size: Add '--map-file' option.
* guix/scripts/size.scm (profile->page-map): New procedures. (show-help, %options): Add --map-file. (guix-size): Honor it. * doc/guix.texi (Invoking guix size): Document it. * doc/images/coreutils-size-map.png: New file. * doc.am (dist_infoimage_DATA): Add it.master
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@ -40,7 +40,9 @@ doc/os-config-%.texi: gnu/system/examples/%.tmpl
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cp "$<" "$@"
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infoimagedir = $(infodir)/images
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dist_infoimage_DATA = doc/images/bootstrap-graph.png
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dist_infoimage_DATA = \
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doc/images/bootstrap-graph.png \
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doc/images/coreutils-size-map.png
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# Try hard to obtain an image size and aspect that's reasonable for inclusion
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# in an Info or PDF document.
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@ -4038,10 +4038,23 @@ reports information based on information about the available substitutes
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(@pxref{Substitutes}). This allows it to profile disk usage of store
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items that are not even on disk, only available remotely.
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A single option is available:
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The available options are:
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@table @option
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@item --map-file=@var{file}
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Write to @var{file} a graphical map of disk usage as a PNG file.
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For the example above, the map looks like this:
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@image{images/coreutils-size-map,5in,, map of Coreutils disk usage
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produced by @command{guix size}}
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This option requires that
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@uref{http://wingolog.org/software/guile-charting/, Guile-Charting} be
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installed and visible in Guile's module search path. When that is not
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the case, @command{guix size} fails as it tries to load it.
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@item --system=@var{system}
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@itemx -s @var{system}
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Consider packages for @var{system}---e.g., @code{x86_64-linux}.
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@ -183,6 +183,45 @@ as \"guile:debug\" or \"gcc-4.8\" and return its store file name."
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;; substitute meta-data.
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(return (derivation->output-path drv output)))))))
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;;;
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;;; Charts.
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;;;
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;; Autoload Guile-Charting.
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;; XXX: Use this hack instead of #:autoload to avoid compilation errors.
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;; See <http://bugs.gnu.org/12202>.
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(module-autoload! (current-module)
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'(charting) '(make-page-map))
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(define (profile->page-map profiles file)
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"Write a 'page map' chart of PROFILES, a list of <profile> objects, to FILE,
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the name of a PNG file."
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(define (strip name)
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(string-drop name (+ (string-length (%store-prefix)) 28)))
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(define data
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(fold2 (lambda (profile result offset)
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(match profile
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(($ <profile> name self)
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(let ((self (inexact->exact
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(round (/ self (expt 2. 10))))))
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(values `((,(strip name) ,offset . ,self)
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,@result)
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(+ offset self))))))
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'()
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0
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(sort profiles
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(match-lambda*
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((($ <profile> _ _ total1) ($ <profile> _ _ total2))
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(> total1 total2))))))
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;; TRANSLATORS: This is the title of a graph, meaning that the graph
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;; represents a profile of the store (the "store" being the place where
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;; packages are stored.)
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(make-page-map (_ "store profile") (pk data)
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#:write-to-png file))
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;;;
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;;; Options.
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@ -191,6 +230,8 @@ as \"guile:debug\" or \"gcc-4.8\" and return its store file name."
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(define (show-help)
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(display (_ "Usage: guix size [OPTION]... PACKAGE
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Report the size of PACKAGE and its dependencies.\n"))
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(display (_ "
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-m, --map-file=FILE write to FILE a graphical map of disk usage"))
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(display (_ "
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-s, --system=SYSTEM consider packages for SYSTEM--e.g., \"i686-linux\""))
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(newline)
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@ -207,6 +248,9 @@ Report the size of PACKAGE and its dependencies.\n"))
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(lambda (opt name arg result)
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(alist-cons 'system arg
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(alist-delete 'system result eq?))))
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(option '(#\m "map-file") #t #f
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(lambda (opt name arg result)
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(alist-cons 'map-file arg result)))
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(option '(#\h "help") #f #f
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(lambda args
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(show-help)
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@ -230,6 +274,7 @@ Report the size of PACKAGE and its dependencies.\n"))
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(('argument . file) file)
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(_ #f))
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opts))
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(map-file (assoc-ref opts 'map-file))
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(system (assoc-ref opts 'system)))
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(match files
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(()
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@ -239,7 +284,11 @@ Report the size of PACKAGE and its dependencies.\n"))
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(run-with-store store
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(mlet* %store-monad ((item (ensure-store-item file))
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(profile (store-profile item)))
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(display-profile* profile))
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(if map-file
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(begin
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(profile->page-map profile map-file)
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(return #t))
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(display-profile* profile)))
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#:system system)))
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((files ...)
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(leave (_ "too many arguments\n")))))))
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Reference in New Issue