Stranger6667 · Stranger6667 · Jun 24, 2025 · Jun 24, 2025
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
@@ -535,6 +535,85 @@ jobs:
       - run: bundle exec rake test
         working-directory: ./bindings/ruby
 
+  test-ruby-gem-install:
+    name: Ruby Gem Build & Install Test
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-22.04, macos-13, windows-2022]
+        ruby-version: ["3.2", "3.3", "3.4"]
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Ruby & Rust
+        uses: oxidize-rb/actions/setup-ruby-and-rust@main
+        with:
+          ruby-version: ${{ matrix.ruby-version }}
+          bundler-cache: false
+          cargo-cache: true
+          cache-version: v1
+          working-directory: ./bindings/ruby
+
+      - name: Build gem
+        run: |
+          gem build css_inline.gemspec
+        working-directory: ./bindings/ruby
+
+      - name: Install rb_sys
+        run: gem install rb_sys -v '~> 0.9.116' --no-document
+        working-directory: ./bindings/ruby
+
+      - name: Install gem from built file
+        run: |
+          GEM_FILE=$(ls css_inline-*.gem | head -1)
+          echo "Installing gem: $GEM_FILE"
+          gem install "./$GEM_FILE" --local --no-document
+        working-directory: ./bindings/ruby
+        shell: bash
+
+      - name: Test gem installation
+        run: |
+          ruby -e "
+            require 'css_inline'
+
+            html = '<html><head><style>h1 { color: red; }</style></head><body><h1>Test</h1></body></html>'
+            result = CSSInline.inline(html)
+          "
+
+      - name: Test gem in clean environment
+        run: |
+          ruby -e "require 'css_inline'; puts 'SUCCESS: Gem accessible from clean environment'"
+        env:
+          BUNDLE_GEMFILE: ""
+
+  test-ruby-gem-install-musl:
+    name: Ruby Gem Build & Install Test (Alpine/musl)
+    runs-on: ubuntu-22.04
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Test gem install on Alpine/musl
+        run: |
+          docker run --rm \
+            -v ${{ github.workspace }}:/workspace \
+            -w /workspace \
+            public.ecr.aws/docker/library/ruby:3.3-alpine3.19 \
+            sh -c '
+              set -e
+              apk add --no-cache alpine-sdk curl gcompat clang clang-dev llvm-dev
+              curl --proto "=https" --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --default-toolchain 1.82.0
+              source ~/.cargo/env
+              gem update --system
+              cd bindings/ruby
+              gem install rb_sys -v "~> 0.9" --no-document
+              gem build css_inline.gemspec
+              gem install css_inline-*.gem --local --no-document
+              ruby -e "require \"css_inline\"; puts CSSInline.inline(\"<style>h1{color:red}</style><h1>test</h1>\")"
+            '
+
   test-wasm:
     name: WASM module tests
     runs-on: ubuntu-22.04

diff --git a/bindings/ruby/CHANGELOG.md b/bindings/ruby/CHANGELOG.md
@@ -2,6 +2,15 @@
 
 ## [Unreleased]
 
+### Changed
+
+- Bump MSRV to `1.82`.
+
+### Fixed
+
+- Packaging issue.
+- Installation on Alpine. [#394](https://github.com/Stranger6667/css-inline/pull/394)
+
 ## [0.15.1] - 2025-06-21
 
 ### Fixed

diff --git a/bindings/ruby/Cargo.lock b/bindings/ruby/Cargo.lock
diff --git a/bindings/ruby/Gemfile b/bindings/ruby/Gemfile
@@ -5,3 +5,4 @@ source "https://rubygems.org"
 gemspec
 
 gem 'rspec'
+gem 'rb_sys'
diff --git a/bindings/ruby/Gemfile.lock b/bindings/ruby/Gemfile.lock
@@ -2,6 +2,7 @@ PATH
   remote: .
   specs:
     css_inline (0.15.1)
+      rb_sys (~> 0.9.116)
 
 GEM
   remote: https://rubygems.org/
@@ -52,7 +53,7 @@ DEPENDENCIES
   nokogiri (~> 1.15)
   premailer (~> 1.21)
   rake-compiler (~> 1.3.0)
-  rb_sys (~> 0.9.116)
+  rb_sys
   rspec
 
 BUNDLED WITH

diff --git a/bindings/ruby/css_inline.gemspec b/bindings/ruby/css_inline.gemspec
@@ -8,8 +8,17 @@ Gem::Specification.new do |spec|
     `css_inline` inlines CSS into HTML documents, using components from Mozilla's Servo project.
     This process is essential for sending HTML emails as you need to use "style" attributes instead of "style" tags.
   EOF
-  spec.files = Dir["lib/**/*.rb"].concat(Dir["ext/css_inline/src/**/*.rs"]) << "ext/css_inline/Cargo.toml" << "Cargo.lock" << "README.md"
-  spec.extensions = ["ext/css_inline/Cargo.toml"]
+  spec.files = [
+    *Dir["lib/**/*.rb"],
+    *Dir["ext/css_inline/src/**/*.rs"],
+    "ext/css_inline/Cargo.toml",
+    "ext/css_inline/Cargo.lock",
+    "ext/css_inline/extconf.rb",
+    "README.md",
+    "Cargo.toml",
+    "Cargo.lock",
+  ].compact
+  spec.extensions = ["ext/css_inline/extconf.rb"]
   spec.rdoc_options = ["--main", "README.rdoc", "--charset", "utf-8", "--exclude", "ext/"]
   spec.authors = ["Dmitry Dygalo"]
   spec.email = ["[email protected]"]
@@ -22,12 +31,13 @@ Gem::Specification.new do |spec|
     "funding_uri" => "https://github.com/sponsors/Stranger6667/",
   }
 
-  spec.requirements = ["Rust >= 1.71.1"]
+  spec.requirements = ["Rust >= 1.82"]
   spec.required_ruby_version = ">= 3.2.0"
   spec.required_rubygems_version = ">= 3.3.26"
 
+  spec.add_dependency "rb_sys", "~> 0.9.116"
+
   spec.add_development_dependency "rake-compiler", "~> 1.3.0"
-  spec.add_development_dependency "rb_sys", "~> 0.9.116"
   spec.add_development_dependency "benchmark-ips", "~> 2.10"
   spec.add_development_dependency "premailer", "~> 1.21"
   spec.add_development_dependency "nokogiri", "~> 1.15"
Original file line number	Diff line number	Diff line change
Expand Up		@@ -5,3 +5,4 @@ source "https://rubygems.org"
		gemspec

		gem 'rspec'
		gem 'rb_sys'