking out files:  90% (5684/6315)   \r",
      "Checking out files:  91% (5747/6315)   \r",
      "Checking out files:  92% (5810/6315)   \r",
      "Checking out files:  93% (5873/6315)   \r",
      "Checking out files:  94% (5937/6315)   \r",
      "Checking out files:  95% (6000/6315)   \r",
      "Checking out files:  96% (6063/6315)   \r",
      "Checking out files:  97% (6126/6315)   \r",
      "Checking out files:  98% (6189/6315)   \r",
      "Checking out files:  99% (6252/6315)   \r",
      "Checking out files: 100% (6315/6315)   \r",
      "Checking out files: 100% (6315/6315), done.\r\n"
     ]
    }
   ],
   "source": [
    "# Check out a FOSS git repo to use as an example:\n",
    "\n",
    "cd /tmp/\n",
    "\n",
    "git clone https://github.com/wikimedia/mediawiki.git"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## `gource` Provides a 1000-foot view of developer activity in SCM\n",
    "\n",
    "Install instructions here: [gource.io](http://gource.io/)\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": []
    }
   ],
   "source": [
    "gource /tmp/mediawiki"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## `cloc` Helps Answer The Question: Just How Large _Is_ This Codebase?\n",
    "\n",
    "You can install `cloc` with any package manager (eg homebrew, yum, apt, cygwin)."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {
    "collapsed": false,
    "scrolled": true
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "     100 files\r",
      "     200 files\r",
      "     300 files\r",
      "     400 files\r",
      "     500 files\r",
      "     600 files\r",
      "     700 files\r",
      "     800 files\r",
      "     900 files\r",
      "    1000 files\r",
      "    1100 files\r",
      "    1200 files\r",
      "    1300 files\r",
      "    1400 files\r",
      "    1500 files\r",
      "    1600 files\r",
      "    1700 files\r",
      "    1800 files\r",
      "    1900 files\r",
      "    2000 files\r",
      "    2100 files\r",
      "    2200 files\r",
      "    2300 files\r",
      "    2400 files\r",
      "    2500 files\r",
      "    2600 files\r",
      "    2700 files\r",
      "    2800 files\r",
      "    2900 files\r",
      "    3000 files\r",
      "    3100 files\r",
      "    3200 files\r",
      "    3300 files\r",
      "    3400 files\r",
      "    3500 files\r",
      "    3600 files\r",
      "    3700 files\r",
      "    3800 files\r",
      "    3900 files\r",
      "    4000 files\r",
      "    4100 files\r",
      "    4200 files\r",
      "    4300 files\r",
      "    4400 files\r",
      "    4500 files\r",
      "    4600 files\r",
      "    4700 files\r",
      "    4800 files\r",
      "    4900 files\r",
      "    5000 files\r",
      "    5100 files\r",
      "    5200 files\r",
      "    5264 text files.\r\n",
      "classified 5234 files\r",
      "Duplicate file check 5234 files (3640 known unique)\r",
      "Unique:      100 files                                          \r",
      "Unique:      200 files                                          \r",
      "Unique:      300 files                                          \r",
      "Unique:      400 files                                          \r",
      "Unique:      500 files                                          \r",
      "Unique:      600 files                                          \r",
      "Unique:      700 files                                          \r",
      "Unique:      800 files                                          \r",
      "Unique:      900 files                                          \r",
      "Unique:     1000 files                                          \r",
      "Unique:     1100 files                                          \r",
      "Unique:     1200 files                                          \r",
      "Unique:     1300 files                                          \r",
      "Unique:     1400 files                                          \r",
      "Unique:     1500 files                                          \r",
      "Unique:     1600 files                                          \r",
      "Unique:     1700 files                                          \r",
      "Unique:     1800 files                                          \r",
      "Unique:     1900 files                                          \r",
      "Unique:     2000 files                                          \r",
      "Unique:     2100 files                                          \r",
      "Unique:     2200 files                                          \r",
      "Unique:     2300 files                                          \r",
      "Unique:     2400 files                                          \r",
      "Unique:     2500 files                                          \r",
      "Unique:     2600 files                                          \r",
      "Unique:     2700 files                                          \r",
      "Unique:     2800 files                                          \r",
      "Unique:     2900 files                                          \r",
      "Unique:     3000 files                                          \r",
      "Unique:     3100 files                                          \r",
      "Unique:     3200 files                                          \r",
      "Unique:     3300 files                                          \r",
      "Unique:     3400 files                                          \r",
      "Unique:     3500 files                                          \r",
      "Unique:     3600 files                                          \r",
      "    5033 unique files.                              \r\n",
      "Counting:  100\r",
      "Counting:  200\r",
      "Counting:  300\r",
      "Counting:  400\r",
      "Counting:  500\r",
      "Counting:  600\r",
      "Counting:  700\r",
      "Counting:  800\r",
      "Counting:  900\r",
      "Counting:  1000\r",
      "Counting:  1100\r",
      "Counting:  1200\r",
      "Counting:  1300\r",
      "Counting:  1400\r",
      "Counting:  1500\r",
      "Counting:  1600\r",
      "Counting:  1700\r",
      "Counting:  1800\r",
      "Counting:  1900\r",
      "Counting:  2000\r",
      "Counting:  2100\r",
      "Counting:  2200\r",
      "Counting:  2300\r",
      "Counting:  2400\r",
      "Counting:  2500\r",
      "Counting:  2600\r",
      "Counting:  2700\r",
      "Counting:  2800\r",
      "Counting:  2900\r",
      "Counting:  3000\r",
      "Counting:  3100\r",
      "Counting:  3200\r",
      "Counting:  3300\r",
      "Counting:  3400\r",
      "Counting:  3500\r",
      "Counting:  3600\r",
      "Counting:  3700\r",
      "Counting:  3800\r",
      "Counting:  3900\r",
      "Counting:  4000\r",
      "Counting:  4100\r",
      "Counting:  4200\r",
      "Counting:  4300\r",
      "Counting:  4400\r",
      "Counting:  4500\r",
      "Counting:  4600\r",
      "Counting:  4700\r",
      "Counting:  4800\r",
      "Counting:  4900\r",
      "Counting:  5000\r",
      "    1074 files ignored.\r\n",
      "\r\n",
      "http://cloc.sourceforge.net v 1.64  T=23.35 s (179.5 files/s, 61317.9 lines/s)\r\n",
      "--------------------------------------------------------------------------------\r\n",
      "Language                      files          blank        comment           code\r\n",
      "--------------------------------------------------------------------------------\r\n",
      "JSON                            922            121              0         678918\r\n",
      "PHP                            2216          59002         165462         364000\r\n",
      "Javascript                      462          14692          29900          81743\r\n",
      "CSS                             101            802            973          10810\r\n",
      "SQL                             353           1571           2231           8322\r\n",
      "LESS                             37            452            639           2063\r\n",
      "Pascal                           11            437           1499           1545\r\n",
      "XSD                              11            362            414           1430\r\n",
      "Perl                              2            145             86            777\r\n",
      "HTML                             12             63              5            658\r\n",
      "XML                               7             42             50            502\r\n",
      "Ruby                             26            112             11            497\r\n",
      "Python                            1             69             38            345\r\n",
      "Bourne Shell                     10             66             52            286\r\n",
      "make                              5             30             20            112\r\n",
      "YAML                              4             20             31             84\r\n",
      "Mustache                          7              2              0             70\r\n",
      "Bourne Again Shell                2              2              0             16\r\n",
      "Handlebars                        1              0              0              1\r\n",
      "DOS Batch                         1              0              0              1\r\n",
      "--------------------------------------------------------------------------------\r\n",
      "SUM:                           4191          77990         201411        1152180\r\n",
      "--------------------------------------------------------------------------------\r\n"
     ]
    }
   ],
   "source": [
    "cloc ."
