summaryrefslogtreecommitdiff
path: root/guix/scripts.scm
diff options
context:
space:
mode:
Diffstat (limited to 'guix/scripts.scm')
-rw-r--r--guix/scripts.scm34
1 files changed, 20 insertions, 14 deletions
diff --git a/guix/scripts.scm b/guix/scripts.scm
index bbee50bc3d..e4e53229b4 100644
--- a/guix/scripts.scm
+++ b/guix/scripts.scm
@@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2013, 2014, 2015 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2013, 2014, 2015, 2017 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2014 Deck Pickard <deck.r.pickard@gmail.com>
;;; Copyright © 2015, 2016 Alex Kost <alezost@gmail.com>
;;;
@@ -29,6 +29,7 @@
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-37)
#:use-module (ice-9 match)
+ #:use-module (ice-9 format)
#:export (args-fold*
parse-command-line
maybe-build
@@ -90,7 +91,8 @@ parameter of 'args-fold'."
(define* (maybe-build drvs
#:key dry-run? use-substitutes?)
"Show what will/would be built, and actually build DRVS, unless DRY-RUN? is
-true."
+true. Return #f when DRY-RUN? is true, and the list of store items actually
+built otherwise."
(with-monad %store-monad
(>>= (show-what-to-build* drvs
#:dry-run? dry-run?
@@ -112,12 +114,14 @@ Show what and how will/would be built."
(strip-keyword-arguments '(#:dry-run?) build-options))
(mlet %store-monad ((derivation (package->derivation
package #:graft? (and (not dry-run?)
- grafting?))))
- (mbegin %store-monad
- (maybe-build (list derivation)
- #:use-substitutes? use-substitutes?
- #:dry-run? dry-run?)
- (return (show-derivation-outputs derivation))))))
+ grafting?)))
+ (items (maybe-build (list derivation)
+ #:use-substitutes?
+ use-substitutes?
+ #:dry-run? dry-run?)))
+ (unless dry-run?
+ (format #t "~{~a~%~}" items))
+ (return (or dry-run? items)))))
(define* (build-package-source package
#:key dry-run? (use-substitutes? #t)
@@ -129,11 +133,13 @@ Show what and how will/would be built."
#:use-substitutes? use-substitutes?
(strip-keyword-arguments '(#:dry-run?) build-options))
(mlet %store-monad ((derivation (origin->derivation
- (package-source package))))
- (mbegin %store-monad
- (maybe-build (list derivation)
- #:use-substitutes? use-substitutes?
- #:dry-run? dry-run?)
- (return (show-derivation-outputs derivation))))))
+ (package-source package)))
+ (items (maybe-build (list derivation)
+ #:use-substitutes?
+ use-substitutes?
+ #:dry-run? dry-run?)))
+ (unless dry-run?
+ (format #t "~{~a~%~}" items))
+ (return (or dry-run? items)))))
;;; scripts.scm ends here