var nodegit = require("../"),

path = require("path");

// This code walks the history of the master branch and prints results

// that look very similar to calling `git log` from the command line

nodegit.Repository.open(path.resolve(__dirname, "../.git"))

.then(function(repo) {

return repo.getMasterCommit();

})

.then(function(firstCommitOnMaster){

// History returns an event.

var history = firstCommitOnMaster.history(nodegit.Revwalk.SORT.Time);

var commits = [];

// History emits "commit" event for each commit in the branch's history

history.on("commit", function(commit) {

return commit.getDiff()

.then(function(diffList) {

var addCommit = diffList.reduce(function(prevVal, diff) {

var result =

prevVal ||

diff.patches().reduce(function(prevValDiff, patch) {

var result =

prevValDiff ||

!!~patch.oldFile().path().indexOf("descriptor.json") ||

!!~patch.newFile().path().indexOf("descriptor.json");

return result;

}, false);

return result;

}, false);

if (addCommit) {

commits.push(commit);

}

});

});

history.on("end", function() {

commits.forEach(function(commit) {

console.log("commit " + commit.sha());

console.log("Author:", commit.author().name() +

" <" + commit.author().email() + ">");

console.log("Date:", commit.date());

console.log("\n " + commit.message());

});

});

// Don't forget to call `start()`!

history.start();

})

.done();