diff options
Diffstat (limited to 'guix/ui.scm')
| -rw-r--r-- | guix/ui.scm | 38 |
1 files changed, 37 insertions, 1 deletions
diff --git a/guix/ui.scm b/guix/ui.scm index 4aa93de3b4..644a3070f6 100644 --- a/guix/ui.scm +++ b/guix/ui.scm @@ -1,5 +1,6 @@ ;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2012, 2013 Ludovic Courtès <ludo@gnu.org> +;;; Copyright © 2013 Mark H Weaver <mhw@netris.org> ;;; ;;; This file is part of GNU Guix. ;;; @@ -30,6 +31,7 @@ #:export (_ N_ install-locale + initialize-guix leave show-version-and-exit show-bug-report-information @@ -38,7 +40,9 @@ location->string fill-paragraph string->recutils - package->recutils)) + package->recutils + run-guix-command + guix-main)) ;;; Commentary: ;;; @@ -62,6 +66,12 @@ (_ "warning: failed to install locale: ~a~%") (strerror (system-error-errno args)))))) +(define (initialize-guix) + (install-locale) + (textdomain "guix") + (setvbuf (current-output-port) _IOLBF) + (setvbuf (current-error-port) _IOLBF)) + (define-syntax-rule (leave fmt args ...) "Format FMT and ARGS to the error port and exit." (begin @@ -210,4 +220,30 @@ WIDTH columns." (and=> (package-description p) description->recutils)) (newline port)) +(define (show-guix-usage) + ;; TODO: Dynamically generate a summary of available commands. + (format (current-error-port) + (_ "Usage: guix COMMAND ARGS...~%"))) + +(define (run-guix-command command . args) + ;; TODO: Gracefully report errors + (let* ((module (resolve-interface `(guix scripts ,command))) + (command-main (module-ref module + (symbol-append 'guix- command)))) + (apply command-main args))) + +(define (guix-main arg0 . args) + (initialize-guix) + (let () + (define (option? str) (string-prefix? "-" str)) + (match args + (() (show-guix-usage) (exit 1)) + (("--help") (show-guix-usage)) + (("--version") (show-version-and-exit "guix")) + (((? option? arg1) args ...) (show-guix-usage) (exit 1)) + ((command args ...) + (apply run-guix-command + (string->symbol command) + args))))) + ;;; ui.scm ends here |