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author | Ludovic Courtès <ludo@gnu.org> | 2021-05-28 10:53:49 +0200 |
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committer | Ludovic Courtès <ludo@gnu.org> | 2021-05-28 11:36:02 +0200 |
commit | 681af1fb78a735b51dc811aed770b2948212c3fc (patch) | |
tree | 9c033b89bb1865362b0329c679eb01a677ed9499 /guix/scripts/build.scm | |
parent | 7243a8c7ecf1421183d01cbd4631191a861376a4 (diff) |
scripts: Commands warn when passed zero arguments.
This is a followup to 3f8326237df780404c172ef4127195cc20becd66.
* guix/scripts/archive.scm (export-from-store): Warn then FILES is
empty.
* guix/scripts/build.scm (guix-build): Likewise.
* guix/scripts/copy.scm (warn-if-empty): New procedure.
(send-to-remote-host, retrieve-from-remote-host): Call it.
* guix/scripts/edit.scm (guix-edit): Warn when SPECS is empty.
* guix/scripts/environment.scm (guix-environment): Warn when MANIFEST
has zero entries.
* guix/scripts/graph.scm (guix-graph): Warn then ITEMS is empty.
* guix/scripts/package.scm (process-actions): Warn when FILES and TRANS
are both empty.
Diffstat (limited to 'guix/scripts/build.scm')
-rw-r--r-- | guix/scripts/build.scm | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/guix/scripts/build.scm b/guix/scripts/build.scm index 2decdb45ed..f2b8ca135e 100644 --- a/guix/scripts/build.scm +++ b/guix/scripts/build.scm @@ -679,6 +679,9 @@ needed." (_ #f)) opts))) + (when (null? items) + (warning (G_ "no arguments specified, nothing to build~%"))) + (cond ((assoc-ref opts 'log-file?) ;; Pass 'show-build-log' the output file names, not the ;; derivation file names, because there can be several |