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### What kind of language is used to describe the codebase?"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 42,
   "metadata": {
    "collapsed": false,
    "scrolled": true
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "\r\n",
      "/tmp/mediawiki (branch master at revision e626da0)\r\n",
      "\r\n",
      "Interesting words found in the codebase:\r\n",
      "\r\n",
      "   5368 bug\r\n",
      "    588 debug\r\n",
      "    236 complexType\r\n",
      "    217 Bug\r\n",
      "    168 bugs\r\n",
      "    122 bugnew\r\n",
      "    118 bugornote\r\n",
      "    116 bugcheck\r\n",
      "    106 hack\r\n",
      "     80 complex\r\n",
      "     79 dirty\r\n",
      "     62 debugging\r\n",
      "     42 DEBUG\r\n",
      "     30 Hack\r\n",
      "     29 HACK\r\n",
      "     27 ComplexTitleInputWidget\r\n",
      "     26 BUG\r\n",
      "     24 confusion\r\n",
      "     24 bugzilla\r\n",
      "     21 confusing\r\n",
      "     20 bugfix\r\n",
      "     19 ComplexNamespaceInputWidget\r\n",
      "     18 Debug\r\n",
      "     17 buggy\r\n",
      "     15 debugLog\r\n",
      "     14 hacks\r\n",
      "     14 Dumber\r\n",
      "     13 stupid\r\n",
      "     13 Bugzilla\r\n",
      "     12 debugLogFile\r\n",
      "     11 debug_backtrace\r\n",
      "     11 confused\r\n",
      "     10 hacky\r\n",
      "     10 complicated\r\n",
      "      9 dumb\r\n",
      "      9 debugprint\r\n",
      "      9 debugScripts\r\n",
      "      9 confuse\r\n",
      "      8 debugMode\r\n",
      "      8 bug29408File\r\n",
      "      7 screwed\r\n",
      "      7 bugfixes\r\n",
      "      7 WTF\r\n",
      "      7 Hacky\r\n",
      "      6 dumber\r\n",
      "      6 debughtml\r\n",
      "      6 debugCallback\r\n",
      "      6 Bugs\r\n",
      "      6 Bugreportspage\r\n",
      "      6 Bugreports\r\n",
      "      5 insane\r\n",
      "      5 hacked\r\n",
      "      5 debugmsg\r\n",
      "      5 debugOutFile\r\n",
      "      5 complexity\r\n",
      "      5 complexMDYDates\r\n",
      "      5 buggaddu\r\n",
      "      5 bugg\r\n",
      "      5 Bug462\r\n",
      "      5 Bug31490\r\n",
      "      4 screw\r\n",
      "      4 insanlar\r\n",
      "      4 insanely\r\n",
      "      4 debugRaw\r\n",
      "      4 debugGroup\r\n",
      "      4 complexe\r\n",
      "      4 buggadda\r\n",
      "      4 bug66650\r\n",
      "      4 bug66021\r\n",
      "      4 Dumb\r\n",
      "      4 DEBUGGER\r\n",
      "      4 Complex\r\n",
      "      3 wtf\r\n",
      "      3 screws\r\n",
      "      3 screwing\r\n",
      "      3 hackDocType\r\n",
      "      3 debugMessage\r\n",
      "      3 debugFile\r\n",
      "      3 debugComment\r\n",
      "      3 confusiones\r\n",
      "      3 confuses\r\n",
      "      3 complextemplate\r\n",
      "      3 complexVersionProvider\r\n",
      "      3 complexURL\r\n",
      "      3 bugsTaskSubmissionLink\r\n",
      "      3 buga\r\n",
      "      3 bug_29107\r\n",
      "      3 DebugAPI\r\n",
      "      3 Confusingly\r\n",
      "      2 kludge\r\n",
      "      2 insani\r\n",
      "      2 hackish\r\n",
      "      2 dirto\r\n",
      "      2 debuggers\r\n",
      "      2 debugger\r\n",
      "      2 debugOutFileName\r\n",
      "      2 debugInternal\r\n",
      "      2 damno\r\n",
      "      2 confusions\r\n",
      "      2 confus\r\n",
      "      2 complexes\r\n",
      "      2 complexMDYSorted\r\n",
      "      2 bugsTaskListLink\r\n",
      "      2 buggere\r\n",
      "      2 bugger\r\n",
      "      2 bugawa\r\n",
      "      2 bugReportLink\r\n",
      "      2 bug2\r\n",
      "      2 Kludge\r\n",
      "      2 KLUGE\r\n",
      "      2 Insan\r\n",
      "      2 Hacker\r\n",
      "      2 Dirtin\r\n",
      "      2 Debugging\r\n",
      "      2 DebugRedirects\r\n",
      "      2 Confusion\r\n",
      "      2 Bugoslav\r\n",
      "      2 Bugfixes\r\n",
      "      2 Bug_reports\r\n",
      "      2 Bug32057\r\n",
      "      1 stupidly\r\n",
      "      1 shite\r\n",
      "      1 screwy\r\n",
      "      1 kluge\r\n",
      "      1 insan\r\n",
      "      1 hackers\r\n",
      "      1 fucks\r\n",
      "      1 debugged\r\n",
      "      1 debugelementen\r\n",
      "      1 debugRevisionHandler\r\n",
      "      1 confusu\r\n",
      "      1 confuso\r\n",
      "      1 confusionem\r\n",
      "      1 confusione\r\n",
      "      1 confusibilis\r\n",
      "      1 confusibiles\r\n",
      "      1 confusi\r\n",
      "      1 complexas\r\n",
      "      1 bugto\r\n",
      "      1 bugsec\r\n",
      "      1 bugs_2\r\n",
      "      1 bugsListLink\r\n",
      "      1 bugsLink\r\n",
      "      1 bugraskaxo\r\n",
      "      1 bugluyasiki\r\n",
      "      1 buglist\r\n",
      "      1 bugili\r\n",
      "      1 bugi\r\n",
      "      1 bughi\r\n",
      "      1 buggyan\r\n",
      "      1 buggily\r\n",
      "      1 buggigt\r\n",
      "      1 buggiga\r\n",
      "      1 buggie\r\n",
      "      1 buggar\r\n",
      "      1 bug41990_r\r\n",
      "      1 bug41990_\r\n",
      "      1 bug41990\r\n",
      "      1 WTFPL\r\n",
      "      1 Stupid\r\n",
      "      1 Screw\r\n",
      "      1 SHITJES\r\n",
      "      1 Hacking\r\n",
      "      1 Hacked\r\n",
      "      1 Hackaround\r\n",
      "      1 Dumbu\r\n",
      "      1 Debugtext\r\n",
      "      1 Confusing\r\n",
      "      1 Complicated\r\n",
      "      1 Complextemplate\r\n",
      "      1 Complexity\r\n",
      "      1 Bugtakan\r\n",
      "      1 Bugraskara\r\n",
      "      1 Bugrablera\r\n",
      "      1 Buginese\r\n",
      "      1 Bugger\r\n",
      "      1 Buggar\r\n",
      "      1 Buggaddu\r\n",
      "      1 BugSec\r\n",
      "      1 BugId\r\n",
      "      1 Bug58676\r\n",
      "      1 Bug56269\r\n",
      "      1 Bug1\r\n",
      "      1 BUGLIST\r\n",
      "\r\n",
      "Interesting words in the Git log:\r\n",
      "\r\n",
      "   7809 bug\r\n",
      "    694 Bug\r\n",
      "    308 debug\r\n",
