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size: Accept several arguments.

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* guix/scripts/size.scm (display-profile): Display WHOLE at then end.
(guix-size): Accept several FILES.
* doc/guix.texi (Invoking guix size): Add example with several items.
This commit is contained in:
Ludovic Courtès 2016-05-24 21:37:13 +02:00
parent a371aa225c
commit db761534df
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2 changed files with 25 additions and 7 deletions
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18
doc/guix.texi
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@ -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

14
guix/scripts/size.scm
View file

@ -91,7 +91,8 @@ (define MiB (expt 2 20))
(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 @@ (define (guix-size . args)
(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 @@ (define (guix-size . args)
#: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)))))))))