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-rw-r--r--doc/guix.texi18
-rw-r--r--guix/scripts/size.scm14
2 files changed, 25 insertions, 7 deletions
diff --git a/doc/guix.texi b/doc/guix.texi
index d88cc256d7..1b47193e1f 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -5058,6 +5058,24 @@ reports information based on the available substitutes
(@pxref{Substitutes}). This makes it possible it to profile disk usage of
store items that are not even on disk, only available remotely.
+You can also specify several package names:
+
+@example
+$ guix size coreutils grep sed bash
+store item total self
+/gnu/store/@dots{}-coreutils-8.24 77.8 13.8 13.4%
+/gnu/store/@dots{}-grep-2.22 73.1 0.8 0.8%
+/gnu/store/@dots{}-bash-4.3.42 72.3 4.7 4.6%
+/gnu/store/@dots{}-readline-6.3 67.6 1.2 1.2%
+@dots{}
+total: 102.3 MiB
+@end example
+
+@noindent
+In this example we see that the combination of the four packages takes
+102.3@tie{}MiB in total, which is much less than the sum of each closure
+since they have a lot of dependencies in common.
+
The available options are:
@table @option
diff --git a/guix/scripts/size.scm b/guix/scripts/size.scm
index 8a7974729b..843213834e 100644
--- a/guix/scripts/size.scm
+++ b/guix/scripts/size.scm
@@ -91,7 +91,8 @@ if ITEM is not in the store."
(sort profile
(match-lambda*
((($ <profile> _ _ total1) ($ <profile> _ _ total2))
- (> total1 total2)))))))
+ (> total1 total2)))))
+ (format port (_ "total: ~,1f MiB~%") (/ whole MiB 1.))))
(define display-profile*
(lift display-profile %store-monad))
@@ -280,7 +281,7 @@ Report the size of PACKAGE and its dependencies.\n"))
(match files
(()
(leave (_ "missing store item argument\n")))
- ((file)
+ ((files ..1)
(leave-on-EPIPE
;; Turn off grafts because (1) hydra.gnu.org does not serve grafted
;; packages, and (2) they do not make any difference on the
@@ -292,13 +293,12 @@ Report the size of PACKAGE and its dependencies.\n"))
#:substitute-urls urls)
(run-with-store store
- (mlet* %store-monad ((item (ensure-store-item file))
- (profile (store-profile (list item))))
+ (mlet* %store-monad ((items (mapm %store-monad
+ ensure-store-item files))
+ (profile (store-profile items)))
(if map-file
(begin
(profile->page-map profile map-file)
(return #t))
(display-profile* profile)))
- #:system system)))))
- ((files ...)
- (leave (_ "too many arguments\n")))))))
+ #:system system)))))))))