07/08: cuirass: Add job specs for the modular Guix.

[Ludovic Courtès]

civodul pushed a commit to branch wip-pull-multiple-derivations
in repository guix.

commit d94f7b73ae46c7085e585b00858f7a305055e830
Author: Ludovic Courtès <address@hidden>
Date:   Tue Mar 27 09:48:16 2018 +0200

    cuirass: Add job specs for the modular Guix.
    
    * build-aux/cuirass/guix-modular.scm: New file.
    * build-aux/hydra/guix-modular.scm (hydra-jobs): Define 'this-file' and
    use it when ARGUMENTS lacks the 'guix key.
    * Makefile.am (EXTRA_DIST): Add it.
---
 Makefile.am                        | 1 +
 build-aux/cuirass/guix-modular.scm | 6 ++++++
 build-aux/hydra/guix-modular.scm   | 8 +++++++-
 3 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/Makefile.am b/Makefile.am
index e630797..517322b 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -469,6 +469,7 @@ EXTRA_DIST =                                                
\
   build-aux/hydra/guix.scm                             \
   build-aux/hydra/guix-modular.scm                     \
   build-aux/cuirass/gnu-system.scm                     \
+  build-aux/cuirass/guix-modular.scm                   \
   build-aux/cuirass/hydra-to-cuirass.scm               \
   build-aux/check-available-binaries.scm               \
   build-aux/check-final-inputs-self-contained.scm      \
diff --git a/build-aux/cuirass/guix-modular.scm 
b/build-aux/cuirass/guix-modular.scm
new file mode 100644
index 0000000..50afabe
--- /dev/null
+++ b/build-aux/cuirass/guix-modular.scm
@@ -0,0 +1,6 @@
+;;;
+;;; This file defines Cuirass build jobs to build Guix itself.
+;;;
+
+(include-from-path "build-aux/hydra/guix-modular.scm")
+(include-from-path "build-aux/cuirass/hydra-to-cuirass.scm")
diff --git a/build-aux/hydra/guix-modular.scm b/build-aux/hydra/guix-modular.scm
index bdbb2fa..20deb7b 100644
--- a/build-aux/hydra/guix-modular.scm
+++ b/build-aux/hydra/guix-modular.scm
@@ -85,8 +85,14 @@ for SYSTEM.  Use VERSION as the version identifier."
       (_
        (list (%current-system)))))
 
+  (define this-file
+    (assq-ref (current-source-location) 'filename))
+
   (define guix-checkout
-    (assq-ref arguments 'guix))
+    (or (assq-ref arguments 'guix)                ;hydra
+        `((file-name . ,(string-append this-file  ;cuirass
+                                       "/../.."))
+          (revision . ,(assq-ref arguments #:current-commit)))))
 
   (define version
     (or (assq-ref guix-checkout 'revision)