From cef163c722c8af5fa7db2588cfbaf4b3a6fd1f55 Mon Sep 17 00:00:00 2001
From: Gabriel Arazas <foodogsquared@foodogsquared.one>
Date: Sat, 27 May 2023 17:24:17 +0800
Subject: [PATCH] Add Repology link inline macro

---
 lib/asciidoctor/foodogsquared-extensions.rb   |  3 +++
 .../repology-link-inline-macro/README.adoc    | 27 +++++++++++++++++++
 .../repology-link-inline-macro/extension.rb   | 18 +++++++++++++
 3 files changed, 48 insertions(+)
 create mode 100644 lib/asciidoctor/repology-link-inline-macro/README.adoc
 create mode 100644 lib/asciidoctor/repology-link-inline-macro/extension.rb

diff --git a/lib/asciidoctor/foodogsquared-extensions.rb b/lib/asciidoctor/foodogsquared-extensions.rb
index 788339c..72e744d 100644
--- a/lib/asciidoctor/foodogsquared-extensions.rb
+++ b/lib/asciidoctor/foodogsquared-extensions.rb
@@ -18,6 +18,7 @@ require_relative 'wikipedia-inline-macro/extension'
 require_relative 'package-indices-link-macro/extension'
 require_relative 'fdroid-link-inline-macro/extension'
 require_relative 'musicbrainz-link-inline-macro/extension'
+require_relative 'repology-link-inline-macro/extension'
 
 Asciidoctor::Extensions.register do
   inline_macro ManInlineMacro
@@ -43,4 +44,6 @@ Asciidoctor::Extensions.register do
   inline_macro FDroidLinkInlineMacro
 
   inline_macro MusicBrainzLinkInlineMacro
+
+  inline_macro RepologyLinkInlineMacro
 end
diff --git a/lib/asciidoctor/repology-link-inline-macro/README.adoc b/lib/asciidoctor/repology-link-inline-macro/README.adoc
new file mode 100644
index 0000000..fe39352
--- /dev/null
+++ b/lib/asciidoctor/repology-link-inline-macro/README.adoc
@@ -0,0 +1,27 @@
+= Repology link inline macro
+:toc:
+
+
+An inline macro for shorthands Repology links.
+
+
+== Synopsis
+
+[source, asciidoc]
+----
+repology:$PROJECT[$CAPTION]
+----
+
+Where...
+
+- `$PROJECT` is the project name listed in link:https://repology.org/projects/[Repology's project list].
+
+- `$CAPTION` is the link text to be used.
+By default, it will use the project name.
+
+
+== Example usage
+
+- `repology:beets[]` should link to the link:https://repology.org/project/beets/[Beets project page in Repology] with `beets` as the link text.
+
+- `repology:beets[widely available in Linux distributions]` is the same as the previous item but with the link text replaced to `widely available in Linux distributions`.
diff --git a/lib/asciidoctor/repology-link-inline-macro/extension.rb b/lib/asciidoctor/repology-link-inline-macro/extension.rb
new file mode 100644
index 0000000..41d4694
--- /dev/null
+++ b/lib/asciidoctor/repology-link-inline-macro/extension.rb
@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+class RepologyLinkInlineMacro < Asciidoctor::Extensions::InlineMacroProcessor
+  use_dsl
+
+  named :repology
+  name_positional_attributes 'caption'
+
+  def process(parent, target, attrs)
+    doc = parent.document
+    text = attrs['caption'] || target
+    url = %(https://repology.org/project/#{target})
+
+    doc.register :links, url
+
+    create_anchor parent, text, type: :link, target: url
+  end
+end