build: Add "build-aux/guix.scm".

* guix.scm: Delete.
* build-aux/guix-env: Likewise.
* build-aux/guix.scm: New file.
* configure.ac (AC_REQUIRE_AUX_FILE): Distribute it.
* README <Build Instructions>: Document it.

2 files changed, 88 insertions, 9 deletions

diff --git a/build-aux/guix-env b/build-aux/guix-env
deleted file mode 100755
index 67d88f0..0000000
--- a/build-aux/guix-env
+++ /dev/null
@@ -1,9 +0,0 @@
-#!/bin/sh
-# Build an environment that includes all the regular and development
-# dependencies of Cuirass.
-
-set -e -x
-guix environment --ad-hoc \
-  autoconf automake bash coreutils findutils gawk git grep \
-  guile guile-json guile-sqlite3 guix gzip less libgcrypt make \
-  perl pkg-config sed sqlite tar "$@"
diff --git a/build-aux/guix.scm b/build-aux/guix.scm
new file mode 100644
index 0000000..dc50361
--- /dev/null
+++ b/build-aux/guix.scm
@@ -0,0 +1,88 @@
+;;;; guix.scm -- Guix package definition
+;;; Copyright © 2016 Jan Nieuwenhuizen <janneke@gnu.org>
+;;; Copyright © 2016 Mathieu Lirzin <mthl@gnu.org>
+;;;
+;;; This file is part of Cuirass.
+;;;
+;;; Cuirass 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.
+;;;
+;;; Cuirass 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 Cuirass.  If not, see <http://www.gnu.org/licenses/>.
+
+(use-modules (ice-9 popen)
+             (ice-9 rdelim)
+             (gnu)
+             (guix)
+             (srfi srfi-1))
+
+(define (keep-cuirass-file? file stat)
+  ;; Return #t if FILE in Cuirass repository must be kept, #f otherwise. FILE
+  ;; is an absolute file name and STAT is the result of 'lstat' applied to
+  ;; FILE.
+  (not (or (any (λ (str) (string-contains file str))
+                '(".git" "autom4te" "Makefile.in" ".go" ".log"
+                  "stamp-vti" ".dirstamp"))
+           (any (λ (str) (string-suffix? str file))
+                '("trs""configure" "Makefile" "config.status" "pre-inst-env"
+                  "aclocal.m4" "bin/cuirass" "bin/evaluate" "config.cache"
+                  "guix.scm")))))
+
+(define %srcdir
+  (or (current-source-directory) "."))
+
+(define (git-version-gen)
+  ;; Return a string containing Cuirass version number.
+  (let* ((cmd  "git-version-gen .version")
+         (port (open-input-pipe (string-append %srcdir "/" cmd)))
+         (str  (read-line port)))
+    (close-pipe port)
+    str))
+
+(package
+  (inherit (specification->package "cuirass"))
+  (version (git-version-gen))
+  (source (local-file (dirname %srcdir) #:recursive? #t
+                      #:select? keep-cuirass-file?))
+  (arguments
+   '(#:phases
+     (modify-phases %standard-phases
+       (add-after 'unpack 'disable-repo-tests
+         ;; Disable tests that use a connection to the Guix daemon.
+         (λ _
+           (substitute* "Makefile.am"
+             (("tests/repo.scm \\\\") "\\"))
+           #t))
+       (add-before 'configure 'bootstrap
+         (λ _ (zero? (system* "sh" "bootstrap"))))
+       (add-after 'install 'wrap-program
+         (lambda* (#:key inputs outputs #:allow-other-keys)
+           ;; Wrap the 'cuirass' command to refer to the right modules.
+           (let* ((out    (assoc-ref outputs "out"))
+                  (json   (assoc-ref inputs "guile-json"))
+                  (sqlite (assoc-ref inputs "guile-sqlite3"))
+                  (guix   (assoc-ref inputs "guix"))
+                  (mods   (string-append json "/share/guile/site/2.0:"
+                                         sqlite "/share/guile/site/2.0:"
+                                         guix "/share/guile/site/2.0")))
+             (wrap-program (string-append out "/bin/cuirass")
+               `("GUILE_LOAD_PATH" ":" prefix (,mods))
+               `("GUILE_LOAD_COMPILED_PATH" ":" prefix (,mods)))))))))
+  (inputs
+   `(("guile" ,(specification->package "guile@2.0"))
+     ("guile-json" ,(specification->package "guile-json"))
+     ("guile-sqlite3" ,(specification->package "guile-sqlite3"))
+     ("guix" ,(specification->package "guix"))))
+  (native-inputs
+   `(("autoconf" ,(specification->package "autoconf"))
+     ("automake" ,(specification->package "automake"))
+     ("bash" ,(specification->package "bash"))
+     ("pkg-config" ,(specification->package "pkg-config"))
+     ("texinfo" ,(specification->package "texinfo")))))