{"action":"opened","issue":{"url":"https://api.github.com/repos/mietek/haskell-on-heroku/issues/50","labels_url":"https://api.github.com/repos/mietek/haskell-on-heroku/issues/50/labels{/name}","comments_url":"https://api.github.com/repos/mietek/haskell-on-heroku/issues/50/comments","events_url":"https://api.github.com/repos/mietek/haskell-on-heroku/issues/50/events","html_url":"https://github.com/mietek/haskell-on-heroku/issues/50","id":68375398,"number":50,"title":"ERROR: Failed to detect app","user":{"login":"tfausak","id":408753,"avatar_url":"https://avatars.githubusercontent.com/u/408753?v=3","gravatar_id":"","url":"https://api.github.com/users/tfausak","html_url":"https://github.com/tfausak","followers_url":"https://api.github.com/users/tfausak/followers","following_url":"https://api.github.com/users/tfausak/following{/other_user}","gists_url":"https://api.github.com/users/tfausak/gists{/gist_id}","starred_url":"https://api.github.com/users/tfausak/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/tfausak/subscriptions","organizations_url":"https://api.github.com/users/tfausak/orgs","repos_url":"https://api.github.com/users/tfausak/repos","events_url":"https://api.github.com/users/tfausak/events{/privacy}","received_events_url":"https://api.github.com/users/tfausak/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-04-14T13:31:56Z","updated_at":"2015-04-14T13:31:56Z","closed_at":null,"body":"I am trying to deploy [Blunt](http://blunt.herokuapp.com/). I have previously deployed version 1.0.0 on 2015-04-11. I am now trying to deploy version 1.0.1. Not much has changed between the versions: <https://github.com/tfausak/blunt/compare/v1.0.0...v1.0.1>. In spite of that, I am getting a deploy error.\r\n\r\n```\r\n$ git push heroku master\r\nCounting objects: 22, done.\r\nDelta compression using up to 4 threads.\r\nCompressing objects: 100% (22/22), done.\r\nWriting objects: 100% (22/22), 2.33 KiB | 0 bytes/s, done.\r\nTotal 22 (delta 13), reused 0 (delta 0)\r\nremote: Compressing source files... done.\r\nremote: Building source:\r\nremote: \r\nremote: -----> Fetching custom git buildpack... done\r\nremote: -----> Haskell app detected\r\nremote: \r\nremote: \r\nremote: -----> Welcome to Haskell on Heroku\r\nremote:        HALCYON_AWS_ACCESS_KEY_ID:                (secret)\r\nremote:        HALCYON_AWS_SECRET_ACCESS_KEY:            (secret)\r\nremote:        HALCYON_S3_BUCKET:                        taylorfausak-halcyon\r\nremote:        HALCYON_SANDBOX_EXTRA_APPS:               happy\r\nremote:        PAPERTRAIL_API_TOKEN:                     (secret)\r\nremote: \r\nremote: -----> Installing buildpack... done, f88763a\r\nremote: -----> Installing Halcyon... done, 7210a8a\r\nremote: -----> Installing bashmenot... done, 08977d6\r\nremote:    *** ERROR: Failed to detect app\r\nremote: \r\nremote:  !     Push rejected, failed to compile Haskell app\r\nremote: \r\nremote: Verifying deploy...\r\nremote: \r\nremote: !\tPush rejected to blunt.\r\nremote: \r\nTo https://git.heroku.com/blunt.git\r\n ! [remote rejected] master -> master (pre-receive hook declined)\r\nerror: failed to push some refs to 'https://git.heroku.com/blunt.git'\r\n```\r\n\r\nI looked for an existing issue about this and found #42. However I *do* have `blunt.cabal` at the top level, and `cabal check` doesn't find anything wrong with it. "}}