diff options
Diffstat (limited to 'guix/scripts/describe.scm')
| -rw-r--r-- | guix/scripts/describe.scm | 98 |
1 files changed, 69 insertions, 29 deletions
diff --git a/guix/scripts/describe.scm b/guix/scripts/describe.scm index d817d7f7ca..98be4ee89f 100644 --- a/guix/scripts/describe.scm +++ b/guix/scripts/describe.scm @@ -1,5 +1,6 @@ ;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2018 Ludovic Courtès <ludo@gnu.org> +;;; Copyright © 2018 Oleg Pykhalov <go.wigust@gmail.com> ;;; ;;; This file is part of GNU Guix. ;;; @@ -18,11 +19,13 @@ (define-module (guix scripts describe) #:use-module ((guix ui) #:hide (display-profile-content)) + #:use-module (guix channels) #:use-module (guix scripts) #:use-module (guix describe) #:use-module (guix profiles) #:use-module ((guix scripts pull) #:select (display-profile-content)) #:use-module (git) + #:use-module (json) #:use-module (srfi srfi-1) #:use-module (srfi srfi-37) #:use-module (ice-9 match) @@ -38,7 +41,7 @@ ;; Specifications of the command-line options. (list (option '(#\f "format") #t #f (lambda (opt name arg result) - (unless (member arg '("human" "channels")) + (unless (member arg '("human" "channels" "json" "recutils")) (leave (G_ "~a: unsupported output format~%") arg)) (alist-cons 'format (string->symbol arg) result))) (option '(#\p "profile") #t #f @@ -84,6 +87,22 @@ Display information about the channels currently in use.\n")) (format #t (G_ "~%;; warning: GUIX_PACKAGE_PATH=\"~a\"~%") string)))))) +(define (channel->sexp channel) + `(channel + (name ,(channel-name channel)) + (url ,(channel-url channel)) + (commit ,(channel-commit channel)))) + +(define (channel->json channel) + (scm->json-string `((name . ,(channel-name channel)) + (url . ,(channel-url channel)) + (commit . ,(channel-commit channel))))) + +(define (channel->recutils channel port) + (format port "name: ~a~%" (channel-name channel)) + (format port "url: ~a~%" (channel-url channel)) + (format port "commit: ~a~%" (channel-commit channel))) + (define* (display-checkout-info fmt #:optional directory) "Display information about the current checkout according to FMT, a symbol denoting the requested format. Exit if the current directory does not lie @@ -104,10 +123,19 @@ within a Git checkout." (format #t (G_ " branch: ~a~%") (reference-shorthand head)) (format #t (G_ " commit: ~a~%") commit)) ('channels - (pretty-print `(list (channel - (name 'guix) - (url ,(dirname directory)) - (commit ,commit)))))) + (pretty-print `(list ,(channel->sexp (channel (name 'guix) + (url (dirname directory)) + (commit commit)))))) + ('json + (display (channel->json (channel (name 'guix) + (url (dirname directory)) + (commit commit)))) + (newline)) + ('recutils + (channel->recutils (channel (name 'guix) + (url (dirname directory)) + (commit commit)) + (current-output-port)))) (display-package-search-path fmt))) (define (display-profile-info profile fmt) @@ -116,34 +144,46 @@ in the format specified by FMT." (define number (generation-number profile)) + (define channels + (map (lambda (entry) + (match (assq 'source (manifest-entry-properties entry)) + (('source ('repository ('version 0) + ('url url) + ('branch branch) + ('commit commit) + _ ...)) + (channel (name (string->symbol (manifest-entry-name entry))) + (url url) + (commit commit))) + + ;; Pre-0.15.0 Guix does not provide that information, + ;; so there's not much we can do in that case. + (_ (channel (name 'guix) + (url "?") + (commit "?"))))) + + ;; Show most recently installed packages last. + (reverse + (manifest-entries + (profile-manifest + (if (zero? number) + profile + (generation-file-name profile number))))))) + (match fmt ('human (display-profile-content profile number)) ('channels - (pretty-print - `(list ,@(map (lambda (entry) - (match (assq 'source (manifest-entry-properties entry)) - (('source ('repository ('version 0) - ('url url) - ('branch branch) - ('commit commit) - _ ...)) - `(channel (name ',(string->symbol - (manifest-entry-name entry))) - (url ,url) - (commit ,commit))) - - ;; Pre-0.15.0 Guix does not provide that information, - ;; so there's not much we can do in that case. - (_ '???))) - - ;; Show most recently installed packages last. - (reverse - (manifest-entries - (profile-manifest - (if (zero? number) - profile - (generation-file-name profile number)))))))))) + (pretty-print `(list ,@(map channel->sexp channels)))) + ('json + (format #t "[~a]~%" (string-join (map channel->json channels) ","))) + ('recutils + (format #t "~{~a~%~}" + (map (lambda (channel) + (with-output-to-string + (lambda () + (channel->recutils channel (current-output-port))))) + channels)))) (display-package-search-path fmt)) |