I need some help with this small app I am trying to push to heroku after doing
git add .
git commit -m "message here"
git push heroku master
I get the following error message:
Enumerating objects: 174, done.
Counting objects: 100% (174/174), done.
Delta compression using up to 12 threads
Compressing objects: 100% (156/156), done.
Writing objects: 100% (174/174), 38.41 KiB | 2.40 MiB/s, done.
Total 174 (delta 62), reused 36 (delta 3)
remote: Compressing source files... done.
remote: Building source:
remote:
remote: -----> Building on the Heroku-20 stack
remote: -----> Determining which buildpack to use for this app
remote: -----> Ruby app detected
remote: -----> Installing bundler 2.3.10
remote: -----> Removing BUNDLED WITH version in the Gemfile.lock
remote: -----> Compiling Ruby/Rails
remote: -----> Using Ruby version: ruby-2.6.6
remote: -----> Installing dependencies using bundler 2.3.10
remote: Running: BUNDLE_WITHOUT='development:test' BUNDLE_PATH=vendor/bundle BUNDLE_BIN=vendor/bundle/bin BUNDLE_DEPLOYMENT=1 bundle install -j4
remote: /usr/bin/env: ‘ruby\r’: No such file or directory
remote: Bundler Output: /usr/bin/env: ‘ruby\r’: No such file or directory
remote:
remote: !
remote: ! Failed to install gems via Bundler.
remote: !
remote: ! Push rejected, failed to compile Ruby app.
remote:
remote: ! Push failed
remote: Verifying deploy...
remote:
remote: ! Push rejected to damp-spire-06287.
remote:
To https://git.heroku.com/damp-spire-06287.git
! [remote rejected] master -> master (pre-receive hook declined) error: failed to push some refs to 'https://git.heroku.com/damp-spire-06287.git
I am not sure if it is an issue with the bundler version or something else but I need any help if possible. I have tried doing
bundle install and bundle update
and the bundle completes without a hitch. I have been stuck for a while and tried replacing the bundle version to no avail. Thanks in advance!
This error is caused because you have incorrect line endings (CRLF vs. LF) in your repo, which is generally caused when you are working/deploying across Windows and Unix-like environments. Mac/Unix/Linux environments -- which Heroku uses -- use a single linefeed (usually denoted \n) character to terminate a line while Windows uses a carriage return/linefeed pair (\r\n).
If your local repo is on a Windows machine you'll need to convert the files in your repo before pushing to Heroku. You can configure Git to handle the auto-conversion so that you have Windows terminators when you checkout on Windows but maintain the repo with just linefeeds.
To set up the automatic conversion:
% git config --global core.autocrlf input
Git also provides a way to refresh your repo to ensure all the line endings are correct. This can cause merge headaches since this can affect every line in some/all files, so you preferably want to do this on a fully up-to-date repo (i.e., no un-pushed changes).
% git add --renormalize .
% git commit -m "Normalize all the line endings"