ci: use GitHub Actions

Thanks Travis CI!!!

.github/dependabot.yml

@@ -0,0 +1,6 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"

.github/workflows/release.yml

@@ -0,0 +1,63 @@
+# Copyright (C) 2024  Sutou Kouhei <kou@clear-code.com>
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License version 2.1 as published by the Free Software Foundation.
+#
+# This library 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 library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+
+name: Release
+on:
+  push:
+    tags:
+      - "*"
+jobs:
+  github:
+    name: GitHub
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    steps:
+      - uses: actions/checkout@v4
+      - name: Extract release note
+        run: |
+          ruby \
+            -e 'print("## gqtp "); \
+                puts(ARGF.read.split(/^## /)[1]. \
+                       gsub(/ {.+?}/, ""). \
+                       gsub(/\[(.+?)\]\[.+?\]/) {$1})' \
+            doc/text/news.md > release-note.md
+      - name: Upload to release
+        run: |
+          title=$(head -n1 release-note.md | sed -e 's/^## //')
+          tail -n +2 release-note.md > release-note-without-version.md
+          gh release create ${GITHUB_REF_NAME} \
+            --discussion-category Announcements \
+            --notes-file release-note-without-version.md \
+            --title "${title}"
+        env:
+          GH_TOKEN: ${{ github.token }}
+
+  rubygems:
+    name: RubyGems
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    permissions:
+      id-token: write
+    environment: release
+    steps:
+      - uses: actions/checkout@v4
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ruby
+          bundler-cache: true
+      - uses: rubygems/configure-rubygems-credentials@v1.0.0
+      - name: Push gems
+        run: |
+          bundle exec rake release:rubygem_push

.github/workflows/test.yml

@@ -0,0 +1,47 @@
+# Copyright (C) 2024  Sutou Kouhei <kou@clear-code.com>
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License version 2.1 as published by the Free Software Foundation.
+#
+# This library 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 library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+
+name: Test
+on:
+  push:
+    branches:
+      - '**'
+      - '!dependabot/**'
+    tags:
+      - '*'
+  pull_request:
+jobs:
+  test:
+    name: ${{ matrix.ruby-version }}
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        ruby-version:
+          - "2.6"
+          - "2.7"
+          - "3.0"
+          - "3.1"
+          - "3.2"
+          - "3.3"
+    steps:
+      - uses: actions/checkout@v4
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby-version }}
+          bundler-cache: true
+      - name: Test
+        run: |
+          bundle exec test/run-test.rb

Rakefile

@@ -44,3 +44,13 @@ desc "Run tests"
 task :test do
   ruby("test/run-test.rb")
 end
+
+release_task = Rake.application["release"]
+# We use Trusting Publishing
+release_task.prerequisites.delete("build")
+release_task.prerequisites.delete("release:rubygem_push")
+release_task_comment = release_task.comment
+if release_task_comment
+  release_task.clear_comments
+  release_task.comment = release_task_comment.gsub(/ and build.*$/, "")
+end