ci: Remove hydra support.

This removes hydra support to use Cuirass as the only continuous integration
system.

* build-aux/hydra/gnu-system.scm: Remove it.
* build-aux/hydra/guix-modular.scm: Ditto.
* build-aux/hydra/guix.scm: Ditto.
* build-aux/cuirass/hydra-to-cuirass.scm: Ditto.
* Makefile.am (EXTRA_DIST): Update it.
(hydra-jobs.scm): Remove it.
(cuirass-jobs.scm): Update it.
* build-aux/hydra/evaluate.scm: Move it to ...
* build-aux/cuirass/evaluate.scm: ... here.
* build-aux/cuirass/guix-modular.scm: Remove it.
* build-aux/cuirass/gnu-system.scm: Ditto.
* guix/packages.scm (%hydra-supported-systems): Rename it to ...
(%cuirass-supported-systems): ... this variable.
* build-aux/check-final-inputs-self-contained: Adapt it.
* etc/release-manifest.scm: Ditto.
* gnu/ci.scm (package->alist): Remove it.
(derivation->job): New procedure.
(package-job, package-cross-job, cross-jobs, image-jobs, system-test-jobs,
tarball-jobs): Use it.
(guix-jobs): New procedure.
(hydra-jobs): Rename it to ...
(cuirass-jobs): ... this procedure.

1 files changed, 0 insertions, 88 deletions

diff --git a/build-aux/hydra/gnu-system.scm b/build-aux/hydra/gnu-system.scm
deleted file mode 100644
index a03324daeb..0000000000
--- a/build-aux/hydra/gnu-system.scm
+++ /dev/null
@@ -1,88 +0,0 @@
-;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2020 Ludovic Courtès <ludo@gnu.org>
-;;; Copyright © 2017 Jan Nieuwenhuizen <janneke@gnu.org>
-;;; Copyright © 2018, 2019 Clément Lassieur <clement@lassieur.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 Hydra continuation integration
-;;; tool.
-;;;
-
-(use-modules (guix inferior) (guix channels)
-             (guix)
-             (guix ui)
-             (srfi srfi-1)
-             (ice-9 match))
-
-;; XXX: Debugging hack: since `hydra-eval-guile-jobs' redirects the output
-;; port to the bit bucket, let us write to the error port instead.
-(setvbuf (current-error-port) 'line)
-(set-current-output-port (current-error-port))
-
-(define (find-current-checkout arguments)
-  "Find the first checkout of ARGUMENTS that provided the current file.
-Return #f if no such checkout is found."
-  (let ((current-root
-         (canonicalize-path
-          (string-append (dirname (current-filename)) "/../.."))))
-    (find (lambda (argument)
-            (and=> (assq-ref argument 'file-name)
-                   (lambda (name)
-                     (string=? name current-root)))) arguments)))
-
-(define (hydra-jobs store arguments)
-  "Return a list of jobs where each job is a NAME/THUNK pair."
-
-  (define checkout
-    (find-current-checkout arguments))
-
-  (define commit
-    (assq-ref checkout 'revision))
-
-  (define source
-    (assq-ref checkout 'file-name))
-
-  (define instance
-    (checkout->channel-instance source #:commit commit))
-
-  (define derivation
-    ;; Compute the derivation of Guix for COMMIT.
-    (run-with-store store
-      (channel-instances->derivation (list instance))))
-
-  ;; TODO: Remove 'show-what-to-build' call when Cuirass' 'evaluate' scripts
-  ;; uses 'with-build-handler'.
-  (show-what-to-build store (list derivation))
-  (build-derivations store (list derivation))
-
-  ;; Open an inferior for the just-built Guix.
-  (let ((inferior (open-inferior (derivation->output-path derivation))))
-    (inferior-eval '(use-modules (gnu ci) (ice-9 match)) inferior)
-
-    (map (match-lambda
-           ((name . fields)
-            ;; Hydra expects a thunk, so here it is.
-            (cons name (lambda () fields))))
-         (inferior-eval-with-store
-          inferior store
-          `(lambda (store)
-             (map (match-lambda
-                    ((name . thunk)
-                     (cons name (thunk))))
-                  (hydra-jobs store '((superior-guix-checkout . ,checkout)
-                                      ,@arguments))))))))