Fix: CI.

.github/workflows/ci.yml

@@ -1,39 +1,31 @@
 name: CI
-on:
-  push:
-    branches: [master]
-  pull_request:
-    branches: [master]
+on: [push, pull_request]
 
 jobs:
   test:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        mongodb: ["4.4"]
-        ruby: ["2.5", "2.6", "2.7", "3.0"]
-        gemfile:
-          - mongoid-3.1
-          - mongoid-4.0
-          - mongoid-5.0
-          - mongoid-6.0
-          - mongoid-7.0
-          - mongoid-8.0
-
+        entry:
+          - { ruby: '2.6', mongodb: '4.4', gemfile: 'mongoid-4.0', bundler: '1.17.3' }
+          - { ruby: '2.7', mongodb: '4.4', gemfile: 'mongoid-5.0', bundler: '1.17.3' }
+          - { ruby: '2.7', mongodb: '4.4', gemfile: 'mongoid-6.0' }
+          - { ruby: '2.7', mongodb: '4.4', gemfile: 'mongoid-7.0' }
+          - { ruby: '3.1', mongodb: '4.4', gemfile: 'mongoid-8.0' }
+    name: test (ruby=${{ matrix.entry.ruby }}, mongodb=${{ matrix.entry.mongodb }}), gemfile=${{ matrix.entry.gemfile }})
     env:
-      BUNDLE_GEMFILE: gemfiles/${{ matrix.gemfile }}.gemfile
+      BUNDLE_GEMFILE: gemfiles/${{ matrix.entry.gemfile }}.gemfile
     steps:
-      - name: Set up MongoDB ${{ matrix.mongodb }}
+      - name: Set up MongoDB ${{ matrix.entry.mongodb }}
         uses: supercharge/mongodb-github-action@1.8.0
         with:
-          mongodb-version: ${{ matrix.mongodb }}
-      # https://github.com/marketplace/actions/checkout
+          mongodb-version: ${{ matrix.entry.mongodb }}
       - uses: actions/checkout@v2
-      # https://github.com/marketplace/actions/setup-ruby-jruby-and-truffleruby
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: ${{ matrix.ruby }}
+          ruby-version: ${{ matrix.entry.ruby }}
+          bundler: '${{ matrix.entry.bundler || 1 }}'
           bundler-cache: true
       - name: Run tests
         run: bundle exec rake

.github/workflows/danger.yml

@@ -0,0 +1,19 @@
+name: PR Linter
+on: [pull_request]
+jobs:
+  danger:
+    runs-on: ubuntu-latest
+    env:
+      BUNDLE_GEMFILE: ${{ github.workspace }}/Gemfile.danger
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: 2.7
+          bundler-cache: true
+      - run: |
+          # the personal token is public, this is ok, base64 encode to avoid tripping Github
+          TOKEN=$(echo -n Z2hwX0xNQ3VmanBFeTBvYkZVTWh6NVNqVFFBOEUxU25abzBqRUVuaAo= | base64 --decode)
+          DANGER_GITHUB_API_TOKEN=$TOKEN bundle exec danger --verbose

CHANGELOG.md

@@ -1,5 +1,7 @@
 ### 2.4.1 (Next)
 
+* [#81](https://github.com/mongoid/mongoid-grid_fs/pull/81): Mongoid 8 support - [@dblock](https://github.com/dblock), [@rmm5t](https://github.com/rmm5t).
+* [#81](https://github.com/mongoid/mongoid-grid_fs/pull/81): Dropped support for Mongoid 3 - [@dblock](https://github.com/dblock), [@rmm5t](https://github.com/rmm5t).
 * Your contribution here.
 
 ### 2.4.0 (2018/07/11)

CONTRIBUTING.md

@@ -107,7 +107,7 @@ git push origin my-feature-branch -f
 
 #### Check on Your Pull Request
 
-Go back to your pull request after a few minutes and see whether it passed muster with Travis-CI. Everything should look green, otherwise fix issues and amend your commit as described above.
+Go back to your pull request after a few minutes and see whether it passed muster with CI. Everything should look green, otherwise fix issues and amend your commit as described above.
 
 #### Be Patient
 

Gemfile.danger

@@ -0,0 +1,5 @@
+source 'https://rubygems.org'
+
+group :test do
+  gem 'mongoid-danger', '~> 0.2.0'
+end

README.md

@@ -2,7 +2,7 @@ mongoid-grid_fs
 ---------------
 
 [![Gem Version](https://badge.fury.io/rb/mongoid-grid_fs.svg)](https://badge.fury.io/rb/mongoid-grid_fs)
-[![Build Status](https://travis-ci.org/mongoid/mongoid-grid_fs.svg)](https://travis-ci.org/mongoid/mongoid-grid_fs)
+[![CI](https://github.com/mongoid/mongoid-grid_fs/actions/workflows/ci.yml/badge.svg)](https://github.com/mongoid/mongoid-grid_fs/actions/workflows/ci.yml)
 
 A pure Mongoid/Moped implementation of the MongoDB GridFS specification
 

gemfiles/mongoid-5.0.gemfile

@@ -2,5 +2,6 @@ source 'https://rubygems.org'
 
 gem 'mongoid', '~> 5.0.0'
 gem 'rails', '~> 4.0'
+gem 'bigdecimal', '~> 1.3'
 
 gemspec path: '../'