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Name	Size	Permission
apply-delta.js	1.8 KB	-rw-rw-r--
config-codec.js	1.49 KB	-rw-rw-r--
defer.js	734 B	-rw-rw-r--
deflate.js	249 B	-rw-rw-r--
find-common.js	1.25 KB	-rw-rw-r--
git-fs.js	3.07 KB	-rw-rw-r--
inflate-stream.js	967 B	-rw-rw-r--
inflate.js	249 B	-rw-rw-r--
modes.js	728 B	-rw-rw-r--
object-codec.js	6.17 KB	-rw-rw-r--
pack-codec.js	7.87 KB	-rw-rw-r--
pkt-line.js	3.07 KB	-rw-rw-r--
wrap-handler.js	370 B	-rw-rw-r--

Code Editor : find-common.js

function oneCall(fn) {
  var done = false;
  return function () {
    if (done) return;
    done = true;
    return fn.apply(this, arguments);
  };
}

module.exports = findCommon;

function findCommon(repo, a, b, callback) {
  callback = oneCall(callback);
  var ahead = 0, behind = 0;
  var aStream, bStream;
  var aCommit, bCommit;

if (a === b) return callback(null, ahead, behind);
  repo.logWalk(a, onAStream);
  repo.logWalk(b, onBStream);

function onAStream(err, stream) {
    if (err) return callback(err);
    aStream = stream;
    aStream.read(onA);
  }

function onBStream(err, stream) {
    if (err) return callback(err);
    bStream = stream;
    bStream.read(onB);
  }

function onA(err, commit) {
    if (!commit) return callback(err || new Error("No common commit"));
    aCommit = commit;
    if (bCommit) compare();
  }

function onB(err, commit) {
    if (!commit) return callback(err || new Error("No common commit"));
    bCommit = commit;
    if (aCommit) compare();
  }

}

Urban Research Lab

The Urban Research Lab (URL) at IIIT-Delhi was established in 2020, during a time when the pandemic brought the complexities of urban life more visible than ever. What started as an initiative by faculty and students has grown into a collaborative space for critically exploring and reimagining the urban questions through research, dialogue, and interdisciplinary engagement.

${this.title}

Code Editor : find-common.js

Urban Research Lab