manifest = checkedCall(fs.readFile, addonPath).then(function(buff) {
var zip = new AdmZip(buff);
if (!zip.getEntry('install.rdf')) {
throw new AddonFormatError(
'Could not find install.rdf in ' + addonPath);
}
var done = promise.defer();
zip.readAsTextAsync('install.rdf', done.fulfill);
return done.promise;
});
manifest = new Promise((resolve, reject) => {
let zip = new AdmZip(addonPath);
if (!zip.getEntry('install.rdf')) {
reject(new AddonFormatError(
'Could not find install.rdf in ' + addonPath));
return;
}
zip.readAsTextAsync('install.rdf', resolve);
});