diff options
| -rwxr-xr-x | guix/scripts/substitute.scm | 52 |
1 files changed, 32 insertions, 20 deletions
diff --git a/guix/scripts/substitute.scm b/guix/scripts/substitute.scm index cdf591ac4d..e3b382d0d8 100755 --- a/guix/scripts/substitute.scm +++ b/guix/scripts/substitute.scm @@ -437,20 +437,13 @@ server certificates." "Bind PORT with EXP... to a socket connected to URI." (call-with-cached-connection uri (lambda (port) exp ...))) -(define* (process-substitution port store-item destination - #:key cache-urls acl - deduplicate? print-build-trace?) - "Substitute STORE-ITEM (a store file name) from CACHE-URLS, and write it to -DESTINATION as a nar file. Verify the substitute against ACL, and verify its -hash against what appears in the narinfo. When DEDUPLICATE? is true, and if -DESTINATION is in the store, deduplicate its files. Print a status line to -PORT." - (define narinfo - (lookup-narinfo cache-urls store-item - (if (%allow-unauthenticated-substitutes?) - (const #t) - (cut valid-narinfo? <> acl)))) - +(define* (download-nar narinfo destination + #:key status-port + deduplicate? print-build-trace?) + "Download the nar prescribed in NARINFO, which is assumed to be authentic +and authorized, and write it to DESTINATION. When DEDUPLICATE? is true, and +if DESTINATION is in the store, deduplicate its files. Print a status line to +STATUS-PORT." (define destination-in-store? (string-prefix? (string-append (%store-prefix) "/") destination)) @@ -490,10 +483,6 @@ PORT." (leave (G_ "unsupported substitute URI scheme: ~a~%") (uri->string uri))))) - (unless narinfo - (leave (G_ "no valid substitute for '~a'~%") - store-item)) - (let ((uri compression file-size (narinfo-best-uri narinfo #:fast-decompression? @@ -575,14 +564,37 @@ PORT." (let ((actual (get-hash))) (if (bytevector=? actual expected) ;; Tell the daemon that we're done. - (format port "success ~a ~a~%" + (format status-port "success ~a ~a~%" (narinfo-hash narinfo) (narinfo-size narinfo)) ;; The actual data has a different hash than that in NARINFO. - (format port "hash-mismatch ~a ~a ~a~%" + (format status-port "hash-mismatch ~a ~a ~a~%" (hash-algorithm-name algorithm) (bytevector->nix-base32-string expected) (bytevector->nix-base32-string actual))))))) +(define* (process-substitution port store-item destination + #:key cache-urls acl + deduplicate? print-build-trace?) + "Substitute STORE-ITEM (a store file name) from CACHE-URLS, and write it to +DESTINATION as a nar file. Verify the substitute against ACL, and verify its +hash against what appears in the narinfo. When DEDUPLICATE? is true, and if +DESTINATION is in the store, deduplicate its files. Print a status line to +PORT." + (define narinfo + (lookup-narinfo cache-urls store-item + (if (%allow-unauthenticated-substitutes?) + (const #t) + (cut valid-narinfo? <> acl)))) + + (unless narinfo + (leave (G_ "no valid substitute for '~a'~%") + store-item)) + + (download-nar narinfo destination + #:status-port port + #:deduplicate? deduplicate? + #:print-build-trace? print-build-trace?)) + ;;; ;;; Entry point. |