2 files changed, 33 insertions(+), 0 deletions(-)

M guix/packages.scm
M tests/packages.scm

@@ 89,6 89,7 @@
             package-transitive-target-inputs
             package-transitive-native-inputs
             package-transitive-propagated-inputs
+            package-transitive-native-search-paths
             package-transitive-supported-systems
             package-source-derivation
             package-derivation


@@ 632,6 633,17 @@ for the host system (\"native inputs\"), and not target inputs."
 recursively."
   (transitive-inputs (package-propagated-inputs package)))
 
+(define (package-transitive-native-search-paths package)
+  "Return the list of search paths for PACKAGE and its propagated inputs,
+recursively."
+  (append (package-native-search-paths package)
+          (append-map (match-lambda
+                        ((label (? package? p) _ ...)
+                         (package-native-search-paths p))
+                        (_
+                         '()))
+                      (package-transitive-propagated-inputs package))))
+
 (define (transitive-input-references alist inputs)
   "Return a list of (assoc-ref ALIST <label>) for each (<label> <package> . _)
 in INPUTS and their transitive propagated inputs."

@@ 29,6 29,7 @@
   #:use-module (guix hash)
   #:use-module (guix derivations)
   #:use-module (guix packages)
+  #:use-module (guix search-paths)
   #:use-module (guix build-system)
   #:use-module (guix build-system trivial)
   #:use-module (guix build-system gnu)


@@ 504,6 505,26 @@
            (equal? x (collect (package-derivation %store b)))
            (equal? x (collect (package-derivation %store c)))))))
 
+(test-assert "package-transitive-native-search-paths"
+  (let* ((sp (lambda (name)
+               (list (search-path-specification
+                      (variable name)
+                      (files '("foo/bar"))))))
+         (p0 (dummy-package "p0" (native-search-paths (sp "PATH0"))))
+         (p1 (dummy-package "p1" (native-search-paths (sp "PATH1"))))
+         (p2 (dummy-package "p2"
+               (native-search-paths (sp "PATH2"))
+               (inputs `(("p0" ,p0)))
+               (propagated-inputs `(("p1" ,p1)))))
+         (p3 (dummy-package "p3"
+               (native-search-paths (sp "PATH3"))
+               (native-inputs `(("p0" ,p0)))
+               (propagated-inputs `(("p2" ,p2))))))
+    (lset= string=?
+           '("PATH1" "PATH2" "PATH3")
+           (map search-path-specification-variable
+                (package-transitive-native-search-paths p3)))))
+
 (test-assert "package-cross-derivation"
   (let ((drv (package-cross-derivation %store (dummy-package "p")
                                        "mips64el-linux-gnu")))