diff options
Diffstat (limited to 'guix/build/download.scm')
-rw-r--r-- | guix/build/download.scm | 36 |
1 files changed, 19 insertions, 17 deletions
diff --git a/guix/build/download.scm b/guix/build/download.scm index d362fc1f26..4b7c53d2c6 100644 --- a/guix/build/download.scm +++ b/guix/build/download.scm @@ -101,27 +101,29 @@ width of the bar is BAR-WIDTH." (define (string-pad-middle left right len) "Combine LEFT and RIGHT with enough padding in the middle so that the -resulting string has length at least LEN. This right justifies RIGHT." - (string-append left - (string-pad right (max 0 (- len (string-length left)))))) - -(define (store-url-abbreviation url) - "Return a friendlier version of URL for display." - (let ((store-path (string-append (%store-directory) "/" (basename url)))) - ;; Take advantage of the implementation for store paths. - (store-path-abbreviation store-path))) +resulting string has length at least LEN (it may overflow). If the string +does not overflow, the last char in RIGHT will be flush with the LEN +column." + (let* ((total-used (+ (string-length left) + (string-length right))) + (num-spaces (max 1 (- len total-used))) + (padding (make-string num-spaces #\space))) + (string-append left padding right))) (define* (store-path-abbreviation store-path #:optional (prefix-length 6)) - "Return an abbreviation of STORE-PATH for display, showing PREFIX-LENGTH -characters of the hash." - (let ((base (basename store-path))) - (string-append (string-take base prefix-length) - "…" - (string-drop base 32)))) + "If STORE-PATH is the file name of a store entry, return an abbreviation of +STORE-PATH for display, showing PREFIX-LENGTH characters of the hash. +Otherwise return STORE-PATH." + (if (string-prefix? (%store-directory) store-path) + (let ((base (basename store-path))) + (string-append (string-take base prefix-length) + "…" + (string-drop base 32))) + store-path)) (define* (progress-proc file size #:optional (log-port (current-output-port)) - #:key (abbreviation identity)) + #:key (abbreviation basename)) "Return a procedure to show the progress of FILE's download, which is SIZE bytes long. The returned procedure is suitable for use as an argument to `dump-port'. The progress report is written to LOG-PORT, with ABBREVIATION @@ -519,7 +521,7 @@ on success." (_ (list (string->uri url)))))) (define (fetch uri file) - (format #t "starting download of `~a' from `~a'...~%" + (format #t "~%Starting download of ~a~%From ~a...~%" file (uri->string uri)) (case (uri-scheme uri) ((http https) |