From 66bc1d2aaf74fc7eb4ef9b3519c69bd37142ffb3 Mon Sep 17 00:00:00 2001
From: Jan Nieuwenhuizen <janneke@gnu.org>
Date: Sat, 16 Sep 2017 12:57:37 +0200
Subject: cuirass: Add gnu-system build spec.

* build-aux/hydra/gnu-system.scm (hydra-jobs): Support subset "hello".
* build-aux/cuirass/gnu-system.scm: New file.
* doc/guix.texi (Continuous Integration): Update example spec.
---
 build-aux/cuirass/gnu-system.scm | 47 ++++++++++++++++++++++++++++++++++++++++
 build-aux/hydra/gnu-system.scm   |  7 ++++++
 doc/guix.texi                    | 11 ++--------
 3 files changed, 56 insertions(+), 9 deletions(-)
 create mode 100644 build-aux/cuirass/gnu-system.scm

diff --git a/build-aux/cuirass/gnu-system.scm b/build-aux/cuirass/gnu-system.scm
new file mode 100644
index 0000000000..c88267b9d8
--- /dev/null
+++ b/build-aux/cuirass/gnu-system.scm
@@ -0,0 +1,47 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2017 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;
+;;; 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/>.
+
+;;;
+;;; This file defines build jobs for the Cuirass continuation integration
+;;; tool.
+;;;
+
+(include-from-path "build-aux/hydra/gnu-system.scm")
+
+(use-modules ((guix licenses)
+              #:select (license? license-name license-uri license-comment)))
+
+(define (cuirass-jobs store arguments)
+  "Return Cuirass jobs."
+  (map hydra-job->cuirass-job (hydra-jobs store arguments)))
+
+(define (hydra-job->cuirass-job hydra-job)
+  (let ((name (car hydra-job))
+        (job ((cdr hydra-job))))
+    (lambda _ (acons #:job-name (symbol->string name)
+                     (map symbol-alist-entry->keyword-alist-entry job)))))
+
+(define (symbol-alist-entry->keyword-alist-entry entry)
+  (cons (symbol->keyword (car entry)) (entry->sexp-entry (cdr entry))))
+
+(define (entry->sexp-entry o)
+  (match o
+    ((? license?) `((name . (license-name o))
+                    (uri . ,(license-uri o))
+                    (comment . ,(license-comment o))))
+    (_ o)))
diff --git a/build-aux/hydra/gnu-system.scm b/build-aux/hydra/gnu-system.scm
index 73bd566f7c..8f97ab934f 100644
--- a/build-aux/hydra/gnu-system.scm
+++ b/build-aux/hydra/gnu-system.scm
@@ -270,6 +270,7 @@ (define (hydra-jobs store arguments)
   (define subset
     (match (assoc-ref arguments 'subset)
       ("core" 'core)                              ; only build core packages
+      ("hello" 'hello)                            ; only build hello
       (_ 'all)))                                  ; build everything
 
   (define (cross-jobs system)
@@ -340,6 +341,12 @@ (define (either proc1 proc2 proc3)
                                                  package system))
                                   %core-packages)
                              (cross-jobs system)))
+                    ((hello)
+                     ;; Build hello package only.
+                     (if (string=? system (%current-system))
+                         (let ((hello (specification->package "hello")))
+                           (list (package-job store (job-name hello) hello system)))
+                         '()))
                     (else
                      (error "unknown subset" subset))))
                 %hydra-supported-systems)))
diff --git a/doc/guix.texi b/doc/guix.texi
index fff3fbd5fd..5a32476bd3 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -15367,15 +15367,8 @@ packages, as prescribed in the @file{gnu-system.scm} example spec:
 (let ((spec #~((#:name . "guix")
                (#:url . "git://git.savannah.gnu.org/guix.git")
                (#:load-path . ".")
-
-               ;; Here we must provide an absolute file name.
-               ;; We take jobs from one of the examples provided
-               ;; by Cuirass.
-               (#:file . #$(file-append
-                            cuirass
-                            "/tests/gnu-system.scm"))
-
-               (#:proc . hydra-jobs)
+               (#:file . "build-aux/cuirass/gnu-system.scm")
+               (#:proc . cuirass-jobs)
                (#:arguments (subset . "hello"))
                (#:branch . "master"))))
   (service cuirass-service-type
-- 
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