diff options
Diffstat (limited to 'guix/scripts.scm')
| -rw-r--r-- | guix/scripts.scm | 54 |
1 files changed, 50 insertions, 4 deletions
diff --git a/guix/scripts.scm b/guix/scripts.scm index bbee50bc3d..9ff7f25548 100644 --- a/guix/scripts.scm +++ b/guix/scripts.scm @@ -1,5 +1,5 @@ ;;; GNU Guix --- Functional package management for GNU -;;; Copyright © 2013, 2014, 2015 Ludovic Courtès <ludo@gnu.org> +;;; Copyright © 2013, 2014, 2015, 2017 Ludovic Courtès <ludo@gnu.org> ;;; Copyright © 2014 Deck Pickard <deck.r.pickard@gmail.com> ;;; Copyright © 2015, 2016 Alex Kost <alezost@gmail.com> ;;; @@ -27,13 +27,16 @@ #:use-module (guix packages) #:use-module (guix derivations) #:use-module (srfi srfi-1) + #:use-module (srfi srfi-19) #:use-module (srfi srfi-37) #:use-module (ice-9 match) #:export (args-fold* parse-command-line maybe-build build-package - build-package-source)) + build-package-source + %distro-age-warning + warn-about-old-distro)) ;;; Commentary: ;;; @@ -50,7 +53,7 @@ reporting." operand-proc seeds)) (lambda (key proc msg args . rest) ;; XXX: MSG is not i18n'd. - (leave (_ "invalid argument: ~a~%") + (leave (G_ "invalid argument: ~a~%") (apply format #f msg args))))) (define (environment-build-options) @@ -76,7 +79,7 @@ parameter of 'args-fold'." ;; Actual parsing takes place here. (apply args-fold* args options (lambda (opt name arg . rest) - (leave (_ "~A: unrecognized option~%") name)) + (leave (G_ "~A: unrecognized option~%") name)) argument-handler seeds)) @@ -136,4 +139,47 @@ Show what and how will/would be built." #:dry-run? dry-run?) (return (show-derivation-outputs derivation)))))) +(define %distro-age-warning + ;; The age (in seconds) above which we warn that the distro is too old. + (make-parameter (match (and=> (getenv "GUIX_DISTRO_AGE_WARNING") + string->duration) + (#f (* 7 24 3600)) + (age (time-second age))))) + +(define* (warn-about-old-distro #:optional (old (%distro-age-warning)) + #:key (suggested-command + "guix package -u")) + "Emit a warning if Guix is older than OLD seconds." + (let-syntax ((false-if-not-found + (syntax-rules () + ((_ exp) + (catch 'system-error + (lambda () + exp) + (lambda args + (if (= ENOENT (system-error-errno args)) + #f + (apply throw args)))))))) + (define (seconds->days seconds) + (round (/ seconds (* 3600 24)))) + + (define age + (match (false-if-not-found + (lstat (string-append (config-directory #:ensure? #f) + "/latest"))) + (#f #f) + (stat (- (time-second (current-time time-utc)) + (stat:mtime stat))))) + + (when (and age (>= age old)) + (warning (N_ "Your Guix installation is ~a day old.\n" + "Your Guix installation is ~a days old.\n" + (seconds->days age)) + (seconds->days age))) + (when (or (not age) (>= age old)) + (warning (G_ "Consider running 'guix pull' followed by +'~a' to get up-to-date packages and security updates.\n") + suggested-command) + (newline (guix-warning-port))))) + ;;; scripts.scm ends here |