ENOBUFS error when comparing large commits #113

# diff2html v1.1.5 v1.2.7

<ref *1> Error: spawnSync /bin/sh ENOBUFS
    at Object.spawnSync (internal/child_process.js:1067:20)
    at spawnSync (child_process.js:602:24)
    at Object.execSync (child_process.js:647:15)
    at Object.execute (/usr/local/lib/node_modules/diff2html-cli/lib/utils.js:38:36)
    at runGitDiff (/usr/local/lib/node_modules/diff2html-cli/lib/cli.js:87:18)
    at Object.<anonymous> (/usr/local/lib/node_modules/diff2html-cli/lib/cli.js:125:32)
    at step (/usr/local/lib/node_modules/diff2html-cli/lib/cli.js:63:23)
    at Object.next (/usr/local/lib/node_modules/diff2html-cli/lib/cli.js:44:53)
    at /usr/local/lib/node_modules/diff2html-cli/lib/cli.js:38:71
    at new Promise (<anonymous>) {
  errno: -105,
  code: 'ENOBUFS',
  syscall: 'spawnSync /bin/sh',
  path: '/bin/sh',
  spawnargs: [ '-c', 'git diff "v1.1.5" "v1.2.7" --no-color ' ],
  error: [Circular *1],
  status: null,
  signal: 'SIGTERM',
  output: [
    null,
    <Buffer 64 69 66 66 20 2d 2d 67 69 74 20 61 2f 2e 67 69 74 69 67 6e 6f 72 65 20 62 2f 2e 67 69 74 69 67 6e 6f 72 65 0a 69 6e 64 65 78 20 66 35 35 32 37 34 63 ... 1056718 more bytes>,
    <Buffer >
  ],
  pid: 12472,
  stdout: <Buffer 64 69 66 66 20 2d 2d 67 69 74 20 61 2f 2e 67 69 74 69 67 6e 6f 72 65 20 62 2f 2e 67 69 74 69 67 6e 6f 72 65 0a 69 6e 64 65 78 20 66 35 35 32 37 34 63 ... 1056718 more bytes>,
  stderr: <Buffer >
} []