Add official Rails 8.1 support (#308)

and drop official support for Rails 6.1.

Author: jas14

.github/workflows/super_diff.yml

@@ -57,21 +57,21 @@ jobs:
           - "3.3"
           - "3.4"
         rails_appraisal:
-          - rails_6_1
           - rails_7_0
           - rails_7_1
           - rails_7_2
           - rails_8_0
+          - rails_8_1
           - no_rails
         rspec_appraisal:
           - rspec_lt_3_10
           - rspec_gte_3_10
           - rspec_gte_3_13
         exclude:
+        - ruby: "3.1"
+          rails_appraisal: "rails_8_1"
         - ruby: "3.1"
           rails_appraisal: "rails_8_0"
-        - ruby: "3.4"
-          rails_appraisal: "rails_6_1"
         - ruby: "3.4"
           rails_appraisal: "rails_7_0"
     env:

Appraisals

@@ -9,13 +9,6 @@ rails_dependencies =
   end
 
 appraisals = {
-  rails_6_1:
-    proc do
-      instance_eval(&rails_dependencies)
-
-      gem 'rails', '~> 6.1.0'
-      gem 'sqlite3', '~> 1.4', platform: %i[ruby mswin mingw]
-    end,
   rails_7_0:
     proc do
       instance_eval(&rails_dependencies)
@@ -44,6 +37,13 @@ appraisals = {
       gem 'rails', '~> 8.0.0'
       gem 'sqlite3', '>= 2.1', platform: %i[ruby mswin mingw]
     end,
+  rails_8_1:
+    proc do
+      instance_eval(&rails_dependencies)
+
+      gem 'rails', '~> 8.1.0'
+      gem 'sqlite3', '>= 2.1', platform: %i[ruby mswin mingw]
+    end,
   no_rails: proc {},
   rspec_lt_3_10:
     proc do |with_rails|
@@ -80,7 +80,7 @@ appraisals = {
     end
 }
 
-rails_appraisals = %i[no_rails rails_6_1 rails_7_0 rails_7_1 rails_7_2 rails_8_0]
+rails_appraisals = %i[no_rails rails_7_0 rails_7_1 rails_7_2 rails_8_0 rails_8_1]
 rspec_appraisals = %i[rspec_lt_3_10 rspec_gte_3_10 rspec_gte_3_13]
 
 rails_appraisals.each do |rails_appraisal|

CHANGELOG.md

@@ -12,6 +12,8 @@
 - Pin all actions to full commit SHA. [#305](https://github.com/splitwise/super_diff/pull/305)
 - Do not attempt to sub-diff multiline strings. [#304](https://github.com/splitwise/super_diff/pull/304)
 - Tweak TieredLinesElider. [#307](https://github.com/splitwise/super_diff/pull/307)
+- Drop official support for Rails 6.1, which reached EOL in October 2024. [#308](https://github.com/splitwise/super_diff/pull/308)
+- Add official support for Rails 8.1. [#308](https://github.com/splitwise/super_diff/pull/308)
 
 ## 0.18.0 - 2025-12-05
 

README.md

@@ -113,7 +113,7 @@ for more on how to do that.
 `super_diff` is [tested][gh-actions] to work with
 Ruby >= 3.1,
 RSpec 3.x,
-and Rails >= 6.1.
+and Rails >= 7.0.
 
 [gh-actions]: https://github.com/splitwise/super_diff/actions?query=workflow%3ASuperDiff
 

gemfiles/rails_6_1_rspec_gte_3_10.gemfile gemfiles/rails_8_1_rspec_gte_3_10.gemfilegemfiles/rails_6_1_rspec_gte_3_10.gemfile renamed to gemfiles/rails_8_1_rspec_gte_3_10.gemfile

@@ -14,8 +14,8 @@ gem "activerecord-jdbcsqlite3-adapter", platform: :jruby
 gem "jdbc-sqlite3", platform: :jruby
 gem "net-ftp"
 gem "combustion"
-gem "rails", "~> 6.1.0"
-gem "sqlite3", "~> 1.4", platform: [:ruby, :mswin, :mingw]
+gem "rails", "~> 8.1.0"
+gem "sqlite3", ">= 2.1", platform: [:ruby, :mswin, :mingw]
 gem "rspec", "3.12.0"
 gem "rspec-core", "3.12.0"
 gem "rspec-expectations", "3.12.3"

gemfiles/rails_6_1_rspec_gte_3_13.gemfile gemfiles/rails_8_1_rspec_gte_3_13.gemfilegemfiles/rails_6_1_rspec_gte_3_13.gemfile renamed to gemfiles/rails_8_1_rspec_gte_3_13.gemfile

@@ -14,8 +14,8 @@ gem "activerecord-jdbcsqlite3-adapter", platform: :jruby
 gem "jdbc-sqlite3", platform: :jruby
 gem "net-ftp"
 gem "combustion"
-gem "rails", "~> 6.1.0"
-gem "sqlite3", "~> 1.4", platform: [:ruby, :mswin, :mingw]
+gem "rails", "~> 8.1.0"
+gem "sqlite3", ">= 2.1", platform: [:ruby, :mswin, :mingw]
 gem "rspec", "3.13.0"
 gem "rspec-core", "3.13.0"
 gem "rspec-expectations", "3.13.0"

gemfiles/rails_6_1_rspec_lt_3_10.gemfile gemfiles/rails_8_1_rspec_lt_3_10.gemfilegemfiles/rails_6_1_rspec_lt_3_10.gemfile renamed to gemfiles/rails_8_1_rspec_lt_3_10.gemfile

@@ -14,8 +14,8 @@ gem "activerecord-jdbcsqlite3-adapter", platform: :jruby
 gem "jdbc-sqlite3", platform: :jruby
 gem "net-ftp"
 gem "combustion"
-gem "rails", "~> 6.1.0"
-gem "sqlite3", "~> 1.4", platform: [:ruby, :mswin, :mingw]
+gem "rails", "~> 8.1.0"
+gem "sqlite3", ">= 2.1", platform: [:ruby, :mswin, :mingw]
 gem "rspec", "~> 3.9.0"
 gem "rspec-rails"