Conditionally require the correct sqlite version

The version of sqlite we use depends on which version of Rails we're on.

Author: AlistairNorman

Gemfile

@@ -17,10 +17,8 @@ else
   gem "solidus_frontend", github: "solidusio/solidus", branch: branch
 end
 
-# Needed to help Bundler figure out how to resolve dependencies,
-# otherwise it takes forever to resolve them.
-# See https://github.com/bundler/bundler/issues/6677
-gem "rails", ">0.a"
+rails_requirement_string = ENV.fetch("RAILS_VERSION", "~> 8.0")
+gem "rails", rails_requirement_string
 
 gem "state_machines", "0.6.0"
 
@@ -33,7 +31,10 @@ when "mysql"
 when "postgresql"
   gem "pg"
 else
-  gem "sqlite3"
+  rails_version = Gem::Requirement.new(rails_requirement_string).requirements[0][1]
+  sqlite_version = (rails_version < Gem::Version.new(7.2)) ? "~> 1.4" : "~> 2.0"
+
+  gem "sqlite3", sqlite_version
 end
 
 gemspec