Add Alpine Linux as supported platform (#19)

.github/workflows/test.yml

@@ -10,6 +10,7 @@ jobs:
       matrix:
         distribution:
           - almalinux-9
+          - alpine-linux
           - alt-linux
           - amazon-linux-2
           - amazon-linux-2023

docker-compose.yml

@@ -27,6 +27,15 @@ services:
     command:
       /native-package-installer/dockerfiles/run-test.sh
 
+  alpine-linux:
+    build:
+      context: .
+      dockerfile: dockerfiles/alpine-linux.dockerfile
+    volumes:
+      - .:/native-package-installer:delegated
+    command:
+      /native-package-installer/dockerfiles/run-test.sh
+
   alt-linux:
     build:
       context: .

dockerfiles/alpine-linux.dockerfile

@@ -0,0 +1,32 @@
+FROM alpine
+
+RUN \
+  apk update && apk upgrade && \
+  apk add \
+    bash \
+    build-base \
+    gcc \
+    make \
+    ruby \
+    ruby-dev \
+    openssl \
+    openssl-dev \
+    zlib \
+    zlib-dev \
+    sudo \
+    which
+
+RUN \
+  gem install --no-user-install \
+    bundler \
+    rake
+
+RUN \
+  adduser native-package-installer -G wheel -D -h /home/native-package-installer
+
+RUN \
+  echo "native-package-installer ALL=(ALL:ALL) NOPASSWD:ALL" | \
+    EDITOR=tee visudo -f /etc/sudoers.d/native-package-installer
+
+USER native-package-installer
+WORKDIR /home/native-package-installer

lib/native-package-installer/platform.rb

@@ -57,6 +57,7 @@ def detect
 
 require_relative "platform/suse"
 
+require_relative "platform/alpine-linux"
 
 # Windows
 require_relative "platform/msys2"

lib/native-package-installer/platform/alpine-linux.rb

@@ -0,0 +1,41 @@
+# Copyright (C) 2023  Ruby-GNOME Project Team
+#
+# This library is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+class NativePackageInstaller
+  module Platform
+    class AlpineLinux
+      Platform.register(self)
+
+      class << self
+        def current_platform?
+          os_release = OSRelease.new
+          os_release.id == "alpine"
+        end
+      end
+
+      def package(spec)
+        spec[:alpine_linux]
+      end
+
+      def install_command
+        "apk add"
+      end
+
+      def need_super_user_priviledge?
+        true
+      end
+    end
+  end
+end