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authorEric Bavier <bavier@member.fsf.org>2015-04-24 07:57:51 -0500
committerEric Bavier <bavier@member.fsf.org>2015-05-02 23:15:40 -0500
commitf77bcbc374bb94272c57508dc04fb8599b56a9d8 (patch)
tree0600ecce1018ce385941be46ec446fb4c04a305d /guix/packages.scm
parentf4bdfe7381e91c4a7eb71ef31ca889e36574b889 (diff)
guix: packages: Add package-direct-sources and package-transitive-sources.
* guix/tests.scm (dummy-origin): New syntax. * guix/packages.scm (package-direct-sources) (package-transitive-sources): New procedures. * tests/packages.scm ("package-direct-sources, no source") ("package-direct-sources, #f source") ("package-direct-sources, not input source", "package-direct-sources") ("package-transitive-sources"): Test them.
Diffstat (limited to 'guix/packages.scm')
-rw-r--r--guix/packages.scm24
1 files changed, 24 insertions, 0 deletions
diff --git a/guix/packages.scm b/guix/packages.scm
index b7a1979a7d..d7fced8384 100644
--- a/guix/packages.scm
+++ b/guix/packages.scm
@@ -83,6 +83,8 @@
package-location
package-field-location
+ package-direct-sources
+ package-transitive-sources
package-direct-inputs
package-transitive-inputs
package-transitive-target-inputs
@@ -540,6 +542,28 @@ IMPORTED-MODULES specify modules to use/import for use by SNIPPET."
((input rest ...)
(loop rest (cons input result))))))
+(define (package-direct-sources package)
+ "Return all source origins associated with PACKAGE; including origins in
+PACKAGE's inputs."
+ `(,@(or (and=> (package-source package) list) '())
+ ,@(filter-map (match-lambda
+ ((_ (? origin? orig) _ ...)
+ orig)
+ (_ #f))
+ (package-direct-inputs package))))
+
+(define (package-transitive-sources package)
+ "Return PACKAGE's direct sources, and their direct sources, recursively."
+ (delete-duplicates
+ (concatenate (filter-map (match-lambda
+ ((_ (? origin? orig) _ ...)
+ (list orig))
+ ((_ (? package? p) _ ...)
+ (package-direct-sources p))
+ (_ #f))
+ (bag-transitive-inputs
+ (package->bag package))))))
+
(define (package-direct-inputs package)
"Return all the direct inputs of PACKAGE---i.e, its direct inputs along
with their propagated inputs."