From 2defd13986e9e03fa9168862944f5655fe60a981 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Antoine=20Beaupr=C3=A9?= <anarcat@debian.org>
Date: Sun, 4 Sep 2016 23:02:58 -0400
Subject: [PATCH] support arbitrary source URLs

This allows the user to specify a different repository, possibly
outside of GitHub to link the "show source" to.

Closes: #87
---
 alabaster/layout.html | 5 +++++
 alabaster/theme.conf  | 1 +
 docs/changelog.rst    | 2 ++
 3 files changed, 8 insertions(+)

diff --git a/alabaster/layout.html b/alabaster/layout.html
index 459700f..257c668 100644
--- a/alabaster/layout.html
+++ b/alabaster/layout.html
@@ -51,9 +51,14 @@
       {% endif %}
       {%- if show_source and has_source and sourcename %}
       {% if show_copyright or theme_show_powered_by %}|{% endif %}
+      {%- if source_url_prefix %}
+      <a href="{{ source_url_prefix }}{{ pagename }}{{ source_suffix }}"
+          rel="nofollow">{{ _('Page source') }}</a>
+      {%- else %}
       <a href="{{ pathto('_sources/' + sourcename, true)|e }}"
           rel="nofollow">{{ _('Page source') }}</a>
       {%- endif %}
+      {%- endif %}
     </div>
 
     {% if theme_github_banner|lower != 'false' %}
diff --git a/alabaster/theme.conf b/alabaster/theme.conf
index b334015..7da3881 100644
--- a/alabaster/theme.conf
+++ b/alabaster/theme.conf
@@ -28,6 +28,7 @@ sidebar_includehidden = true
 sidebar_collapse = true
 show_powered_by = true
 show_related = false
+source_url_prefix =
 
 gray_1 = #444
 gray_2 = #EEE
diff --git a/docs/changelog.rst b/docs/changelog.rst
index 68b72a8..df04249 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -2,6 +2,8 @@
 Changelog
 =========
 
+* :feature:`87` Add support for arbitrary "edit source" link
+  targets. Credit: ``@anarcat``.
 * :support:`- backported` Miscellaneous project maintenance updates such as
   adding to Travis CI and enforcing the use of ``flake8``.
 * :feature:`110 backported` Add ``badge_branch`` option allowing