      "    216 hack\r\n",
      "    179 bugs\r\n",
      "    159 debugging\r\n",
      "    109 BUG\r\n",
      "     73 confusing\r\n",
      "     59 hacks\r\n",
      "     54 stupid\r\n",
      "     49 bugzilla\r\n",
      "     30 confusion\r\n",
      "     27 bugfix\r\n",
      "     26 confused\r\n",
      "     21 complex\r\n",
      "     17 buggy\r\n",
      "     15 Hack\r\n",
      "     13 insane\r\n",
      "     13 Debug\r\n",
      "     12 dirty\r\n",
      "     11 complicated\r\n",
      "     11 Bugzilla\r\n",
      "     10 damn\r\n",
      "     10 confuse\r\n",
      "     10 complexity\r\n",
      "      9 hacky\r\n",
      "      8 wtf\r\n",
      "      8 bugfixes\r\n",
      "      7 screwing\r\n",
      "      7 screwed\r\n",
      "      7 dumb\r\n",
      "      7 confuses\r\n",
      "      7 Stupid\r\n",
      "      7 Bugfix\r\n",
      "      6 fucked\r\n",
      "      6 bug24430\r\n",
      "      5 screws\r\n",
      "      5 insanely\r\n",
      "      5 hackish\r\n",
      "      5 debug_backtrace\r\n",
      "      4 spaghetti\r\n",
      "      4 shit\r\n",
      "      4 kludge\r\n",
      "      4 hacking\r\n",
      "      4 debugmsg\r\n",
      "      4 buggered\r\n",
      "      3 stupidity\r\n",
      "      3 shitty\r\n",
      "      3 screw\r\n",
      "      3 insanity\r\n",
      "      3 hacked\r\n",
      "      3 hackaround\r\n",
      "      3 confusingly\r\n",
      "      3 WTF\r\n",
      "      3 Hacky\r\n",
      "      3 Debugging\r\n",
      "      3 DebugToolbar\r\n",
      "      2 screwup\r\n",
      "      2 fuck\r\n",
      "      2 debuginfo\r\n",
      "      2 debughtml\r\n",
      "      2 debug_print_backtrace\r\n",
      "      2 debugLog\r\n",
      "      2 bug33703\r\n",
      "      2 HACK\r\n",
      "      2 Fuck\r\n",
      "      2 Dirty\r\n",
      "      2 DebugInfos\r\n",
      "      2 Damn\r\n",
      "      1 pissing\r\n",
      "      1 kluge\r\n",
      "      1 hackjob\r\n",
      "      1 hackery\r\n",
      "      1 hackers\r\n",
      "      1 fucking\r\n",
      "      1 dirties\r\n",
      "      1 dirt\r\n",
      "      1 debugged\r\n",
      "      1 debugToolbar\r\n",
      "      1 damnit\r\n",
      "      1 confusify\r\n",
      "      1 complication\r\n",
      "      1 complicates\r\n",
      "      1 complicate\r\n",
      "      1 bugreports\r\n",
      "      1 bugous\r\n",
      "      1 bugnumber\r\n",
      "      1 buglets\r\n",
      "      1 bugging\r\n",
      "      1 bugger\r\n",
      "      1 bug7468\r\n",
      "      1 bug5077\r\n",
      "      1 bug387\r\n",
      "      1 bug386\r\n",
      "      1 bug35572\r\n",
      "      1 bug34781\r\n",
      "      1 bug33997\r\n",
      "      1 bug33214\r\n",
      "      1 bug32220\r\n",
      "      1 bug30825\r\n",
      "      1 bug30299\r\n",
      "      1 bug29371\r\n",
      "      1 bug29368\r\n",
      "      1 bug29197\r\n",
      "      1 bug28983\r\n",
      "      1 bug28407\r\n",
      "      1 bug25289\r\n",
      "      1 bug22929\r\n",
      "      1 bug20376\r\n",
      "      1 bug16979\r\n",
      "      1 bug15455\r\n",
      "      1 bug14900\r\n",
      "      1 Kludge\r\n",
      "      1 Hacking\r\n",
      "      1 Hacked\r\n",
      "      1 Hackaround\r\n",
      "      1 Fucks\r\n",
      "      1 Fucking\r\n",
      "      1 FUCKING\r\n",
      "      1 Dumb\r\n",
      "      1 DebugDie\r\n",
      "      1 Confusion\r\n",
      "      1 ComplexTitleInputWidget\r\n",
      "      1 Bugs\r\n",
      "      1 Bugfixes\r\n",
      "      1 Bugfis\r\n",
      "      1 BugSec\r\n"
     ]
    }
   ],
   "source": [
    "bin/human /tmp/mediawiki"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## What are the most popular files in the codebase?"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "     25 languages/i18n/qqq.json\r\n",
      "     23 languages/i18n/he.json\r\n",
      "     19 languages/i18n/be-tarask.json\r\n",
      "     17 languages/i18n/fr.json\r\n",
      "     17 languages/i18n/en.json\r\n",
      "     17 includes/DefaultSettings.php\r\n",
      "     16 languages/i18n/de.json\r\n",
      "     15 languages/i18n/eo.json\r\n",
      "     15 autoload.php\r\n",
      "     14 languages/i18n/sv.json\r\n",
      "     14 includes/MediaWikiServices.php\r\n",
      "     13 languages/i18n/diq.json\r\n",
      "     13 includes/user/User.php\r\n",
      "     12 languages/i18n/zh-hans.json\r\n",
      "     12 languages/i18n/sl.json\r\n",
      "     12 languages/i18n/inh.json\r\n",
      "     12 languages/i18n/cs.json\r\n",
      "     11 languages/i18n/pl.json\r\n",
      "     11 languages/i18n/jv.json\r\n",
      "     11 languages/i18n/it.json\r\n",
      "     11 includes/ServiceWiring.php\r\n",
      "     10 languages/i18n/ru.json\r\n",
      "     10 languages/i18n/ja.json\r\n",
      "     10 languages/i18n/gl.json\r\n",
      "     10 includes/Title.php\r\n",
      "      9 tests/phpunit/includes/MediaWikiServicesTest.php\r\n",
      "      9 languages/i18n/lb.json\r\n",
      "      9 languages/i18n/es.json\r\n",
      "      8 languages/i18n/uk.json\r\n",
      "      8 languages/i18n/nl.json\r\n",
      "      8 languages/i18n/ko.json\r\n",
      "      8 languages/i18n/bg.json\r\n",
      "      7 languages/i18n/ksh.json\r\n",
      "      7 languages/i18n/ar.json\r\n",
      "      7 includes/cache/LinkCache.php\r\n",
      "      7 docs/extension.schema.json\r\n",
      "      6 resources/Resources.php\r\n",
      "      6 languages/i18n/war.json\r\n",
      "      6 languages/i18n/ku-latn.json\r\n",
      "      6 languages/i18n/fi.json\r\n",
      "      6 languages/i18n/fa.json\r\n",
      "      6 languages/i18n/da.json\r\n",
      "      6 languages/i18n/ba.json\r\n",
      "      6 languages/i18n/azb.json\r\n",
      "      6 languages/i18n/ast.json\r\n",
      "      6 composer.json\r\n",
      "      5 tests/phpunit/includes/WatchedItemStoreUnitTest.php\r\n",
      "      5 languages/i18n/tr.json\r\n",
      "      5 languages/i18n/nds-nl.json\r\n",
      "      5 languages/i18n/nap.json\r\n",
