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authorPhilip McGrath <philip@philipmcgrath.com>2022-05-18 14:10:53 -0400
committerLudovic Courtès <ludo@gnu.org>2022-05-22 01:07:52 +0200
commit00a5a07bb2af8b46169944ba772ad46d4e6e9172 (patch)
tree9575df0f40a89a980c9755a8968c73f21de91420
parentdce724dc82c4ec4b55288b539e23239eb9677350 (diff)
http-client: Accept '#:headers' in 'http-fetched/cached'.
Callers can supply alternative headers as with 'http-fetch'. * guix/http-client.scm (http-fetch/cached): Add '#:headers' argument. Signed-off-by: Ludovic Courtès <ludo@gnu.org>
-rw-r--r--guix/http-client.scm19
1 files changed, 12 insertions, 7 deletions
diff --git a/guix/http-client.scm b/guix/http-client.scm
index a367c41afa..699f5dfd57 100644
--- a/guix/http-client.scm
+++ b/guix/http-client.scm
@@ -296,6 +296,7 @@ returning."
#f #f base64url-alphabet))))
(define* (http-fetch/cached uri #:key (ttl (%http-cache-ttl)) text?
+ (headers '((user-agent . "GNU Guile")))
(write-cache dump-port)
(cache-miss (const #t))
(log-port (current-error-port))
@@ -307,6 +308,9 @@ Call WRITE-CACHE with the HTTP input port and the cache output port to write
the data to cache. Call CACHE-MISS with URI just before fetching data from
URI.
+HEADERS is an alist of extra HTTP headers, to which cache-related headers are
+added automatically as appropriate.
+
TIMEOUT specifies the timeout in seconds for connection establishment.
Write information about redirects to LOG-PORT."
@@ -316,12 +320,12 @@ Write information about redirects to LOG-PORT."
(and cache-port
(stat:mtime (stat cache-port))))
- (define headers
- `((user-agent . "GNU Guile")
- ,@(if cache-time
- `((if-modified-since
- . ,(time-utc->date (make-time time-utc 0 cache-time))))
- '())))
+ (define extended-headers
+ (if cache-time
+ `((if-modified-since
+ . ,(time-utc->date (make-time time-utc 0 cache-time)))
+ ,@headers)
+ headers))
;; Update the cache and return an input port.
(guard (c ((http-get-error? c)
@@ -332,7 +336,8 @@ Write information about redirects to LOG-PORT."
(raise c))))
(let ((port (http-fetch uri #:text? text?
#:log-port log-port
- #:headers headers #:timeout timeout)))
+ #:headers extended-headers
+ #:timeout timeout)))
(cache-miss uri)
(mkdir-p (dirname file))
(when cache-port