download: Work around bogus HTTP handling in Guile 2.2 <= 2.2.2.

Reported by Konrad Hinsen <konrad.hinsen@fastmail.net>
at <https://lists.gnu.org/archive/html/guix-devel/2017-11/msg00070.html>.

* guix/build/download.scm (write-request-line) [guile-2.2]: New
procedure.
This commit is contained in:
Ludovic Courtès 2017-11-10 23:07:49 +01:00
parent 74c0aeb027
commit 59da6f04f4
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1 changed files with 50 additions and 0 deletions

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@ -513,6 +513,56 @@ port if PORT is a TLS session record port."
(let ((declare-relative-uri-header! (variable-ref var)))
(declare-relative-uri-header! "Location")))))
;; XXX: Work around broken proxy handling on Guile 2.2 <= 2.2.2, fixed in
;; Guile commit 7d0d9e2c25c1e872cfc7d14ab5139915f1813d56. See bug report at
;; <https://lists.gnu.org/archive/html/guix-devel/2017-11/msg00070.html>.
(cond-expand
(guile-2.2
(when (<= (string->number (micro-version)) 2)
(let ()
(define put-symbol (@@ (web http) put-symbol))
(define put-non-negative-integer
(@@ (web http) put-non-negative-integer))
(define write-http-version
(@@ (web http) write-http-version))
(define (write-request-line method uri version port)
"Write the first line of an HTTP request to PORT."
(put-symbol port method)
(put-char port #\space)
(when (http-proxy-port? port)
(let ((scheme (uri-scheme uri))
(host (uri-host uri))
(host-port (uri-port uri)))
(when (and scheme host)
(put-symbol port scheme)
(put-string port "://")
(cond
((string-index host #\:) ;<---- The fix is here!
(put-char #\[ port)
(put-string port host
(put-char port #\])))
(else
(put-string port host)))
(unless ((@@ (web uri) default-port?) scheme host-port)
(put-char port #\:)
(put-non-negative-integer port host-port)))))
(let ((path (uri-path uri))
(query (uri-query uri)))
(if (string-null? path)
(put-string port "/")
(put-string port path))
(when query
(put-string port "?")
(put-string port query)))
(put-char port #\space)
(write-http-version version port)
(put-string port "\r\n"))
(module-set! (resolve-module '(web http)) 'write-request-line
write-request-line))))
(else #t))
(define (resolve-uri-reference ref base)
"Resolve the URI reference REF, interpreted relative to the BASE URI, into a
target URI, according to the algorithm specified in RFC 3986 section 5.2.2.