      "      5 languages/i18n/nan.json\r\n",
      "      5 languages/i18n/lt.json\r\n",
      "      5 languages/i18n/id.json\r\n",
      "      5 languages/i18n/frp.json\r\n",
      "      5 languages/i18n/el.json\r\n",
      "      5 languages/i18n/ca.json\r\n",
      "      5 languages/i18n/bn.json\r\n",
      "      5 languages/i18n/bgn.json\r\n",
      "      5 includes/title/TitleValue.php\r\n",
      "      5 includes/specials/SpecialSearch.php\r\n",
      "      5 includes/registration/ExtensionProcessor.php\r\n",
      "      5 includes/htmlform/HTMLForm.php\r\n",
      "      5 includes/api/ApiStashEdit.php\r\n",
      "      5 includes/EditPage.php\r\n",
      "      5 docs/hooks.txt\r\n",
      "      5 RELEASE-NOTES-1.27\r\n",
      "      4 tests/phpunit/includes/title/TitleValueTest.php\r\n",
      "      4 tests/phpunit/includes/LinkerTest.php\r\n",
      "      4 resources/lib/oojs-ui/oojs-ui-toolbars-mediawiki.css\r\n",
      "      4 resources/lib/oojs-ui/oojs-ui-toolbars-apex.css\r\n",
      "      4 maintenance/updateCollation.php\r\n",
      "      4 languages/i18n/zh-hant.json\r\n",
      "      4 languages/i18n/yi.json\r\n",
      "      4 languages/i18n/wuu.json\r\n",
      "      4 languages/i18n/vi.json\r\n",
      "      4 languages/i18n/ur.json\r\n",
      "      4 languages/i18n/tt-cyrl.json\r\n",
      "      4 languages/i18n/tcy.json\r\n",
      "      4 languages/i18n/sr-el.json\r\n",
      "      4 languages/i18n/sr-ec.json\r\n",
      "      4 languages/i18n/pt.json\r\n",
      "      4 languages/i18n/ps.json\r\n",
      "      4 languages/i18n/nds.json\r\n",
      "      4 languages/i18n/mai.json\r\n",
      "      4 languages/i18n/ia.json\r\n",
      "      4 languages/i18n/hy.json\r\n",
      "      4 languages/i18n/ht.json\r\n",
      "      4 languages/i18n/hr.json\r\n",
      "      4 languages/i18n/eu.json\r\n",
      "      4 languages/i18n/cy.json\r\n",
      "      4 languages/i18n/be.json\r\n",
      "      4 includes/title/MediaWikiTitleCodec.php\r\n",
      "      4 includes/specialpage/SpecialPageFactory.php\r\n",
      "      4 includes/specialpage/SpecialPage.php\r\n",
      "      4 includes/session/SessionProvider.php\r\n",
      "      4 includes/session/SessionManager.php\r\n",
      "      4 includes/search/SearchEngine.php\r\n",
      "      4 includes/parser/ParserCache.php\r\n",
      "      4 includes/objectcache/ObjectCache.php\r\n",
      "      4 includes/libs/objectcache/WANObjectCache.php\r\n",
      "      4 includes/diff/DairikiDiff.php\r\n",
      "      4 includes/api/i18n/ko.json\r\n",
      "      4 includes/api/ApiMain.php\r\n",
      "      4 includes/WatchedItemStore.php\r\n",
      "      4 includes/Setup.php\r\n",
      "      4 includes/Linker.php\r\n",
      "      3 tests/phpunit/includes/title/MediaWikiTitleCodecTest.php\r\n",
      "      3 tests/phpunit/includes/session/SessionManagerTest.php\r\n",
      "      3 tests/phpunit/includes/parser/NewParserTest.php\r\n",
      "      3 tests/phpunit/includes/TitleTest.php\r\n",
      "      3 tests/phpunit/MediaWikiTestCase.php\r\n",
      "      3 tests/parser/parserTest.inc\r\n",
      "      3 resources/src/mediawiki/mediawiki.jqueryMsg.js\r\n",
      "      3 resources/src/mediawiki.legacy/shared.css\r\n",
      "      3 resources/src/mediawiki.legacy/commonPrint.css\r\n",
      "      3 resources/lib/oojs-ui/oojs-ui-windows.js\r\n",
      "      3 resources/lib/oojs-ui/oojs-ui-windows-mediawiki.css\r\n",
      "      3 resources/lib/oojs-ui/oojs-ui-windows-apex.css\r\n",
      "      3 resources/lib/oojs-ui/oojs-ui-widgets.js\r\n",
      "      3 resources/lib/oojs-ui/oojs-ui-widgets-mediawiki.css\r\n",
      "      3 resources/lib/oojs-ui/oojs-ui-widgets-apex.css\r\n",
      "      3 resources/lib/oojs-ui/oojs-ui-toolbars.js\r\n",
      "      3 resources/lib/oojs-ui/oojs-ui-mediawiki.js\r\n",
      "      3 resources/lib/oojs-ui/oojs-ui-core.js\r\n",
      "      3 resources/lib/oojs-ui/oojs-ui-core-mediawiki.css\r\n",
      "      3 resources/lib/oojs-ui/oojs-ui-core-apex.css\r\n",
      "      3 resources/lib/oojs-ui/oojs-ui-apex.js\r\n",
      "      3 languages/messages/MessagesCs.php\r\n",
      "      3 languages/i18n/ta.json\r\n",
      "      3 languages/i18n/si.json\r\n",
      "      3 languages/i18n/sa.json\r\n",
      "      3 languages/i18n/ro.json\r\n",
      "      3 languages/i18n/pt-br.json\r\n",
      "      3 languages/i18n/mr.json\r\n",
      "      3 languages/i18n/mk.json\r\n",
      "      3 languages/i18n/lki.json\r\n",
      "      3 languages/i18n/is.json\r\n",
      "      3 languages/i18n/hu.json\r\n",
      "      3 languages/i18n/dty.json\r\n",
      "      3 languages/i18n/ce.json\r\n",
      "      3 languages/i18n/br.json\r\n",
      "      3 includes/title/TitleFormatter.php\r\n",
      "      3 includes/specials/SpecialUserlogin.php\r\n",
      "      3 includes/specials/SpecialLockdb.php\r\n",
      "      3 includes/parser/LinkHolderArray.php\r\n",
      "      3 includes/linker/LinkTarget.php\r\n",
      "      3 includes/libs/objectcache/BagOStuff.php\r\n",
      "      3 includes/jobqueue/jobs/RefreshLinksJob.php\r\n",
      "      3 includes/interwiki/Interwiki.php\r\n",
      "      3 includes/installer/Installer.php\r\n",
      "      3 includes/htmlform/OOUIHTMLForm.php\r\n",
      "      3 includes/htmlform/HTMLFormField.php\r\n",
      "      3 includes/api/i18n/qqq.json\r\n",
      "      3 includes/api/i18n/it.json\r\n",
      "      3 includes/WatchedItem.php\r\n",
      "      3 includes/LinkTarget.php\r\n",
      "      3 includes/GlobalFunctions.php\r\n",
      "      3 RELEASE-NOTES-1.28\r\n",
      "      2 tests/qunit/suites/resources/mediawiki/mediawiki.jqueryMsg.test.js\r\n",
      "      2 tests/phpunit/tests/MediaWikiTestCaseTest.php\r\n",
      "      2 tests/phpunit/phpunit.php\r\n",
      "      2 tests/phpunit/includes/session/SessionProviderTest.php\r\n",
      "      2 tests/phpunit/includes/search/SearchEnginePrefixTest.php\r\n",
      "      2 tests/phpunit/includes/interwiki/InterwikiTest.php\r\n",
      "      2 tests/phpunit/includes/api/ApiTestCase.php\r\n",
