I updated the project and got the following breakage, which after some investigation I found to be caused by the dependency broccoli-caching-writer being updated to version 0.5.4
version: 0.1.4
valid watchman found, version: [3.0.0]
Proxying to http://localhost:3000
Livereload server on port 35729
Serving on http://0.0.0.0:4200/
Cannot read property 'length' of undefined
TypeError: Cannot read property 'length' of undefined
at promiseMapSeries (/home/lsocrate/Projects/touchdown/t/touchdown-cli/node_modules/ember-browserify/node_modules/promise-map-series/index.js:4:32)
at CoreObject.proto.read (/home/lsocrate/Projects/touchdown/t/touchdown-cli/node_modules/ember-browserify/node_modules/broccoli-caching-writer/index.js:74:10)
at CoreObject.module.exports.CachingWriter.extend.read (/home/lsocrate/Projects/touchdown/t/touchdown-cli/node_modules/ember-browserify/caching-browserify.js:18:29)
at /home/lsocrate/Projects/touchdown/t/touchdown-cli/node_modules/ember-cli/node_modules/broccoli/lib/builder.js:79:23
at $$$internal$$tryCatch (/home/lsocrate/Projects/touchdown/t/touchdown-cli/node_modules/ember-cli/node_modules/rsvp/dist/rsvp.js:470:16)
at $$$internal$$invokeCallback (/home/lsocrate/Projects/touchdown/t/touchdown-cli/node_modules/ember-cli/node_modules/rsvp/dist/rsvp.js:482:17)
at /home/lsocrate/Projects/touchdown/t/touchdown-cli/node_modules/ember-cli/node_modules/rsvp/dist/rsvp.js:1066:13
at $$rsvp$asap$$flush (/home/lsocrate/Projects/touchdown/t/touchdown-cli/node_modules/ember-cli/node_modules/rsvp/dist/rsvp.js:1531:9)
at process._tickCallback (node.js:419:13)
I updated the project and got the following breakage, which after some investigation I found to be caused by the dependency broccoli-caching-writer being updated to version 0.5.4