status: Don't display download URLs for '--verbosity=1'.

With this change, each substitute occupies a single line of
output (instead of two) when using '-v1', the default for 'guix package'
& co.

* guix/status.scm (print-build-event): Add #:print-urls? and honor it.
(print-build-event/quiet): Pass #:print-urls? #f.
(print-build-event/quiet-with-urls): New procedure.
(logger-for-level): Add case for LEVEL 2.
* doc/guix.texi (Common Build Options): Adjust '--verbosity'
documentation.

1 files changed, 4 insertions, 3 deletions

diff --git a/doc/guix.texi b/doc/guix.texi
index 642d886ce0..af8a5149d8 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -10264,9 +10264,10 @@ guix-daemon, @option{--timeout}}).
 @cindex build logs, verbosity
 @item -v @var{level}
 @itemx --verbosity=@var{level}
-Use the given verbosity @var{level}, an integer.  Choosing 0 means that no
-output is produced, 1 is for quiet output, and 2 shows all the build log
-output on standard error.
+Use the given verbosity @var{level}, an integer.  Choosing 0 means that
+no output is produced, 1 is for quiet output; 2 is similar to 1 but it
+additionally displays download URLs; 3 shows all the build log output on
+standard error.
 
 @item --cores=@var{n}
 @itemx -c @var{n}