var nodegit = require('../');

var path = require('path');

var Promise = require('nodegit-promise');

var promisify = require('promisify-node');

var fse = promisify(require('fs-extra'));

var fileName = 'newfile.txt';

var fileContent = 'hello world';

var directoryName = 'salad/toast/strangerinastrangeland/theresnowaythisexists';

// ensureDir is an alias to mkdirp, which has the callback with a weird name

// and in the 3rd position of 4 (the 4th being used for recursion). We have to force

// promisify it, because promisify-node won't detect it on its own and assumes sync

fse.ensureDir = promisify(fse.ensureDir);

/**

* This example creates a certain file `newfile.txt`, adds it to the git index and

* commits it to head. Similar to a `git add newfile.txt` followed by a `git commit`

**/

var repo;

var index;

var oid;

var parent;

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

.then(function(repoResult) {

repo = repoResult;

return fse.ensureDir(path.join(repo.workdir(), directoryName));

}).then(function(){

return fse.writeFile(path.join(repo.workdir(), fileName), fileContent);

})

.then(function() {

return fse.writeFile(path.join(repo.workdir(), directoryName, fileName), fileContent);

})

.then(function() {

return repo.openIndex();

})

.then(function(indexResult) {

index = indexResult;

return index.read(1);

})

.then(function() {

return index.addByPath(fileName);

})

.then(function() {

return index.addByPath(path.join(directoryName, fileName));

})

.then(function() {

return index.write();

})

.then(function() {

return index.writeTree();

})

.then(function(oidResult) {

oid = oidResult;

return nodegit.Reference.nameToId(repo, 'HEAD');

})

.then(function(head) {

return repo.getCommit(head);

})

.then(function(parent) {

var author = nodegit.Signature.create("Scott Chacon", "schacon@gmail.com", 123456789, 60);

var committer = nodegit.Signature.create("Scott A Chacon", "scott@github.com", 987654321, 90);

return repo.createCommit('HEAD', author, committer, 'message', oid, [parent]);

})

.done(function(commitId) {

console.log('New Commit: ', commitId);

});