From 00230df1074400acbcf8e80eeab5e67a3e1b3210 Mon Sep 17 00:00:00 2001 From: Ludovic Courtès Date: Wed, 26 Mar 2014 23:31:31 +0100 Subject: substitute-binary: Store the cache's URI in the local cached narinfo. * guix/scripts/substitute-binary.scm ()[uri-base]: New field. (narinfo-maker): Pass CACHE-URL as the 'uri-base' value. (string->narinfo): Add 'cache-uri' parameter. (lookup-narinfo)[cache-entry]: Switch to version 1. Add 'cache-uri' field. Adjust body accordingly. (remove-expired-cached-narinfos): Switch to version 1 by default. --- guix/scripts/substitute-binary.scm | 30 +++++++++++++++++++----------- 1 file changed, 19 insertions(+), 11 deletions(-) diff --git a/guix/scripts/substitute-binary.scm b/guix/scripts/substitute-binary.scm index de22ebaf58..8903add90b 100755 --- a/guix/scripts/substitute-binary.scm +++ b/guix/scripts/substitute-binary.scm @@ -214,11 +214,12 @@ failure." '("StoreDir" "WantMassQuery"))))) (define-record-type - (%make-narinfo path uri compression file-hash file-size nar-hash nar-size + (%make-narinfo path uri uri-base compression file-hash file-size nar-hash nar-size references deriver system signature contents) narinfo? (path narinfo-path) (uri narinfo-uri) + (uri-base narinfo-uri-base) ; URI of the cache it originates from (compression narinfo-compression) (file-hash narinfo-file-hash) (file-size narinfo-file-size) @@ -261,6 +262,7 @@ must contain the original contents of a narinfo file." ;; Handle the case where URL is a relative URL. (or (string->uri url) (string->uri (string-append cache-url "/" url))) + cache-url compression file-hash (and=> file-size string->number) @@ -350,9 +352,9 @@ build full URIs from relative URIs found while reading PORT." "Return the external representation of NARINFO." (call-with-output-string (cut write-narinfo narinfo <>))) -(define (string->narinfo str) +(define (string->narinfo str cache-uri) "Return the narinfo represented by STR." - (call-with-input-string str (cut read-narinfo <>))) + (call-with-input-string str (cut read-narinfo <> cache-uri))) (define (fetch-narinfo cache path) "Return the record for PATH, or #f if CACHE does not hold PATH." @@ -390,7 +392,8 @@ check what it has." (store-path-hash-part path))) (define (cache-entry narinfo) - `(narinfo (version 0) + `(narinfo (version 1) + (cache-uri ,(narinfo-uri-base narinfo)) (date ,(time-second now)) (value ,(and=> narinfo narinfo->string)))) @@ -400,18 +403,23 @@ check what it has." (call-with-input-file cache-file (lambda (p) (match (read p) - (('narinfo ('version 0) ('date date) - ('value #f)) + (('narinfo ('version 1) + ('cache-uri cache-uri) + ('date date) ('value #f)) ;; A cached negative lookup. (if (obsolete? date now %narinfo-negative-ttl) (values #f #f) (values #t #f))) - (('narinfo ('version 0) ('date date) - ('value value)) + (('narinfo ('version 1) + ('cache-uri cache-uri) + ('date date) ('value value)) ;; A cached positive lookup (if (obsolete? date now %narinfo-ttl) (values #f #f) - (values #t (string->narinfo value)))))))) + (values #t (string->narinfo value + cache-uri)))) + (('narinfo ('version v) _ ...) + (values #f #f)))))) (lambda _ (values #f #f))))) (if valid? @@ -440,10 +448,10 @@ indefinitely." (call-with-input-file file (lambda (port) (match (read port) - (('narinfo ('version 0) ('date date) + (('narinfo ('version 1) ('cache-uri _) ('date date) ('value #f)) (obsolete? date now %narinfo-negative-ttl)) - (('narinfo ('version 0) ('date date) + (('narinfo ('version 1) ('cache-uri _) ('date date) ('value _)) (obsolete? date now %narinfo-ttl)) (_ #t))))) -- cgit v1.2.3