      "      2 tests/phpunit/includes/api/ApiLoginTest.php\r\n",
      "      2 tests/phpunit/includes/WatchedItemUnitTest.php\r\n",
      "      2 tests/phpunit/includes/WatchedItemStoreIntegrationTest.php\r\n",
      "      2 tests/phpunit/includes/WatchedItemIntegrationTest.php\r\n",
      "      2 tests/phpunit/includes/TitlePermissionTest.php\r\n",
      "      2 tests/phpunit/includes/TestUser.php\r\n",
      "      2 tests/parser/parserTests.txt\r\n",
      "      2 resources/src/mediawiki/mediawiki.ForeignStructuredUpload.js\r\n",
      "      2 resources/src/mediawiki/mediawiki.ForeignStructuredUpload.BookletLayout.js\r\n",
      "      2 resources/src/mediawiki/api.js\r\n",
      "      2 maintenance/resources/update-oojs-ui.sh\r\n",
      "      2 maintenance/mssql/tables.sql\r\n",
      "      2 maintenance/convertExtensionToRegistration.php\r\n",
      "      2 languages/i18n/yue.json\r\n",
      "      2 languages/i18n/ug-arab.json\r\n",
      "      2 languages/i18n/tt-latn.json\r\n",
      "      2 languages/i18n/te.json\r\n",
      "      2 languages/i18n/sh.json\r\n",
      "      2 languages/i18n/ses.json\r\n",
      "      2 languages/i18n/sd.json\r\n",
      "      2 languages/i18n/sah.json\r\n",
      "      2 languages/i18n/roa-tara.json\r\n",
      "      2 languages/i18n/pms.json\r\n",
      "      2 languages/i18n/pa.json\r\n",
      "      2 languages/i18n/or.json\r\n",
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      "      1 includes/specials/SpecialRecentchanges.php\r\n",
      "      1 includes/specials/SpecialPasswordReset.php\r\n",
      "      1 includes/specials/SpecialMergeHistory.php\r\n",
      "      1 includes/specials/SpecialMediaStatistics.php\r\n",
      "      1 includes/specials/SpecialMIMEsearch.php\r\n",
      "      1 includes/specials/SpecialLinkAccounts.php\r\n",
      "      1 includes/specials/SpecialFileDuplicateSearch.php\r\n",
      "      1 includes/specials/SpecialExport.php\r\n",
      "      1 includes/specials/SpecialCreateAccount.php\r\n",
      "      1 includes/specials/SpecialChangePassword.php\r\n",
      "      1 includes/specials/SpecialChangeCredentials.php\r\n",
      "      1 includes/specials/SpecialChangeContentModel.php\r\n",
      "      1 includes/specials/SpecialBooksources.php\r\n",
      "      1 includes/specials/SpecialBlock.php\r\n",
      "      1 includes/specials/SpecialActiveusers.php\r\n",
      "      1 includes/specialpage/QueryPage.php\r\n",
      "      1 includes/specialpage/LoginSignupSpecialPage.php\r\n",
      "      1 includes/specialpage/AuthManagerSpecialPage.php\r\n",
      "      1 includes/skins/SkinFactory.php\r\n",
      "      1 includes/session/SessionManagerInterface.php\r\n",
      "      1 includes/session/SessionInfo.php\r\n",
      "      1 includes/session/Session.php\r\n",
      "      1 includes/session/ImmutableSessionProviderWithCookie.php\r\n",
      "      1 includes/session/CookieSessionProvider.php\r\n",
      "      1 includes/search/SearchResult.php\r\n",
      "      1 includes/search/SearchNearMatchResultSet.php\r\n",
      "      1 includes/search/SearchEngineFactory.php\r\n",
      "      1 includes/revisiondelete/RevDelList.php\r\n",
      "      1 includes/resourceloader/ResourceLoaderWikiModule.php\r\n",
      "      1 includes/resourceloader/ResourceLoaderUserModule.php\r\n",
      "      1 includes/resourceloader/ResourceLoaderUserGroupsModule.php\r\n",
      "      1 includes/resourceloader/ResourceLoaderUploadDialogModule.php\r\n",
      "      1 includes/resourceloader/ResourceLoaderSkinModule.php\r\n",
      "      1 includes/resourceloader/ResourceLoaderModule.php\r\n",
      "      1 includes/resourceloader/ResourceLoaderContext.php\r\n",
      "      1 includes/profiler/ProfilerXhprof.php\r\n",
      "      1 includes/poolcounter/PoolWorkArticleView.php\r\n",
      "      1 includes/poolcounter/PoolCounterWorkViaCallback.php\r\n",
      "      1 includes/poolcounter/PoolCounterWork.php\r\n",
      "      1 includes/poolcounter/PoolCounter.php\r\n",
      "      1 includes/parser/StripState.php\r\n",
      "      1 includes/parser/ParserOutput.php\r\n",
      "      1 includes/parser/CoreParserFunctions.php\r\n",
      "      1 includes/page/WikiFilePage.php\r\n",
      "      1 includes/page/Article.php\r\n",
      "      1 includes/objectcache/RedisBagOStuff.php\r\n",
      "      1 includes/mime.types\r\n",
      "      1 includes/media/TransformationalImageHandler.php\r\n",
      "      1 includes/media/PNG.php\r\n",
      "      1 includes/media/GIF.php\r\n",
      "      1 includes/media/Bitmap.php\r\n",
      "      1 includes/logging/RightsLogFormatter.php\r\n",
      "      1 includes/libs/objectcache/MultiWriteBagOStuff.php\r\n",
      "      1 includes/libs/objectcache/MemcachedClient.php\r\n",
      "      1 includes/libs/objectcache/IExpiringStore.php\r\n",
      "      1 includes/libs/eventrelayer/EventRelayerKafka.php\r\n",
      "      1 includes/libs/eventrelayer/EventRelayer.php\r\n",
      "      1 includes/libs/XhprofData.php\r\n",
      "      1 includes/libs/Xhprof.php\r\n",
      "      1 includes/libs/CSSMin.php\r\n",
      "      1 includes/jobqueue/jobs/RecentChangesUpdateJob.php\r\n",
      "      1 includes/jobqueue/jobs/PublishStashedFileJob.php\r\n",
      "      1 includes/jobqueue/jobs/AssembleUploadChunksJob.php\r\n",
      "      1 includes/jobqueue/JobRunner.php\r\n",
      "      1 includes/jobqueue/JobQueueRedis.php\r\n",
      "      1 includes/jobqueue/JobQueueGroup.php\r\n",
      "      1 includes/interwiki/InterwikiLookup.php\r\n",
      "      1 includes/interwiki/ClassicInterwikiLookup.php\r\n",
      "      1 includes/installer/i18n/zh-hant.json\r\n",
      "      1 includes/installer/i18n/zh-hans.json\r\n",
      "      1 includes/installer/i18n/vi.json\r\n",
      "      1 includes/installer/i18n/pt-br.json\r\n",
      "      1 includes/installer/i18n/nl.json\r\n",
      "      1 includes/installer/i18n/nds-nl.json\r\n",
      "      1 includes/installer/i18n/mai.json\r\n",
      "      1 includes/installer/i18n/hsn.json\r\n",
