From 5ebea76900e7362aa7d70633f027e08dcb12853b Mon Sep 17 00:00:00 2001
From: Gabriel Arazas <foodogsquared@foodogsquared.one>
Date: Sat, 28 Oct 2023 18:11:28 +0800
Subject: [PATCH] Allow git-blob-include-processor to discover other repos

Massive oversight over here which I forgot to update when moving it in
its own repo. Whoops.
---
 lib/asciidoctor/git-blob-include-processor/README.adoc  | 3 +++
 lib/asciidoctor/git-blob-include-processor/extension.rb | 3 ++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/asciidoctor/git-blob-include-processor/README.adoc b/lib/asciidoctor/git-blob-include-processor/README.adoc
index 6dfbe75..4e81054 100644
--- a/lib/asciidoctor/git-blob-include-processor/README.adoc
+++ b/lib/asciidoctor/git-blob-include-processor/README.adoc
@@ -23,6 +23,9 @@ If the resulting operation ends in an error (i.e., non-existing revision, file,
 
 == Attributes
 
+- `gitrepo` is the path to the Git repo.
+By default, it is the base directory of the document.
+
 - `path` is the filepath to be retrieved from the revision.
 When used with `diff`, it changes into a semicolon-delimited (`;`) list of files to make diffs with multiple files.
 
diff --git a/lib/asciidoctor/git-blob-include-processor/extension.rb b/lib/asciidoctor/git-blob-include-processor/extension.rb
index 0ea2040..a8301c0 100644
--- a/lib/asciidoctor/git-blob-include-processor/extension.rb
+++ b/lib/asciidoctor/git-blob-include-processor/extension.rb
@@ -8,7 +8,8 @@ class GitBlobIncludeProcessor < Asciidoctor::Extensions::IncludeProcessor
   end
 
   def process(doc, reader, target, attrs)
-    repo = Rugged::Repository.discover(__dir__)
+    attrs['gitrepo'] ||= doc.base_dir
+    repo = Rugged::Repository.discover(attrs['gitrepo'])
 
     git_object_ref = target.delete_prefix 'git:'
     git_object_ref = doc.attributes['doccontentref'] if git_object_ref.empty?