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-rw-r--r--guix/status.scm23
1 files changed, 18 insertions, 5 deletions
diff --git a/guix/status.scm b/guix/status.scm
index d4fc4ca16e..2928733257 100644
--- a/guix/status.scm
+++ b/guix/status.scm
@@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2017, 2018 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2017, 2018, 2019 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2018 Ricardo Wurmus <rekado@elephly.net>
;;;
;;; This file is part of GNU Guix.
@@ -63,7 +63,8 @@
print-build-event/quiet
print-build-status
- with-status-report))
+ with-status-report
+ with-status-verbosity))
;;; Commentary:
;;;
@@ -636,9 +637,7 @@ The second return value is a thunk to retrieve the current state."
;; The build port actually receives Unicode strings.
(set-port-encoding! port "UTF-8")
- (cond-expand
- ((and guile-2 (not guile-2.2)) #t)
- (else (setvbuf port 'line)))
+ (setvbuf port 'line)
(values port (lambda () %state)))
(define (call-with-status-report on-event thunk)
@@ -651,3 +650,17 @@ The second return value is a thunk to retrieve the current state."
"Set up build status reporting to the user using the ON-EVENT procedure;
evaluate EXP... in that context."
(call-with-status-report on-event (lambda () exp ...)))
+
+(define (logger-for-level level)
+ "Return the logging procedure that corresponds to LEVEL."
+ (cond ((<= level 0) (const #t))
+ ((= level 1) print-build-event/quiet)
+ (else print-build-event)))
+
+(define (call-with-status-verbosity level thunk)
+ (call-with-status-report (logger-for-level level) thunk))
+
+(define-syntax-rule (with-status-verbosity level exp ...)
+ "Set up build status reporting to the user at the given LEVEL: 0 means
+silent, 1 means quiet, 2 means verbose. Evaluate EXP... in that context."
+ (call-with-status-verbosity level (lambda () exp ...)))