      "      1 includes/installer/WebInstallerPage.php\r\n",
      "      1 includes/installer/WebInstallerOutput.php\r\n",
      "      1 includes/installer/MssqlInstaller.php\r\n",
      "      1 includes/installer/DatabaseInstaller.php\r\n",
      "      1 includes/htmlform/VFormHTMLForm.php\r\n",
      "      1 includes/htmlform/HTMLCheckField.php\r\n",
      "      1 includes/filerepo/file/File.php\r\n",
      "      1 includes/filerepo/LocalRepo.php\r\n",
      "      1 includes/filerepo/FileRepo.php\r",
      "\r\n",
      "      1 includes/exception/UserNotLoggedIn.php\r\n",
      "      1 includes/diff/WordLevelDiff.php\r\n",
      "      1 includes/diff/WordAccumulator.php\r\n",
      "      1 includes/diff/WikiDiff3.php\r\n",
      "      1 includes/diff/DifferenceEngine.php\r\n",
      "      1 includes/deferred/SearchUpdate.php\r\n",
      "      1 includes/deferred/LinksDeletionUpdate.php\r\n",
      "      1 includes/deferred/DeferredUpdates.php\r\n",
      "      1 includes/db/loadbalancer/LoadBalancer.php\r\n",
      "      1 includes/db/loadbalancer/LBFactory.php\r\n",
      "      1 includes/config/ConfigFactory.php\r\n",
      "      1 includes/composer/ComposerPackageModifier.php\r\n",
      "      1 includes/compat/normal/UtfNormalUtil.php\r\n",
      "      1 includes/collation/IcuCollation.php\r\n",
      "      1 includes/changes/EnhancedChangesList.php\r\n",
      "      1 includes/cache/localisation/LocalisationCache.php\r\n",
      "      1 includes/cache/MessageCache.php\r\n",
      "      1 includes/cache/GenderCache.php\r\n",
      "      1 includes/cache/CacheDependency.php\r\n",
      "      1 includes/auth/UsernameAuthenticationRequest.php\r\n",
      "      1 includes/auth/UserDataAuthenticationRequest.php\r\n",
      "      1 includes/auth/Throttler.php\r\n",
      "      1 includes/auth/ThrottlePreAuthenticationProvider.php\r\n",
      "      1 includes/auth/TemporaryPasswordPrimaryAuthenticationProvider.php\r\n",
      "      1 includes/auth/TemporaryPasswordAuthenticationRequest.php\r\n",
      "      1 includes/auth/SecondaryAuthenticationProvider.php\r\n",
      "      1 includes/auth/ResetPasswordSecondaryAuthenticationProvider.php\r\n",
      "      1 includes/auth/RememberMeAuthenticationRequest.php\r\n",
      "      1 includes/auth/PrimaryAuthenticationProvider.php\r\n",
      "      1 includes/auth/PreAuthenticationProvider.php\r\n",
      "      1 includes/auth/PasswordDomainAuthenticationRequest.php\r\n",
      "      1 includes/auth/PasswordAuthenticationRequest.php\r\n",
      "      1 includes/auth/LocalPasswordPrimaryAuthenticationProvider.php\r\n",
      "      1 includes/auth/LegacyHookPreAuthenticationProvider.php\r\n",
      "      1 includes/auth/EmailNotificationSecondaryAuthenticationProvider.php\r\n",
      "      1 includes/auth/CreationReasonAuthenticationRequest.php\r\n",
      "      1 includes/auth/CreatedAccountAuthenticationRequest.php\r\n",
      "      1 includes/auth/CreateFromLoginAuthenticationRequest.php\r\n",
      "      1 includes/auth/ConfirmLinkSecondaryAuthenticationProvider.php\r\n",
      "      1 includes/auth/ConfirmLinkAuthenticationRequest.php\r\n",
      "      1 includes/auth/CheckBlocksSecondaryAuthenticationProvider.php\r\n",
      "      1 includes/auth/ButtonAuthenticationRequest.php\r\n",
      "      1 includes/auth/AuthenticationResponse.php\r\n",
      "      1 includes/auth/AuthenticationRequest.php\r\n",
      "      1 includes/auth/AuthenticationProvider.php\r\n",
      "      1 includes/auth/AuthPluginPrimaryAuthenticationProvider.php\r\n",
      "      1 includes/auth/AuthManagerAuthPlugin.php\r\n",
      "      1 includes/auth/AuthManager.php\r\n",
      "      1 includes/auth/AbstractSecondaryAuthenticationProvider.php\r\n",
      "      1 includes/auth/AbstractPrimaryAuthenticationProvider.php\r\n",
      "      1 includes/auth/AbstractPreAuthenticationProvider.php\r\n",
      "      1 includes/auth/AbstractPasswordPrimaryAuthenticationProvider.php\r\n",
      "      1 includes/auth/AbstractAuthenticationProvider.php\r\n",
      "      1 includes/api/i18n/vi.json\r\n",
      "      1 includes/api/i18n/ur.json\r\n",
      "      1 includes/api/i18n/mk.json\r\n",
      "      1 includes/api/i18n/hsn.json\r\n",
      "      1 includes/api/i18n/he.json\r\n",
      "      1 includes/api/i18n/eo.json\r\n",
      "      1 includes/api/i18n/de.json\r\n",
      "      1 includes/api/i18n/ba.json\r\n",
      "      1 includes/api/ApiUpload.php\r\n",
      "      1 includes/api/ApiSetNotificationTimestamp.php\r\n",
      "      1 includes/api/ApiResetPassword.php\r\n",
      "      1 includes/api/ApiRemoveAuthenticationData.php\r\n",
      "      1 includes/api/ApiQueryUsers.php\r\n",
      "      1 includes/api/ApiQueryUserInfo.php\r\n",
      "      1 includes/api/ApiQuerySiteinfo.php\r\n",
      "      1 includes/api/ApiQuerySearch.php\r\n",
      "      1 includes/api/ApiQueryRecentChanges.php\r\n",
      "      1 includes/api/ApiQueryPrefixSearch.php\r\n",
      "      1 includes/api/ApiQueryImageInfo.php\r\n",
      "      1 includes/api/ApiQueryAuthManagerInfo.php\r\n",
      "      1 includes/api/ApiQuery.php\r\n",
      "      1 includes/api/ApiPageSet.php\r\n",
      "      1 includes/api/ApiOptions.php\r\n",
      "      1 includes/api/ApiOpenSearch.php\r\n",
      "      1 includes/api/ApiManageTags.php\r\n",
      "      1 includes/api/ApiLogin.php\r\n",
      "      1 includes/api/ApiLinkAccount.php\r\n",
      "      1 includes/api/ApiHelp.php\r\n",
      "      1 includes/api/ApiFormatJson.php\r\n",
      "      1 includes/api/ApiCreateAccount.php\r\n",
      "      1 includes/api/ApiClientLogin.php\r\n",
      "      1 includes/api/ApiChangeAuthenticationData.php\r\n",
      "      1 includes/api/ApiBase.php\r\n",
      "      1 includes/api/ApiAuthManagerHelper.php\r\n",
      "      1 includes/api/ApiAMCreateAccount.php\r\n",
      "      1 includes/actions/InfoAction.php\r\n",
      "      1 includes/WebRequest.php\r\n",
      "      1 includes/Status.php\r\n",
      "      1 includes/SiteStats.php\r\n",
      "      1 includes/Services/ServiceDisabledException.php\r\n",
