diff options
Diffstat (limited to 'guix/ui.scm')
| -rw-r--r-- | guix/ui.scm | 111 |
1 files changed, 75 insertions, 36 deletions
diff --git a/guix/ui.scm b/guix/ui.scm index a6d4fd10cf..ca5b844a43 100644 --- a/guix/ui.scm +++ b/guix/ui.scm @@ -2,7 +2,8 @@ ;;; Copyright © 2012, 2013, 2014, 2015 Ludovic Courtès <ludo@gnu.org> ;;; Copyright © 2013 Mark H Weaver <mhw@netris.org> ;;; Copyright © 2013 Nikita Karetnikov <nikita@karetnikov.org> -;;; Copyright © 2014 Alex Kost <alezost@gmail.com> +;;; Copyright © 2014, 2015 Alex Kost <alezost@gmail.com> +;;; Copyright © 2015 Mathieu Lirzin <mthl@openmailbox.org> ;;; Copyright © 2014 Deck Pickard <deck.r.pickard@gmail.com> ;;; ;;; This file is part of GNU Guix. @@ -45,6 +46,9 @@ #:use-module (ice-9 regex) #:autoload (system repl repl) (start-repl) #:autoload (system repl debug) (make-debug stack->vector) + #:use-module (texinfo) + #:use-module (texinfo plain-text) + #:use-module (texinfo string-utils) #:export (_ N_ P_ @@ -69,6 +73,7 @@ switch-symlinks config-directory fill-paragraph + package-description-string string->recutils package->recutils package-specification->name+version+output @@ -77,6 +82,7 @@ args-fold* parse-command-line run-guix-command + run-guix program-name guix-warning-port warning @@ -98,7 +104,15 @@ (define _ (cut gettext <> %gettext-domain)) (define N_ (cut ngettext <> <> <> %gettext-domain)) -(define P_ (cut gettext <> %package-text-domain)) + +(define (P_ msgid) + "Return the translation of the package description or synopsis MSGID." + ;; Descriptions/synopses might occasionally be empty strings, even if that + ;; is something we try to avoid. Since (gettext "") can return a non-empty + ;; string, explicitly check for that case. + (if (string-null? msgid) + msgid + (gettext msgid %package-text-domain))) (define-syntax-rule (define-diagnostic name prefix) "Create a diagnostic macro (i.e., NAME), which will prepend PREFIX to all @@ -766,6 +780,28 @@ converted to a space; sequences of more than one line break are preserved." ;;; Packages. ;;; +(define %text-width + (make-parameter (or (and=> (getenv "WIDTH") string->number) + 80))) + +(set! (@@ (texinfo plain-text) wrap*) + ;; XXX: Monkey patch this private procedure to let 'package->recutils' + ;; parameterize the fill of description field correctly. + (lambda strings + (let ((indent (fluid-ref (@@ (texinfo plain-text) *indent*)))) + (fill-string (string-concatenate strings) + #:line-width (%text-width) #:initial-indent indent + #:subsequent-indent indent)))) + +(define (texi->plain-text str) + "Return a plain-text representation of texinfo fragment STR." + (stexi->plain-text (texi-fragment->stexi str))) + +(define (package-description-string package) + "Return a plain-text representation of PACKAGE description field." + (and=> (package-description package) + (compose texi->plain-text P_))) + (define (string->recutils str) "Return a version of STR where newlines have been replaced by newlines followed by \"+ \", which makes for a valid multi-line field value in the @@ -778,18 +814,9 @@ followed by \"+ \", which makes for a valid multi-line field value in the '() str))) -(define* (package->recutils p port - #:optional (width (or (and=> (getenv "WIDTH") - string->number) - 80))) +(define* (package->recutils p port #:optional (width (%text-width))) "Write to PORT a `recutils' record of package P, arranging to fit within WIDTH columns." - (define (description->recutils str) - (let ((str (P_ str))) - (string->recutils - (fill-paragraph str width - (string-length "description: "))))) - (define (dependencies->recutils packages) (let ((list (string-join (map package-full-name (sort packages package<?)) " "))) @@ -833,9 +860,15 @@ WIDTH columns." (chr chr)) (or (and=> (package-synopsis p) P_) ""))) - (format port "description: ~a~%" - (and=> (package-description p) description->recutils)) - (newline port)) + (format port "~a~2%" + (string->recutils + (string-trim-right + (parameterize ((%text-width width)) + (texi->plain-text + (string-append "description: " + (or (and=> (package-description p) P_) + "")))) + #\newline)))) (define (string->generations str) "Return the list of generations matching a pattern in STR. This function @@ -1032,31 +1065,37 @@ found." (parameterize ((program-name command)) (apply command-main args)))) +(define (run-guix . args) + "Run the 'guix' command defined by command line ARGS. +Unlike 'guix-main', this procedure assumes that locale, i18n support, +and signal handling has already been set up." + (define option? (cut string-prefix? "-" <>)) + + (match args + (() + (format (current-error-port) + (_ "guix: missing command name~%")) + (show-guix-usage)) + ((or ("-h") ("--help")) + (show-guix-help)) + (("--version") + (show-version-and-exit "guix")) + (((? option? o) args ...) + (format (current-error-port) + (_ "guix: unrecognized option '~a'~%") o) + (show-guix-usage)) + (("help" args ...) + (show-guix-help)) + ((command args ...) + (apply run-guix-command + (string->symbol command) + args)))) + (define guix-warning-port (make-parameter (current-warning-port))) (define (guix-main arg0 . args) (initialize-guix) - (let () - (define (option? str) (string-prefix? "-" str)) - (match args - (() - (format (current-error-port) - (_ "guix: missing command name~%")) - (show-guix-usage)) - ((or ("-h") ("--help")) - (show-guix-help)) - (("--version") - (show-version-and-exit "guix")) - (((? option? o) args ...) - (format (current-error-port) - (_ "guix: unrecognized option '~a'~%") o) - (show-guix-usage)) - (("help" args ...) - (show-guix-help)) - ((command args ...) - (apply run-guix-command - (string->symbol command) - args))))) + (apply run-guix args)) ;;; ui.scm ends here |