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-rw-r--r--guix/build/download.scm23
1 files changed, 21 insertions, 2 deletions
diff --git a/guix/build/download.scm b/guix/build/download.scm
index 7c48d7bff5..09c62541de 100644
--- a/guix/build/download.scm
+++ b/guix/build/download.scm
@@ -55,6 +55,25 @@ argument to `dump-port'. The progress report is written to LOG-PORT."
(flush-output-port log-port)
(cont))))
+(define* (uri-abbreviation uri #:optional (max-length 42))
+ "If URI's string representation is larger than MAX-LENGTH, return an
+abbreviation of URI showing the scheme, host, and basename of the file."
+ (define uri-as-string
+ (uri->string uri))
+
+ (define (elide-path)
+ (let ((path (uri-path uri)))
+ (string-append (symbol->string (uri-scheme uri))
+ "://" (uri-host uri)
+ (string-append "/.../" (basename path)))))
+
+ (if (> (string-length uri-as-string) max-length)
+ (let ((short (elide-path)))
+ (if (< (string-length short) (string-length uri-as-string))
+ short
+ uri-as-string))
+ uri-as-string))
+
(define (ftp-fetch uri file)
"Fetch data from URI and write it to FILE. Return FILE on success."
(let* ((conn (ftp-open (uri-host uri)))
@@ -65,7 +84,7 @@ argument to `dump-port'. The progress report is written to LOG-PORT."
(lambda (out)
(dump-port in out
#:buffer-size 65536 ; don't flood the log
- #:progress (progress-proc (uri->string uri) size))))
+ #:progress (progress-proc (uri-abbreviation uri) size))))
(ftp-close conn))
(newline)
@@ -150,7 +169,7 @@ which is not available during bootstrap."
(begin
(dump-port bv-or-port p
#:buffer-size 65536 ; don't flood the log
- #:progress (progress-proc (uri->string uri)
+ #:progress (progress-proc (uri-abbreviation uri)
size))
(newline))
(put-bytevector p bv-or-port))))