chore: Support signoff in autogenerated commits (#21)

Signed-off-by: Daniel Azuma <dazuma@gmail.com>

.toys/.data/releases.yml

@@ -1,5 +1,6 @@
 repo: cloudevents/sdk-ruby
 main_branch: master
+signoff_commits: true
 gems:
   - name: cloud_events
     docs_builder_tool: [yardoc]

.toys/release/.lib/release_perform.rb

@@ -176,7 +176,9 @@ def push_docs
       @utils.logger.info "Pushing #{@gem_name} docs to gh-pages ..."
       ::Dir.chdir @gh_pages_dir do
         @utils.exec ["git", "add", "."]
-        @utils.exec ["git", "commit", "-m", "Generate yardocs for #{@gem_name} #{@gem_version}"]
+        commit_cmd = ["git", "commit", "-m", "Generate yardocs for #{@gem_name} #{@gem_version}"]
+        commit_cmd << "--signoff" if @utils.signoff_commits?
+        @utils.exec commit_cmd
         if @dry_run
           @utils.logger.info "DRY RUN: Docs pushed to gh-pages"
         else

.toys/release/.lib/release_prepare.rb

@@ -144,7 +144,7 @@ def analyze_title title
       bump_segment = 2
       match = /^(fix|feat|docs)(?:\([^()]+\))?(!?):\s+(.*)$/.match title
       return bump_segment unless match
-      description = match[3].gsub(/\(#\d+\)$/, "")
+      description = normalize_line match[3], delete_pr_number: true
       case match[1]
       when "fix"
         @fixes << description
@@ -177,7 +177,7 @@ def analyze_body body, bump_segment
         case match[1]
         when /^BREAKING[-\s]CHANGE$/
           bump_segment = 0 unless lock_change
-          @breaks << match[2]
+          @breaks << normalize_line(match[2])
         when /^semver-change$/i
           seg = SEMVER_CHANGES[match[2].downcase]
           if seg
@@ -189,11 +189,19 @@ def analyze_body body, bump_segment
       bump_segment
     end
 
+    def normalize_line line, delete_pr_number: false
+      match = /^([a-z])(.*)$/.match line
+      line = match[1].upcase + match[2] if match
+      line = line.gsub(/\(#\d+\)$/, "") if delete_pr_number
+      line
+    end
+
     def determine_new_version
       @new_version = @override_version
       if @last_version
         @new_version ||= begin
           segments = @last_version.segments
+          @bump_segment = 1 if segments[0].zero? && @bump_segment.zero?
           segments[@bump_segment] += 1
           segments.fill(0, @bump_segment + 1).join(".")
         end
@@ -216,7 +224,7 @@ def build_changelog_entries
         @changelog_entries << "* Feature: #{line}"
       end
       @fixes.each do |line|
-        @changelog_entries << "* Fixed: #{line}"
+        @changelog_entries << "* Fix: #{line}"
       end
       @docs.each do |line|
         @changelog_entries << "* Documentation: #{line}"
@@ -259,7 +267,9 @@ def create_release_commit
         @utils.exec ["git", "branch", "-D", @release_branch_name]
       end
       @utils.exec ["git", "checkout", "-b", @release_branch_name]
-      @utils.exec ["git", "commit", "-a", "-m", @release_commit_title]
+      commit_cmd = ["git", "commit", "-a", "-m", @release_commit_title]
+      commit_cmd << "--signoff" if @utils.signoff_commits?
+      @utils.exec commit_cmd
       @utils.exec ["git", "push", "-f", @git_remote, @release_branch_name]
       @utils.exec ["git", "checkout", @release_ref]
     end

.toys/release/.lib/release_utils.rb

@@ -24,6 +24,10 @@ def repo_owner
     repo_path.split("/").first
   end
 
+  def signoff_commits?
+    @signoff_commits
+  end
+
   def all_gems
     @gems.keys
   end
@@ -349,6 +353,7 @@ def load_release_info file_path
     info = ::YAML.load_file file_path
     @main_branch = info["main_branch"] || "main"
     @repo_path = info["repo"]
+    @signoff_commits = info["signoff_commits"] ? true : false
     error "Repo key missing from releases.yml" unless @repo_path
     @gems = {}
     @default_gem = nil