size: Add '--sort=KEY'.

* guix/scripts/size.scm (profile-closure<?, profile-self<?): New
procedures.
(display-profile): Add #:profile<? parameter and honor it.
(show-help, %options): Add '--sort'.
(%default-options): Add 'profile<?'.
(guix-size): Pass PROFILE<? to 'display-profile*'.
* doc/guix.texi (Invoking guix size): Document '--sort'.

1 files changed, 10 insertions, 0 deletions

diff --git a/doc/guix.texi b/doc/guix.texi
index 6cf20aa09f..dc764cc292 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -6338,6 +6338,16 @@ The available options are:
 Use substitute information from @var{urls}.
 @xref{client-substitute-urls, the same option for @code{guix build}}.
 
+@item --sort=@var{key}
+Sort lines according to @var{key}, one of the following options:
+
+@table @code
+@item closure
+the total size of the item's closure (the default);
+@item self
+the size of each item.
+@end table
+
 @item --map-file=@var{file}
 Write a graphical map of disk usage in PNG format to @var{file}.