Merge branch 'master' into staging

3 files changed, 26 insertions, 25 deletions

diff --git a/guix/describe.scm b/guix/describe.scm
index c31199c9cd..00372bbed7 100644
--- a/guix/describe.scm
+++ b/guix/describe.scm
@@ -65,19 +65,28 @@ lives in, or #f if this is not applicable."
        (let ((manifest (profile-manifest profile)))
          (manifest-entries manifest))))))
 
-(define package-path-entries
+(define current-channel-entries
   (mlambda ()
-    "Return a list of package path entries to be added to the package search
-path.  These entries are taken from the 'guix pull' profile the calling
-process lives in, when applicable."
-    ;; Filter out Guix itself.
-    (filter-map (lambda (entry)
-                  (and (not (string=? (manifest-entry-name entry)
-                                      "guix"))
-                       (string-append (manifest-entry-item entry)
+    "Return manifest entries corresponding to extra channels--i.e., not the
+'guix' channel."
+    (remove (lambda (entry)
+              (string=? (manifest-entry-name entry) "guix"))
+            (current-profile-entries))))
+
+(define (package-path-entries)
+  "Return two values: the list of package path entries to be added to the
+package search path, and the list to be added to %LOAD-COMPILED-PATH.  These
+entries are taken from the 'guix pull' profile the calling process lives in,
+when applicable."
+  ;; Filter out Guix itself.
+  (unzip2 (map (lambda (entry)
+                 (list (string-append (manifest-entry-item entry)
                                       "/share/guile/site/"
-                                      (effective-version))))
-                (current-profile-entries))))
+                                      (effective-version))
+                       (string-append (manifest-entry-item entry)
+                                      "/lib/guile/" (effective-version)
+                                      "/site-ccache")))
+               (current-channel-entries))))
 
 (define (package-provenance package)
   "Return the provenance of PACKAGE as an sexp for use as the 'provenance'
diff --git a/guix/modules.scm b/guix/modules.scm
index 65928f67f2..1a6fafe35b 100644
--- a/guix/modules.scm
+++ b/guix/modules.scm
@@ -1,5 +1,5 @@
 ;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2016, 2017, 2018 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2016, 2017, 2018, 2019 Ludovic Courtès <ludo@gnu.org>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -112,7 +112,7 @@ depends on."
                  ".scm"))
 
 (define (guix-module-name? name)
-  "Return true if NAME (a list of symbols) denotes a Guix or GuixSD module."
+  "Return true if NAME (a list of symbols) denotes a Guix module."
   (match name
     (('guix _ ...) #t)
     (('gnu _ ...) #t)
diff --git a/guix/packages.scm b/guix/packages.scm
index 8515bb7c6f..f191327718 100644
--- a/guix/packages.scm
+++ b/guix/packages.scm
@@ -855,27 +855,19 @@ when CUT? returns true for a given package."
                                   #:optional (rewrite-name identity))
   "Return a procedure that, when passed a package, replaces its direct and
 indirect dependencies (but not its implicit inputs) according to REPLACEMENTS.
-REPLACEMENTS is a list of package pairs or a promise thereof; the first
-element of each pair is the package to replace, and the second one is the
-replacement.
+REPLACEMENTS is a list of package pairs; the first element of each pair is the
+package to replace, and the second one is the replacement.
 
 Optionally, REWRITE-NAME is a one-argument procedure that takes the name of a
 package and returns its new name after rewrite."
   (define (rewrite p)
-    (match (assq-ref (if (promise? replacements)
-                         (force replacements)
-                         replacements)
-                     p)
+    (match (assq-ref replacements p)
       (#f  (package
              (inherit p)
              (name (rewrite-name (package-name p)))))
       (new new)))
 
-  (package-mapping rewrite
-                   (lambda (package)
-                     (assq package (if (promise? replacements)
-                                       (force replacements)
-                                       replacements)))))
+  (package-mapping rewrite (cut assq <> replacements)))
 
 (define-syntax-rule (package/inherit p overrides ...)
   "Like (package (inherit P) OVERRIDES ...), except that the same