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-rw-r--r--guix/progress.scm72
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)