diff options
| -rw-r--r-- | guix/progress.scm | 72 |
1 files changed, 41 insertions, 31 deletions
diff --git a/guix/progress.scm b/guix/progress.scm index 53aea1c56d..d4ebb32991 100644 --- a/guix/progress.scm +++ b/guix/progress.scm @@ -39,6 +39,7 @@ progress-reporter/file progress-reporter/bar + display-download-progress byte-count->string current-terminal-columns @@ -183,6 +184,42 @@ width of the bar is BAR-WIDTH." move the cursor to the beginning of the line." (display "\r\x1b[K" port)) +(define* (display-download-progress file size + #:key + start-time (transferred 0) + (log-port (current-error-port))) + "Write the progress report to LOG-PORT. Use START-TIME (a SRFI-19 time +object) and TRANSFERRED (a total number of bytes) to determine the +throughput." + (define elapsed + (duration->seconds + (time-difference (current-time time-monotonic) start-time))) + (if (number? size) + (let* ((% (* 100.0 (/ transferred size))) + (throughput (/ transferred elapsed)) + (left (format #f " ~a ~a" file + (byte-count->string size))) + (right (format #f "~a/s ~a ~a~6,1f%" + (byte-count->string throughput) + (seconds->string elapsed) + (progress-bar %) %))) + (erase-current-line log-port) + (display (string-pad-middle left right + (current-terminal-columns)) + log-port) + (force-output log-port)) + (let* ((throughput (/ transferred elapsed)) + (left (format #f " ~a" file)) + (right (format #f "~a/s ~a | ~a transferred" + (byte-count->string throughput) + (seconds->string elapsed) + (byte-count->string transferred)))) + (erase-current-line log-port) + (display (string-pad-middle left right + (current-terminal-columns)) + log-port) + (force-output log-port)))) + (define* (progress-reporter/file file size #:optional (log-port (current-output-port)) #:key (abbreviation basename)) @@ -192,37 +229,10 @@ ABBREVIATION used to shorten FILE for display." (let ((start-time (current-time time-monotonic)) (transferred 0)) (define (render) - "Write the progress report to LOG-PORT." - (define elapsed - (duration->seconds - (time-difference (current-time time-monotonic) start-time))) - (if (number? size) - (let* ((% (* 100.0 (/ transferred size))) - (throughput (/ transferred elapsed)) - (left (format #f " ~a ~a" - (abbreviation file) - (byte-count->string size))) - (right (format #f "~a/s ~a ~a~6,1f%" - (byte-count->string throughput) - (seconds->string elapsed) - (progress-bar %) %))) - (erase-current-line log-port) - (display (string-pad-middle left right - (current-terminal-columns)) - log-port) - (force-output log-port)) - (let* ((throughput (/ transferred elapsed)) - (left (format #f " ~a" - (abbreviation file))) - (right (format #f "~a/s ~a | ~a transferred" - (byte-count->string throughput) - (seconds->string elapsed) - (byte-count->string transferred)))) - (erase-current-line log-port) - (display (string-pad-middle left right - (current-terminal-columns)) - log-port) - (force-output log-port)))) + (display-download-progress (abbreviation file) size + #:start-time start-time + #:transferred transferred + #:log-port log-port)) (progress-reporter (start render) |