      "      1 includes/Services/ServiceContainer.php\r\n",
      "      1 includes/Services/ServiceAlreadyDefinedException.php\r\n",
      "      1 includes/Services/NoSuchServiceException.php\r\n",
      "      1 includes/Services/DestructibleService.php\r\n",
      "      1 includes/Services/ContainerDisabledException.php\r\n",
      "      1 includes/Services/CannotReplaceActiveServiceException.php\r\n",
      "      1 includes/ProtectionForm.php\r\n",
      "      1 includes/OutputPage.php\r\n",
      "      1 includes/MovePage.php\r\n",
      "      1 includes/Html.php\r\n",
      "      1 includes/EventRelayerGroup.php\r\n",
      "      1 includes/DummyLinker.php\r\n",
      "      1 includes/CategoryViewer.php\r\n",
      "      1 extensions/README\r\n",
      "      1 docs/injection.txt\r\n",
      "      1 Rakefile\r\n",
      "      1 Gemfile.lock\r\n",
      "      1 Gemfile\r\n"
     ]
    }
   ],
   "source": [
    "bin/git_most_popular_files /tmp/mediawiki 28 days ago"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Drill-down: How many lines are in that file that the devs love so much?\n",
    "\n",
    "Here I am using `wc` which is a built-in command on Mac, Linux and Cygwin."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 46,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "507 /tmp/mediawiki/includes/MediaWikiServices.php\r\n"
     ]
    }
   ],
   "source": [
    "wc -l /tmp/mediawiki/includes/MediaWikiServices.php"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 47,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "       1 text file.\r\n",
      "       1 unique file.                              \r\n",
      "       0 files ignored.\r\n",
      "\r\n",
      "http://cloc.sourceforge.net v 1.64  T=0.01 s (112.1 files/s, 56825.2 lines/s)\r\n",
      "-------------------------------------------------------------------------------\r\n",
      "Language                     files          blank        comment           code\r\n",
      "-------------------------------------------------------------------------------\r\n",
      "PHP                              1             50            304            153\r\n",
      "-------------------------------------------------------------------------------\r\n"
     ]
    }
   ],
   "source": [
    "cloc /tmp/mediawiki/includes/MediaWikiServices.php"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Who are the most prolific authors?"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "metadata": {
    "collapsed": false,
    "scrolled": true
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "\r\n",
      "Git authors by count of commits since 28 days ago.\r\n",
      "\r\n",
      "    214 jenkins-bot\r\n",
      "     43 Aaron Schulz\r\n",
      "     30 Kunal Mehta\r\n",
      "     27 Translation updater bot\r\n",
      "     19 addshore\r\n",
      "     14 Gergő Tisza\r\n",
      "     14 Brad Jorsch\r\n",
      "     14 Bartosz Dziewoński\r\n",
      "      7 James D. Forrester\r\n",
      "      7 Brian Wolff\r\n",
      "      6 Sethakill\r\n",
      "      6 Max Semenik\r\n",
      "      5 Roan Kattouw\r\n",
      "      4 umherirrender\r\n",
      "      4 daniel\r\n",
      "      4 Timo Tijhof\r\n",
      "      4 Tim Starling\r\n",
      "      4 Stanislav Malyshev\r\n",
      "      4 Ryan Schmidt\r\n",
      "      4 Ori Livneh\r\n",
      "      4 MGChecker\r\n",
      "      4 Leszek Manicki\r\n",
      "      4 Florian\r\n",
      "      4 Chad Horohoe\r\n",
      "      3 Thiemo Mättig\r\n",
      "      3 Ricordisamoa\r\n",
      "      3 Matthew Flaschen\r\n",
      "      3 Amire80\r\n",
      "      2 matejsuchanek\r\n",
      "      2 jdlrobson\r\n",
      "      2 aude\r\n",
      "      2 Paladox\r\n",
      "      2 Martin Urbanec\r\n",
      "      2 Glaisher\r\n",
      "      2 Gabriel Wicke\r\n",
      "      2 Ed Sanders\r\n",
      "      2 Cblair91\r\n",
      "      2 Amir E. Aharoni\r\n",
      "      1 Željko Filipin\r\n",
      "      1 dcausse\r\n",
      "      1 Yusuke Matsubara\r\n",
      "      1 Volker E\r\n",
      "      1 U-REDMOND\\emadelw\r\n",
      "      1 Stephan Gambke\r\n",
      "      1 Reedy\r\n",
      "      1 Matthias Mullie\r\n",
      "      1 Legoktm\r\n",
      "      1 Jackmcbarn\r\n",
      "      1 Gilles Dubuc\r\n",
      "      1 Fomafix\r\n",
      "      1 Erik Bernhardson\r\n",
      "      1 Bryan Davis\r\n",
      "      1 Brion Vibber\r\n",
      "      1 Arlo Breault\r\n",
      "      1 Andrew H\r\n",
      "      1 Ajayrahul P\r\n"
     ]
    }
   ],
   "source": [
    "bin/git_authors_leaderboard /tmp/mediawiki 28"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Who _Deletes_ The Most Code?"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 41,
   "metadata": {
    "collapsed": false,
    "scrolled": true
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "                  Author\t           Files Touched\t              Insertions\t               Deletions\r\n",
      "     Translation updater bot\t                     652\t                    4833\t                    2922\r\n",
      "                Gergő Tisza\t                      69\t                    7433\t                    2636\r\n",
      "                 Max Semenik\t                      15\t                    1104\t                    1377\r\n",
      "         Bartosz Dziewoński\t                     130\t                    1180\t                     936\r\n",
      "                  Ori Livneh\t                      14\t                     749\t                     735\r\n",
      "                Tim Starling\t                       6\t                     655\t                     610\r\n",
      "                 Brad Jorsch\t                     132\t                   19710\t                     486\r\n",
      "                      daniel\t                      42\t                    2696\t                     481\r\n",
      "                     Amire80\t                       4\t                     379\t                     373\r\n",
