Copyright © 2018 Oleg Pykhalov <go.wigust@gmail.com>

This patch adds a support for Git repositories hosted on git.savannah.gnu.org.

Upstream bug URL:

https://github.com/rmuslimov/browse-at-remote/pull/46

From cd2ccdaef8b1d97337d790175f71cc3dbcfcff64 Mon Sep 17 00:00:00 2001
From: Oleg Pykhalov <go.wigust@gmail.com>
Date: Fri, 26 Jan 2018 00:05:30 +0300
Subject: [PATCH] Add support for repositories that are hosted on gnu cgit

---
 browse-at-remote.el | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/browse-at-remote.el b/browse-at-remote.el
index 66967b3..e210d18 100644
--- a/browse-at-remote.el
+++ b/browse-at-remote.el
@@ -44,7 +44,8 @@
 (defcustom browse-at-remote-remote-type-domains
   '(("bitbucket.org" ."bitbucket")
     ("github.com" . "github")
-    ("gitlab.com" . "gitlab"))
+    ("gitlab.com" . "gitlab")
+    ("git.savannah.gnu.org" . "gnu"))
   "Alist of domain patterns to remote types."
 
   :type '(alist :key-type (string :tag "Domain")
@@ -199,6 +200,24 @@ If HEAD is detached, return nil."
     (if (fboundp formatter)
         formatter nil)))
 
+(defun browse-at-remote-gnu-format-url (repo-url)
+  "Get a gnu formatted URL."
+  (replace-regexp-in-string
+   (concat "https://" (car (rassoc "gnu" browse-at-remote-remote-type-domains))
+           "/\\(git\\).*\\'")
+   "cgit" repo-url nil nil 1))
+
+(defun browse-at-remote--format-region-url-as-gnu (repo-url location filename &optional linestart lineend)
+  "URL formatter for gnu."
+  (let ((repo-url (browse-at-remote-gnu-format-url repo-url)))
+    (cond
+     (linestart (format "%s.git/tree/%s?h=%s#n%d" repo-url filename location linestart))
+     (t (format "%s.git/tree/%s?h=%s" repo-url filename location)))))
+
+(defun browse-at-remote--format-commit-url-as-gnu (repo-url commithash)
+  "Commit URL formatted for gnu"
+  (format "%s.git/commit/?id=%s" (browse-at-remote-gnu-format-url repo-url) commithash))
+
 (defun browse-at-remote--format-region-url-as-github (repo-url location filename &optional linestart lineend)
   "URL formatted for github."
   (cond
-- 
2.15.1

a href='/guix/log/gnu?id=95b707fb467efccbf5939b0ed41d22c5be4414dd'>gnu</a>/<a href='/guix/log/gnu/packages?id=95b707fb467efccbf5939b0ed41d22c5be4414dd'>packages</a>/<a href='/guix/log/gnu/packages/perl-web.scm?id=95b707fb467efccbf5939b0ed41d22c5be4414dd'>perl-web.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/packages/perl-web.scm?id=95b707fb467efccbf5939b0ed41d22c5be4414dd&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2018-06-24 10:27:07 +0300'>2018-06-24</span></td><td><a href='/guix/commit/gnu/packages/perl-web.scm?id=b341a56a7c087561cde7b29300fdae99ee2c697d'>gnu: perl-uri-escape: Update to 1.74.</a><span class='msg-avail'>...</span></td><td>Oleg Pykhalov</td></tr>
<tr><td><span title='2018-03-26 22:47:16 +0300'>2018-03-26</span></td><td><a href='/guix/commit/gnu/packages/perl-web.scm?id=e0de023eae9f98cb809a4866a84d85efaa262e56'>gnu: Add perl-uri-escape.</a><span class='msg-avail'>...</span></td><td>Oleg Pykhalov</td></tr>
<tr><td><span title='2017-12-23 23:57:56 +0100'>2017-12-23</span></td><td><a href='/guix/commit/gnu/packages/perl-web.scm?id=1360b6b55a039f4b88bd670f150e36b25ae419e3'>gnu: perl-mojolicious: Update to 7.59.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>