was it truncated over http?

whatis-25f7bcf.js

var fs = require('fs');
var crypto = require('crypto');

var targetSha = '25f7bcf998cc3747cad755d53dec4c6698aad834';

var candidates = {
  includeJs_2425cff7: { 
    filename: 'whatis-25f7bcf.at.2425cff7aeb9c8d4b4b930168d341e3b401a4d89',
    knownSha: '7b7d2e96f46271f79a83395ed1486a69c2135d89',
  },
  includeJs_3621544d: {
    filename: 'whatis-25f7bcf.at.3621544d2b252c1dfa26cdbb96258e00e807ce45',
    knownSha: '269240cf28176d0307cba74a99b2330bef656de3',
  },
};

Object.keys(candidates).forEach(function(key) {
  var filename = candidates[key].filename;
  var knownSha = candidates[key].knownSha;
  var content = fs.readFileSync(filename, 'utf8');

  console.log('--- Looking at slices of', filename, 'for', targetSha, '---');

  if (content.length === Buffer.byteLength(content)) {
    console.log('content.length === Buffer.byteLength',
                content.length, Buffer.byteLength(content), filename);
  }

  for (var idx = 0; idx < content.length; ++idx) {
    var partial = content.substr(idx);
    var sha1 = crypto.createHash('sha1').update(partial).digest("hex");

    // console.log(content.length, idx, sha1);
    // if (idx >= content.length - 4) {
    //   console.log(content.length, idx, partial, sha1);
    //} 

    if (sha1 === knownSha) { 
      console.log("*** Expected ***", sha1, idx);
    }
    if (sha1 === targetSha) { 
      console.log("*** WINNER ***", sha1, idx);
    }
  }
});