set release-version attribute to gem version during release; fix bug …

…in version script [no ci]

CHANGELOG.adoc

@@ -64,7 +64,7 @@ Build / Infrastructure::
 
 === Details
 
-{url-repo}/releases/tag/v2.0.19[git tag] | {url-repo}/compare/v2.0.18\...v2.0.19[source diff]
+{url-repo}/releases/tag/v2.0.19[git tag] | {url-repo}/compare/v2.0.18\...v2.0.19[full diff]
 // end::compact[]
 
 == 2.0.18 (2022-10-15) - @mojavelinux
@@ -89,7 +89,7 @@ Bug Fixes::
 
 === Details
 
-{url-repo}/releases/tag/v2.0.18[git tag] | {url-repo}/compare/v2.0.17\...v2.0.18[source diff]
+{url-repo}/releases/tag/v2.0.18[git tag] | {url-repo}/compare/v2.0.17\...v2.0.18[full diff]
 
 == 2.0.17 (2022-01-05) - @mojavelinux
 

tasks/version.rb

@@ -4,6 +4,7 @@
 require_relative '../lib/asciidoctor' 
 
 release_version = ENV['RELEASE_VERSION']
+release_gem_version = ENV['RELEASE_GEM_VERSION']
 prerelease = (release_version.count '[a-z]') > 0 ? %(-#{(release_version.split '.', 3)[-1]}) : nil
 release_date = Time.now.strftime '%Y-%m-%d'
 release_user = ENV['RELEASE_USER']
@@ -14,12 +15,12 @@
 antora_file = 'docs/antora.yml'
 
 version_contents = (File.readlines version_file, mode: 'r:UTF-8').map do |l|
-  (l.include? 'VERSION') ? (l.sub %r/'[^']+'/, %('#{release_version}')) : l
+  (l.include? 'VERSION') ? (l.sub %r/'[^']+'/, %('#{release_gem_version}')) : l
 end
 
 readme_files = readme_files.map do |readme_file|
   readme_contents = (File.readlines readme_file, mode: 'r:UTF-8').map do |l|
-    (l.start_with? ':release-version: ') ? %(:release-version: #{release_version}\n) : l
+    (l.start_with? ':release-version: ') ? %(:release-version: #{release_gem_version}\n) : l
   end
   if readme_file.include? 'README'
     if readme_contents[2].start_with? 'v'
@@ -37,12 +38,13 @@
 if (last_release_idx = changelog_contents.index {|l| (l.start_with? '== ') && (%r/^== \d/.match? l) })
   previous_release_version = (changelog_contents[last_release_idx].match %r/\d\S+/)[0]
 else
+  changelog_contents << ?\n
   last_release_idx = changelog_contents.length
 end
 changelog_contents.insert last_release_idx, <<~END
 === Details
 
-{url-repo}/releases/tag/v#{release_version}[git tag]#{previous_release_version ? %( | {url-repo}/compare/v#{previous_release_version}\\...v#{release_version}[source diff]) : ''}
+{url-repo}/releases/tag/v#{release_version}[git tag]#{previous_release_version ? %( | {url-repo}/compare/v#{previous_release_version}\\...v#{release_version}[full diff]) : ''}
 // end::compact[]
 
 END