gnu: Add gitolite.

* gnu/packages/version-control.scm (gitolite): New variable.
* gnu/packages/patches/gitolite-openssh-6.8-compat.patch: New file.
* gnu-system.am (dist_patch_DATA): Add it.

gnu-system.am

@@ -422,6 +422,7 @@ dist_patch_DATA =						\
   gnu/packages/patches/gcc-cross-environment-variables.patch	\
   gnu/packages/patches/geoclue-config.patch			\
   gnu/packages/patches/ghostscript-runpath.patch		\
+  gnu/packages/patches/gitolite-openssh-6.8-compat.patch	\
   gnu/packages/patches/glib-tests-desktop.patch			\
   gnu/packages/patches/glib-tests-homedir.patch			\
   gnu/packages/patches/glib-tests-prlimit.patch			\

gnu/packages/patches/gitolite-openssh-6.8-compat.patch

@@ -0,0 +1,25 @@
+From ed807a40c6683960e357bc995b3acf721ec088b4 Mon Sep 17 00:00:00 2001
+From: Sitaram Chamarty <sitaram@atc.tcs.com>
+Date: Thu, 19 Mar 2015 05:17:59 +0530
+Subject: [PATCH] openssh 6.8 compat
+
+---
+ src/triggers/post-compile/ssh-authkeys | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/triggers/post-compile/ssh-authkeys b/src/triggers/post-compile/ssh-authkeys
+index 84dda73..d5f5d8b 100755
+--- a/src/triggers/post-compile/ssh-authkeys
++++ b/src/triggers/post-compile/ssh-authkeys
+@@ -115,7 +115,7 @@ sub fp_file {
+     my $f  = shift;
+     my $fp = `ssh-keygen -l -f '$f'`;
+     chomp($fp);
+-    _die "fingerprinting failed for '$f'" unless $fp =~ /([0-9a-f][0-9a-f](:[0-9a-f][0-9a-f])+)/;
++    _die "fingerprinting failed for '$f'" unless $fp =~ /([0-9a-f][0-9a-f](:[0-9a-f][0-9a-f])+)/ or $fp =~ m(SHA256:([A-ZA-z0-9+/]+));
+     $fp = $1;
+     return $fp;
+ }
+--
+2.2.1
+

gnu/packages/version-control.scm

@@ -48,6 +48,7 @@ (define-module (gnu packages version-control)
   #:use-module (gnu packages nano)
   #:use-module (gnu packages ncurses)
   #:use-module (gnu packages openssl)
+  #:use-module (gnu packages ssh)
   #:use-module (gnu packages perl)
   #:use-module (gnu packages pkg-config)
   #:use-module (gnu packages python)
@@ -401,6 +402,65 @@ (define-public git-test-sequence
 also walk each side of a merge and test those changes individually.")
       (license (x11-style "file://LICENSE")))))
 
+(define-public gitolite
+  (package
+    (name "gitolite")
+    (version "3.6.2")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/sitaramc/gitolite/archive/v"
+                    version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              ;; Commit ed807a4 upstream
+              (patches
+               (list (search-patch "gitolite-openssh-6.8-compat.patch")))
+              (sha256
+               (base32
+                "1gsgzi9ayb4rablki3mqr11b0h8db4xg43df660marfpacmkfb01"))))
+    (build-system gnu-build-system)
+    (arguments
+     '(#:tests? #f ; no tests
+       #:phases (modify-phases %standard-phases
+                  (delete 'configure)
+                  (delete 'build)
+                  (add-before 'install 'patch-scripts
+                    (lambda* (#:key inputs #:allow-other-keys)
+                      (let ((perl (string-append (assoc-ref inputs "perl")
+                                                 "/bin/perl")))
+                        ;; This seems to take care of every shell script that
+                        ;; invokes Perl.
+                        (substitute* (find-files "." ".*")
+                          ((" perl -")
+                           (string-append " " perl " -"))))))
+                  (replace 'install
+                    (lambda* (#:key outputs #:allow-other-keys)
+                      (let* ((output (assoc-ref outputs "out"))
+                             (sharedir (string-append output "/share/gitolite"))
+                             (bindir (string-append output "/bin")))
+                        (mkdir-p sharedir)
+                        (mkdir-p bindir)
+                        (system* "./install" "-to" sharedir)
+                        ;; Create symlinks for executable scripts in /bin.
+                        (for-each (lambda (script)
+                                    (symlink (string-append sharedir "/" script)
+                                             (string-append bindir "/" script)))
+                                  '("gitolite" "gitolite-shell"))
+                        #t))))))
+    (inputs
+     `(("perl" ,perl)))
+    ;; git and openssh are propagated because trying to patch the source via
+    ;; regexp matching is too brittle and prone to false positives.
+    (propagated-inputs
+     `(("git" ,git)
+       ("openssh" ,openssh)))
+    (home-page "http://gitolite.com")
+    (synopsis "Git access control layer")
+    (description
+     "Gitolite is an access control layer on top of Git, providing fine access
+control to Git repositories.")
+    (license gpl2)))
+
 (define-public mercurial
   (package
     (name "mercurial")