Automatically generate release front matter

Author: achow101

_data/translations.yml

@@ -11,6 +11,7 @@ en:
   rss_feed: "Bitcoin Core Blog RSS Feed"
   rss_meetings_feed: "Meetings feed"
   rss_blog_feed: "Blog posts feed"
+  release_excerpt: "Bitcoin Core version %version is now available"
 
 zh_CN:
   created: "发布在"
@@ -25,6 +26,7 @@ zh_CN:
   rss_feed: "Bitcoin Core Blog RSS Feed"
   rss_meetings_feed: "Meetings feed"
   rss_blog_feed: "Blog posts feed"
+  release_excerpt: ""
 
 zh_TW:
   created: "發表於"
@@ -39,6 +41,7 @@ zh_TW:
   rss_feed: "Bitcoin Core Blog RSS Feed"
   rss_meetings_feed: "Meetings feed"
   rss_blog_feed: "Blog posts feed"
+  release_excerpt: ""
 
 ja:
   created: "Published on the"
@@ -53,6 +56,7 @@ ja:
   rss_feed: "Bitcoin Core Blog RSS Feed"
   rss_meetings_feed: "Meetings feed"
   rss_blog_feed: "Blog posts feed"
+  release_excerpt: "Bitcoin Core バージョン %version が利用可能になりました"
 
 es:
   created: "Publicado el"
@@ -67,3 +71,4 @@ es:
   rss_feed: "Fuente RSS del Blog de Bitcoin Core"
   rss_meetings_feed: "Feed de reuniones"
   rss_blog_feed: "Feed de entradas del blog"
+  release_excerpt: "Bitcoin Core versión %version ya está disponible"

_plugins/release-posts.rb

@@ -1,8 +1,25 @@
 class ReleasePostGenerator < Jekyll::Generator
   def generate(site)
     site.documents.each do |page|
-      next unless page.data["type"] == "releases"
+      next unless page.data.key?("release")
 
+      # Version numbers are either 0.a.b.c or a.b.c, and often c is 0. Drop c if it is 0
+      version = page.data["release"]
+      if ((version[0] == 0 and version.length == 4) or (version[0] > 0 and version.length == 3)) and version[-1] == 0
+        version = version[..-2]
+      end
+
+      version_str = version.join(".")
+
+      # Generate front matter
+      page.data["title"] = "Bitcoin Core #{version_str}"
+      lang = page.data.key?("lang") ? page.data["lang"] : "en"
+      page.data["name"] = "release-#{version_str}"
+      page.data["id"] = "#{lang}-#{page.data['name']}"
+      page.data["excerpt"] = site.data["translations"][lang]["release_excerpt"].sub("%version", version_str)
+      page.data["permalink"] = "/#{lang}/releases/#{version_str}/"
+
+      # Wrap the page with the download include and githubify
       page.content = "{% include download.html %}\n{% githubify https://github.com/bitcoin/bitcoin %}\n#{page.content}\n{% endgithubify %}"
     end
   end

_releases/en/0.11.0.md

@@ -1,9 +1,4 @@
 ---
-title: Bitcoin Core 0.11.0
-id: en-release-0.11.0
-name: release-0.11.0
-permalink: /en/releases/0.11.0/
-excerpt: Bitcoin Core version 0.11.0 is now available
 release: [0, 11, 0, 0]
 date: 2015-07-12
 ---

_releases/en/0.11.1.md

@@ -1,9 +1,4 @@
 ---
-title: Bitcoin Core 0.11.1
-id: en-release-0.11.1
-name: release-0.11.1
-permalink: /en/releases/0.11.1/
-excerpt: Bitcoin Core version 0.11.1 is now available
 release: [0, 11, 1, 0]
 date: 2015-10-15
 ---

_releases/en/0.11.2.md

@@ -1,9 +1,4 @@
 ---
-title: Bitcoin Core 0.11.2
-id: en-release-0.11.2
-name: release-0.11.2
-permalink: /en/releases/0.11.2/
-excerpt: Bitcoin Core version 0.11.2 is now available
 release: [0, 11, 2, 0]
 date: 2015-11-13
 ---

_releases/en/0.12.0.md

@@ -1,9 +1,4 @@
 ---
-title: Bitcoin Core 0.12.0
-id: en-release-0.12.0
-name: release-0.12.0
-permalink: /en/releases/0.12.0/
-excerpt: Bitcoin Core version 0.12.0 is now available
 release: [0, 12, 0, 0]
 date: 2016-02-23
 ---

_releases/en/0.12.1.md

@@ -1,9 +1,4 @@
 ---
-title: Bitcoin Core 0.12.1
-id: en-release-0.12.1
-name: release-0.12.1
-permalink: /en/releases/0.12.1/
-excerpt: Bitcoin Core version 0.12.1 is now available
 release: [0, 12, 1, 0]
 date: 2016-04-15
 ---

_releases/en/0.13.0.md

@@ -1,9 +1,4 @@
 ---
-title: Bitcoin Core 0.13.0
-id: en-release-0.13.0
-name: release-0.13.0
-permalink: /en/releases/0.13.0/
-excerpt: Bitcoin Core version 0.13.0 is now available
 release: [0, 13, 0, 0]
 date: 2016-08-23
 

_releases/en/0.13.1.md

@@ -1,9 +1,4 @@
 ---
-title: Bitcoin Core 0.13.1
-id: en-release-0.13.1
-name: release-0.13.1
-permalink: /en/releases/0.13.1/
-excerpt: Bitcoin Core version 0.13.1 is now available
 release: [0, 13, 1, 0]
 date: 2016-10-27
 

_releases/en/0.13.2.md

@@ -1,9 +1,4 @@
 ---
-title: Bitcoin Core 0.13.2
-id: en-release-0.13.2
-name: release-0.13.2
-permalink: /en/releases/0.13.2/
-excerpt: Bitcoin Core version 0.13.2 is now available
 release: [0, 13, 2, 0]
 date: 2017-01-03