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authorLudovic Courtès <ludo@gnu.org>2015-03-21 23:13:02 +0100
committerLudovic Courtès <ludo@gnu.org>2015-03-22 23:18:28 +0100
commit2924f0d6ce180a9d09eab994efb6a60c61fab3fd (patch)
tree7a89f9f067a131d8ca3f0f9d9d1bf2f77ef77c82 /guix/gexp.scm
parenta9a8f0637dc82788ead8f1a6cc02a524464285a6 (diff)
downloadgnu-guix-2924f0d6ce180a9d09eab994efb6a60c61fab3fd.tar
gnu-guix-2924f0d6ce180a9d09eab994efb6a60c61fab3fd.tar.gz
gexp: Add identity compiler for derivations.
* guix/gexp.scm (derivation-compiler): New procedure. (lower-inputs): Remove 'derivation?' case. (gexp-inputs)[add-reference-inputs]: Likewise. (gexp->sexp)[reference->sexp]: Likewise.
Diffstat (limited to 'guix/gexp.scm')
-rw-r--r--guix/gexp.scm13
1 files changed, 7 insertions, 6 deletions
diff --git a/guix/gexp.scm b/guix/gexp.scm
index f8646a081c..4a2a924a03 100644
--- a/guix/gexp.scm
+++ b/guix/gexp.scm
@@ -127,6 +127,12 @@ cross-compiling.)"
body ...)))
(register-compiler! name)))
+(define-gexp-compiler (derivation-compiler (drv derivation?) system target)
+ ;; Derivations are the lowest-level representation, so this is the identity
+ ;; compiler.
+ (with-monad %store-monad
+ (return drv)))
+
;;;
;;; Inputs & outputs.
@@ -165,8 +171,6 @@ the cross-compilation target triplet."
(with-monad %store-monad
(sequence %store-monad
(map (match-lambda
- ((and ((? derivation?) sub-drv ...) input)
- (return input))
((and ((? struct? thing) sub-drv ...) input)
(mlet* %store-monad ((lower -> (lookup-compiler thing))
(drv (lower thing system target)))
@@ -262,6 +266,7 @@ The other arguments are as for 'derivation'."
(define (graphs-file-names graphs)
;; Return a list of (FILE-NAME . STORE-PATH) pairs made from GRAPHS.
(map (match-lambda
+ ;; TODO: Remove 'derivation?' special cases.
((file-name (? derivation? drv))
(cons file-name (derivation->output-path drv)))
((file-name (? derivation? drv) sub-drv)
@@ -348,8 +353,6 @@ The other arguments are as for 'derivation'."
references."
(define (add-reference-inputs ref result)
(match ref
- (($ <gexp-input> (? derivation? drv) output)
- (cons `(,drv ,output) result))
(($ <gexp-input> (? gexp? exp))
(append (gexp-inputs exp references) result))
(($ <gexp-input> (? string? str))
@@ -411,8 +414,6 @@ and in the current monad setting (system type, etc.)"
(define* (reference->sexp ref #:optional native?)
(with-monad %store-monad
(match ref
- (($ <gexp-input> (? derivation? drv) output)
- (return (derivation->output-path drv output)))
(($ <gexp-output> output)
;; Output file names are not known in advance but the daemon defines
;; an environment variable for each of them at build time, so use