gnu: Add arcanist.

* gnu/packages/phabricator.scm: New file.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add it.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

gnu/local.mk

@@ -348,6 +348,7 @@ GNU_SYSTEM_MODULES =				\
   %D%/packages/perl-check.scm			\
   %D%/packages/perl-web.scm			\
   %D%/packages/photo.scm			\
+  %D%/packages/phabricator.scm 			\
   %D%/packages/php.scm				\
   %D%/packages/pkg-config.scm			\
   %D%/packages/plotutils.scm			\

gnu/packages/phabricator.scm

@@ -0,0 +1,124 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2018 Robin Templeton <robin@igalia.com>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (gnu packages phabricator)
+  #:use-module (gnu packages php)
+  #:use-module (gnu packages version-control)
+  #:use-module (guix build-system gnu)
+  #:use-module (guix git-download)
+  #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (guix packages))
+
+(define-public libphutil
+  (let ((commit "b29d76e1709ef018cc5edc7c03033fd9fdebc578")
+        (revision "1"))
+    (package
+      (name "libphutil")
+      (version (git-version "0.0.0" revision commit))
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url "https://github.com/phacility/libphutil.git")
+                      (commit commit)))
+                (file-name (git-file-name name version))
+                (sha256
+                 (base32
+                  "06j84721r9r8624fmil62b5crs2qs0v6rr3cvv2zvkvwhxwrwv1l"))))
+      (build-system gnu-build-system)
+      ;; TODO: Unbundle jsonlint and porter-stemmer.
+      (arguments
+       '(#:tests? #f
+         #:phases
+         (modify-phases %standard-phases
+           (delete 'configure)
+           (delete 'build)
+           (replace 'install
+             (lambda _
+               (let ((lib (string-append %output "/lib/libphutil")))
+                 (mkdir-p lib)
+                 (copy-recursively "." lib))
+               #t)))))
+      (inputs
+       `(("php" ,php)))
+      (home-page "https://github.com/phacility/libphutil")
+      (synopsis "PHP utility library")
+      (description
+       "@code{libphutil} is a collection of utility classes and functions for
+PHP.")
+      ;; Bundled libraries are expat-licensed.
+      (license (list license:asl2.0 license:expat)))))
+
+(define-public arcanist
+  (let ((commit "45a8d22c74a62624e69f5cd6ce901c9ab2658904")
+        (revision "1"))
+    (package
+      (name "arcanist")
+      (version (git-version "0.0.0" revision commit))
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url "https://github.com/phacility/arcanist.git")
+                      (commit commit)))
+                (file-name (git-file-name name version))
+                (sha256
+                 (base32
+                  "13vswhqy9sap6841y93j4mj71dl27vhcivcn3rzyi0cchkhg2ac9"))))
+      (build-system gnu-build-system)
+      (arguments
+       '(#:tests? #f
+         #:phases
+         (modify-phases %standard-phases
+           (delete 'configure)
+           (delete 'build)
+           (replace 'install
+             (lambda _
+               (let ((bin (string-append %output "/bin"))
+                     (lib (string-append %output "/lib/arcanist")))
+                 (mkdir-p lib)
+                 (copy-recursively "." lib)
+                 (mkdir-p bin)
+                 (symlink (string-append lib "/bin/arc")
+                          (string-append bin "/arc"))
+                 (wrap-program (string-append bin "/arc")
+                   `("ARC_PHUTIL_PATH" =
+                     (,(string-append (assoc-ref %build-inputs "libphutil")
+                                      "/lib/libphutil")))
+                   `("PATH" ":" prefix
+                     (,@(map (lambda (i)
+                               (string-append (assoc-ref %build-inputs i) "/bin"))
+                             '("git" "mercurial" "subversion"))))))
+               #t))
+           (add-before 'reset-gzip-timestamps 'make-compressed-files-writable
+             (lambda _
+               (for-each make-file-writable
+                         (find-files %output ".*\\.t?gz$"))
+               #t)))))
+      (inputs
+       `(("php" ,php)
+         ("libphutil" ,libphutil)
+         ("git" ,git)
+         ("mercurial" ,mercurial)
+         ("subversion" ,subversion)))
+      (home-page "https://github.com/phacility/arcanist")
+      (synopsis "Command-line interface for Phabricator")
+      (description
+       "Arcanist is the command-line tool for the Phabricator software
+development service.  It allows you to interact with Phabricator installs to
+send code for review, download patches, transfer files, view status, make API
+calls, and various other things.")
+      (license license:asl2.0))))