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lint: Emit an ANSI erase-in-line sequence. 

* guix/scripts/lint.scm (run-checkers): Add '\x1b[K' to progress
messages and after 'for-each'.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>
This commit is contained in:
Danny Milosavljevic 2016-04-08 17:59:12 +02:00 committed by Ludovic Courtès
parent fc1adab148
commit 013c3fb8c7
1 changed files with 6 additions and 2 deletions
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8
guix/scripts/lint.scm
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@ -3,6 +3,7 @@
;;; Copyright © 2014, 2015 Eric Bavier <bavier@member.fsf.org> ;;; Copyright © 2014, 2015 Eric Bavier <bavier@member.fsf.org>
;;; Copyright © 2013, 2014, 2015, 2016 Ludovic Courtès <ludo@gnu.org> ;;; Copyright © 2013, 2014, 2015, 2016 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2015, 2016 Mathieu Lirzin <mthl@gnu.org> ;;; Copyright © 2015, 2016 Mathieu Lirzin <mthl@gnu.org>
;;; Copyright © 2016 Danny Milosavljevic <dannym+a@scratchpost.org>
;;; ;;;
;;; This file is part of GNU Guix. ;;; This file is part of GNU Guix.
;;; ;;;
@ -799,11 +800,14 @@ or a list thereof")
(name (package-full-name package))) (name (package-full-name package)))
(for-each (lambda (checker) (for-each (lambda (checker)
(when tty? (when tty?
(format (current-error-port) "checking ~a [~a]...\r" (format (current-error-port) "checking ~a [~a]...\x1b[K\r"
name (lint-checker-name checker)) name (lint-checker-name checker))
(force-output (current-error-port))) (force-output (current-error-port)))
((lint-checker-check checker) package)) ((lint-checker-check checker) package))
checkers))) checkers)
(when tty?
(format (current-error-port) "\x1b[K")
(force-output (current-error-port)))))
;;; ;;;