      "                   Sethakill\t                      11\t                     257\t                     330\r\n",
      "                 Kunal Mehta\t                      78\t                     826\t                     307\r\n",
      "          Stanislav Malyshev\t                      32\t                     596\t                     302\r\n",
      "          James D. Forrester\t                      59\t                     321\t                     261\r\n",
      "                 Brian Wolff\t                      16\t                     151\t                     247\r\n",
      "                Aaron Schulz\t                      67\t                     536\t                     241\r\n",
      "                Ryan Schmidt\t                      31\t                     904\t                     180\r\n",
      "                    addshore\t                      48\t                     454\t                     160\r\n",
      "                 Ajayrahul P\t                       2\t                      50\t                      86\r\n",
      "                    Volker E\t                       1\t                      82\t                      82\r\n",
      "                Ricordisamoa\t                      27\t                      86\t                      74\r\n",
      "                Arlo Breault\t                       1\t                     108\t                      50\r\n",
      "                 Timo Tijhof\t                       6\t                      50\t                      47\r\n",
      "                     Florian\t                      12\t                      44\t                      30\r\n",
      "                   MGChecker\t                      15\t                      55\t                      26\r\n",
      "                     Paladox\t                      10\t                      27\t                      25\r\n",
      "              Thiemo Mättig\t                       7\t                      42\t                      22\r\n",
      "                 Bryan Davis\t                       5\t                     102\t                      17\r\n",
      "             Željko Filipin\t                       4\t                      29\t                      13\r\n",
      "                     Legoktm\t                       6\t                       4\t                      13\r\n",
      "             Amir E. Aharoni\t                       3\t                      33\t                       8\r\n",
      "              Leszek Manicki\t                       4\t                    1867\t                       8\r\n",
      "                Chad Horohoe\t                      18\t                     245\t                       8\r\n",
      "                    Cblair91\t                       2\t                       3\t                       8\r\n",
      "                     Fomafix\t                       1\t                       6\t                       6\r\n",
      "               umherirrender\t                       7\t                      25\t                       5\r\n",
      "                  Ed Sanders\t                       2\t                      10\t                       4\r\n",
      "            Matthew Flaschen\t                       4\t                     141\t                       3\r\n",
      "               matejsuchanek\t                       4\t                      26\t                       3\r\n",
      "                Roan Kattouw\t                       7\t                      35\t                       3\r\n",
      "            Erik Bernhardson\t                       1\t                       2\t                       2\r\n",
      "                Brion Vibber\t                       6\t                     170\t                       2\r\n",
      "                  Jackmcbarn\t                       4\t                      13\t                       2\r\n",
      "                    Glaisher\t                       3\t                      24\t                       2\r\n",
      "            Yusuke Matsubara\t                       1\t                       1\t                       1\r\n",
      "              Martin Urbanec\t                       2\t                       3\t                       1\r\n",
      "                   jdlrobson\t                       6\t                     250\t                       1\r\n",
      "                     dcausse\t                       1\t                       1\t                       1\r\n",
      "           U-REDMOND\\emadelw\t                       0\t                       0\t                       0\r\n",
      "             Matthias Mullie\t                       5\t                      18\t                       0\r\n",
      "              Stephan Gambke\t                       1\t                       5\t                       0\r\n",
      "               Gabriel Wicke\t                       2\t                       2\t                       0\r\n",
      "                Gilles Dubuc\t                       1\t                       2\t                       0\r\n",
      "                 jenkins-bot\t                       0\t                       0\t                       0\r\n",
      "                    Andrew H\t                       1\t                       1\t                       0\r\n",
      "                       Reedy\t                       1\t                       0\t                       0\r\n",
      "                        aude\t                       2\t                       4\t                       0\r\n"
     ]
    }
   ],
   "source": [
    "bin/git_leaderboard_by_deletions /tmp/mediawiki 28"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "collapsed": true
   },
   "source": [
    "At Wikipedia, a _bot_ deletes the most code. That's _fascinating!_"
   ]
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "Bash",
   "language": "bash",
   "name": "bash"
  },
  "language_info": {
   "codemirror_mode": "shell",
   "file_extension": ".sh",
   "mimetype": "text/x-sh",
   "name": "bash"
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