Update

You can also use Capistrano to keep your installation up to date.

0. Ensure dependencies are up to date

cd /home/huginn/huginn
sudo bundle exec rake production:check

1. Stop server

sudo bundle exec rake production:stop

When the process is stuck you can use

sudo bundle exec rake production:force_stop

to forcefully kill the process.

2. Store the current version

export OLD_VERSION=`git rev-parse HEAD`

3. Update the code

Back up changed files

sudo -u huginn -H cp Procfile Procfile.bak

Get the new code

sudo -u huginn -H git fetch --all
sudo -u huginn -H git checkout -- Procfile
sudo -u huginn -H git checkout master
sudo -u huginn -H git pull

Restore backed up files

sudo -u huginn -H cp Procfile.bak Procfile

4. Update ruby version

Ensure you have Ruby 2.5+ installed:

ruby -v

Upgrade when required:

mkdir /tmp/ruby && cd /tmp/ruby
curl -L --progress https://cache.ruby-lang.org/pub/ruby/2.6/ruby-2.6.5.tar.bz2 | tar xj
cd ruby-2.6.5
./configure --disable-install-rdoc
make -j`nproc`
sudo make install
sudo gem install rake bundler foreman --no-document

5. Install gems, migrate and precompile assets

Ensure you have rubygems 2.7.0+ installed:

gem -v

# Update rubygems if the version is too old
sudo gem update --system --no-document

cd /home/huginn/huginn

sudo -u huginn -H bundle install --deployment --without development test

# Run database migrations
sudo -u huginn -H bundle exec rake db:migrate RAILS_ENV=production

# Clean up assets and cache
sudo -u huginn -H bundle exec rake assets:clean assets:precompile tmp:cache:clear RAILS_ENV=production

6. Update the Procfile

Check for changes made to the default Procfile

sudo -u huginn -H git diff $OLD_VERSION..master Procfile

Update your Procfile if the default options of the version you are using changed

sudo -u huginn -H editor Procfile

7. Update the .env file

Check for changes made to the example .env

sudo -u huginn -H git diff $OLD_VERSION..master .env.example

Update your .env with new options or changed defaults

sudo -u huginn -H editor .env

8. Export init script and start Huginn

# Export the init script
sudo bundle exec rake production:export

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