[bug#30328] [PATCH] gnu: Add emacs-browse-at-remote-gnu.

[Oleg Pykhalov]

* gnu/packages/emacs.scm (emacs-browse-at-remote-gnu): New public variable.
* 
gnu/packages/patches/emacs-browse-at-remote-gnu-add-support-for-gnu-repositories.patch:
 New file.
* gnu/local.mk (dist_patch_DATA): Add this.
---
 gnu/local.mk                                       |  1 +
 gnu/packages/emacs.scm                             | 10 ++++
 ...mote-gnu-add-support-for-gnu-repositories.patch | 59 ++++++++++++++++++++++
 3 files changed, 70 insertions(+)
 create mode 100644 
gnu/packages/patches/emacs-browse-at-remote-gnu-add-support-for-gnu-repositories.patch

diff --git a/gnu/local.mk b/gnu/local.mk
index 6fdea16c8..088ddee85 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -617,6 +617,7 @@ dist_patch_DATA =                                           
\
   %D%/packages/patches/elfutils-tests-ptrace.patch             \
   %D%/packages/patches/elixir-disable-failing-tests.patch      \
   %D%/packages/patches/einstein-build.patch                    \
+  
%D%/packages/patches/emacs-browse-at-remote-gnu-add-support-for-gnu-repositories.patch
       \
   %D%/packages/patches/emacs-exec-path.patch                   \
   %D%/packages/patches/emacs-fix-scheme-indent-function.patch  \
   %D%/packages/patches/emacs-json-reformat-fix-tests.patch     \
diff --git a/gnu/packages/emacs.scm b/gnu/packages/emacs.scm
index 9523f14da..827469217 100644
--- a/gnu/packages/emacs.scm
+++ b/gnu/packages/emacs.scm
@@ -6470,6 +6470,16 @@ github/gitlab (or bitbucket) by calling 
@code{browse-at-remote} command.
 It supports dired buffers and opens them in tree mode at destination.")
       (license license:gpl3+))))
 
+(define-public emacs-browse-at-remote-gnu
+  (package
+    (inherit emacs-browse-at-remote)
+    (name "emacs-browse-at-remote-gnu")
+    (source
+     (origin
+       (inherit (package-source emacs-browse-at-remote))
+       (patches (search-patches "emacs-browse-at-remote-gnu\
+-add-support-for-gnu-repositories.patch"))))))
+
 (define-public emacs-tiny
   (package
     (name "emacs-tiny")
diff --git 
a/gnu/packages/patches/emacs-browse-at-remote-gnu-add-support-for-gnu-repositories.patch
 
b/gnu/packages/patches/emacs-browse-at-remote-gnu-add-support-for-gnu-repositories.patch
new file mode 100644
index 000000000..b90017fdb
--- /dev/null
+++ 
b/gnu/packages/patches/emacs-browse-at-remote-gnu-add-support-for-gnu-repositories.patch
@@ -0,0 +1,59 @@
+Copyright © 2018 Oleg Pykhalov <address@hidden>
+
+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 <address@hidden>
+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
+
-- 
2.15.1