Drop support for Ruby 2.6 & Rails 5.2 due to EOL

.github/workflows/ci.yml

@@ -13,17 +13,9 @@ jobs:
         - 6379:6379
     strategy:
       matrix:
-        ruby: ["2.6", "2.7", "3.0", "3.1"]
-        gemfile: [rails_5_2, rails_6_0, rails_6_1, rails_7_0, rails_edge]
+        ruby: ["2.7", "3.0", "3.1"]
+        gemfile: [rails_6_0, rails_6_1, rails_7_0, rails_edge]
         exclude:
-          - ruby: "2.6"
-            gemfile: rails_7_0
-          - ruby: "2.6"
-            gemfile: rails_edge
-          - ruby: "3.0"
-            gemfile: rails_5_2
-          - ruby: "3.1"
-            gemfile: rails_5_2
           - ruby: "3.1"
             gemfile: rails_6_0
         include:

.rubocop.yml

@@ -2,7 +2,7 @@ inherit_gem:
   rubocop-shopify: rubocop.yml
 
 AllCops:
-  TargetRubyVersion: 2.6.5
+  TargetRubyVersion: 2.7.6
   Exclude:
     - 'vendor/bundle/**/*'
 Lint/SuppressedException:

CHANGELOG.md

@@ -1,5 +1,8 @@
 ### Master (unreleased)
 
+- [241](https://github.com/Shopify/job-iteration/pull/241) - Require Ruby 2.7+, dropping 2.6 support
+- [241](https://github.com/Shopify/job-iteration/pull/241) - Require Rails 6.0+, dropping 5.2 support
+
 ## v1.3.6 (Mar 9, 2022)
 
 - [190](https://github.com/Shopify/job-iteration/pull/190) - Fix updating `times_interrupted` and `total_time` when job is throttled

Gemfile.lock

@@ -8,7 +8,7 @@ PATH
   remote: .
   specs:
     job-iteration (1.3.6)
-      activejob (>= 5.2)
+      activejob (>= 6.0)
 
 GEM
   remote: https://rubygems.org/

dev.yml

@@ -7,7 +7,7 @@ up:
     - mysql-client:
         or:        [mysql@5.7]
   - ruby:
-      version: 2.6.5
+      version: 2.7.6
   - railgun
   - bundler
   - custom:

job-iteration.gemspec

@@ -5,7 +5,7 @@ $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 require "job-iteration/version"
 
 Gem::Specification.new do |spec|
-  spec.required_ruby_version = ">= 2.6"
+  spec.required_ruby_version = ">= 2.7"
   spec.name          = "job-iteration"
   spec.version       = JobIteration::VERSION
   spec.authors       = ["Shopify"]
@@ -27,5 +27,5 @@ Gem::Specification.new do |spec|
   spec.metadata["allowed_push_host"] = "https://rubygems.org"
 
   spec.add_development_dependency("activerecord")
-  spec.add_dependency("activejob", ">= 5.2")
+  spec.add_dependency("activejob", ">= 6.0")
 end

lib/job-iteration/csv_enumerator.rb

@@ -49,14 +49,7 @@ def batches(batch_size:, cursor:)
     private
 
     def count_of_rows_in_file
-      # TODO: Remove rescue for NoMethodError when Ruby 2.6 is no longer supported.
-      begin
-        filepath = @csv.path
-      rescue NoMethodError
-        return
-      end
-
-      # Behaviour of CSV#path changed in Ruby 2.6.3 (returns nil instead of raising NoMethodError)
+      filepath = @csv.path
       return unless filepath
 
       count = %x(wc -l < #{filepath}).strip.to_i