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-rw-r--r--guix/scripts/publish.scm11
1 files changed, 9 insertions, 2 deletions
diff --git a/guix/scripts/publish.scm b/guix/scripts/publish.scm
index c5326b33da..a236f3e45c 100644
--- a/guix/scripts/publish.scm
+++ b/guix/scripts/publish.scm
@@ -537,14 +537,19 @@ requested using POOL."
(not-found request))))
(define* (render-nar/cached store cache request store-item
- #:key (compression %no-compression))
+ #:key ttl (compression %no-compression))
"Respond to REQUEST with a nar for STORE-ITEM. If the nar is in CACHE,
-return it; otherwise, return 404."
+return it; otherwise, return 404. When TTL is true, use it as the
+'Cache-Control' expiration time."
(let ((cached (nar-cache-file cache store-item
#:compression compression)))
(if (file-exists? cached)
(values `((content-type . (application/octet-stream
(charset . "ISO-8859-1")))
+ ,@(if ttl
+ `((cache-control (max-age . ,ttl)))
+ '())
+
;; XXX: We're not returning the actual contents, deferring
;; instead to 'http-write'. This is a hack to work around
;; <http://bugs.gnu.org/21093>.
@@ -819,6 +824,7 @@ blocking."
%default-gzip-compression))))
(if cache
(render-nar/cached store cache request store-item
+ #:ttl narinfo-ttl
#:compression compression)
(render-nar store request store-item
#:compression compression)))
@@ -829,6 +835,7 @@ blocking."
(if (nar-path? components)
(if cache
(render-nar/cached store cache request store-item
+ #:ttl narinfo-ttl
#:compression %no-compression)
(render-nar store request store-item
#:compression %no-compression))