2 files changed, 10 insertions(+), 2 deletions(-)

M guix/profiles.scm
M tests/profiles.scm

@@ 331,8 331,8 @@ replace it."
        (let* ((pattern  (manifest-entry->pattern entry))
               (previous (manifest-lookup manifest pattern))
               (newer?   (and previous
-                             (version>? (manifest-entry-version entry)
-                                        (manifest-entry-version previous)))))
+                             (version>=? (manifest-entry-version entry)
+                                         (manifest-entry-version previous)))))
          (loop rest
                (if previous install (cons entry install))
                (if (and previous newer?)

@@ 169,6 169,14 @@
       (and (null? remove) (null? install) (null? upgrade)
            (equal? (list (cons guile-2.0.9 guile-1.8.8)) downgrade)))))
 
+(test-assert "manifest-transaction-effects and pseudo-upgrades"
+  (let* ((m0 (manifest (list guile-2.0.9)))
+         (t  (manifest-transaction (install (list guile-2.0.9)))))
+    (let-values (((remove install upgrade downgrade)
+                  (manifest-transaction-effects m0 t)))
+      (and (null? remove) (null? install) (null? downgrade)
+           (equal? (list (cons guile-2.0.9 guile-2.0.9)) upgrade)))))
+
 (test-assertm "profile-derivation"
   (mlet* %store-monad
       ((entry ->   (package->manifest-entry %bootstrap-guile))