#:use-module (guix base32)
#:use-module (guix packages)
#:use-module (guix derivations)
+ #:use-module (guix nar)
#:use-module (gnu packages)
#:use-module (gnu packages bootstrap)
#:use-module (ice-9 match)
+ #:use-module (rnrs io ports)
#:use-module (web uri)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-11)
(call-with-output-file (string-append dir "/nix-cache-info")
(lambda (p)
(format p "StoreDir: ~a\nWantMassQuery: 0\n"
- (getenv "NIX_STORE_DIR"))))
+ (%store-prefix))))
(call-with-output-file (string-append dir "/" (store-path-hash-part o)
".narinfo")
(lambda (p)
(%current-system) ; System
(basename d)))) ; Deriver
+ ;; Remove entry from the local cache.
+ (false-if-exception
+ (delete-file (string-append (getenv "XDG_CACHE_HOME")
+ "/guix/substitute-binary/"
+ (store-path-hash-part o))))
+
;; Make sure `substitute-binary' correctly communicates the above data.
(set-build-options s #:use-substitutes? #t)
(and (has-substitutes? s o)
(null? (substitutable-references s))
(equal? (substitutable-nar-size s) 1234)))))))
+(test-assert "substitute"
+ (let* ((s (open-connection))
+ (c (random-text)) ; contents of the output
+ (d (build-expression->derivation
+ s "substitute-me" (%current-system)
+ `(call-with-output-file %output
+ (lambda (p)
+ (exit 1) ; would actually fail
+ (display ,c p)))
+ '()
+ #:guile-for-build
+ (package-derivation s %bootstrap-guile (%current-system))))
+ (o (derivation-path->output-path d))
+ (dir (and=> (getenv "GUIX_BINARY_SUBSTITUTE_URL")
+ (compose uri-path string->uri))))
+ ;; Create fake substituter data, to be read by `substitute-binary'.
+ (call-with-output-file (string-append dir "/nix-cache-info")
+ (lambda (p)
+ (format p "StoreDir: ~a\nWantMassQuery: 0\n"
+ (%store-prefix))))
+ (call-with-output-file (string-append dir "/example.out")
+ (lambda (p)
+ (display c p)))
+ (call-with-output-file (string-append dir "/example.nar")
+ (lambda (p)
+ (write-file (string-append dir "/example.out") p)))
+ (call-with-output-file (string-append dir "/" (store-path-hash-part o)
+ ".narinfo")
+ (lambda (p)
+ (format p "StorePath: ~a
+URL: ~a
+Compression: none
+NarSize: 1234
+NarHash: sha256:~a
+References:
+System: ~a
+Deriver: ~a~%"
+ o ; StorePath
+ "example.nar" ; relative URL
+ (call-with-input-file (string-append dir "/example.nar")
+ (compose bytevector->nix-base32-string sha256
+ get-bytevector-all))
+ (%current-system) ; System
+ (basename d)))) ; Deriver
+
+ ;; Make sure we use `substitute-binary'.
+ (set-build-options s #:use-substitutes? #t)
+ (and (has-substitutes? s o)
+ (build-derivations s (list d))
+ (equal? c (call-with-input-file o get-string-all)))))
+
(test-end "store")
\f