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authorLudovic Courtès <ludo@gnu.org>2019-05-21 14:49:58 +0200
committerLudovic Courtès <ludo@gnu.org>2019-05-22 00:09:41 +0200
commit3f8326237df780404c172ef4127195cc20becd66 (patch)
treed2b60b70a0c7732b29a2db4f726acda17528c3bb /guix/scripts
parentfd214f1522063905021a297dab1ac4d85d94ad83 (diff)
pack: Warn when building an empty pack.
* guix/scripts/pack.scm (guix-pack): Warn when MANIFEST has zero entries.
Diffstat (limited to 'guix/scripts')
-rw-r--r--guix/scripts/pack.scm3
1 files changed, 3 insertions, 0 deletions
diff --git a/guix/scripts/pack.scm b/guix/scripts/pack.scm
index 58c6ac6148..c17b374330 100644
--- a/guix/scripts/pack.scm
+++ b/guix/scripts/pack.scm
@@ -891,6 +891,9 @@ Create a bundle of PACKAGE.\n"))
(localstatedir? (assoc-ref opts 'localstatedir?))
(profile-name (assoc-ref opts 'profile-name))
(gc-root (assoc-ref opts 'gc-root)))
+ (when (null? (manifest-entries manifest))
+ (warning (G_ "no packages specified; building an empty pack~%")))
+
(run-with-store store
(mlet* %store-monad ((profile (profile-derivation
manifest