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Diffstat (limited to 'guix/build/download.scm')
-rw-r--r-- | guix/build/download.scm | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/guix/build/download.scm b/guix/build/download.scm index fe7a453c89..fec4cec3e8 100644 --- a/guix/build/download.scm +++ b/guix/build/download.scm @@ -42,6 +42,7 @@ current-terminal-columns progress-proc uri-abbreviation + nar-uri-abbreviation store-path-abbreviation)) ;;; Commentary: @@ -222,6 +223,17 @@ abbreviation of URI showing the scheme, host, and basename of the file." uri-as-string)) uri-as-string)) +(define (nar-uri-abbreviation uri) + "Abbreviate URI, which is assumed to be the URI of a nar as served by Hydra +and 'guix publish', something like +\"http://example.org/nar/1ldrllwbna0aw5z8kpci4fsvbd2w8cw4-texlive-bin-2015\"." + (let* ((uri (if (string? uri) (string->uri uri) uri)) + (path (basename (uri-path uri)))) + (if (and (> (string-length path) 33) + (char=? (string-ref path 32) #\-)) + (string-drop path 33) + path))) + (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))) |