diff --git a/doc/guix.texi b/doc/guix.texi index 917a3e9d57..c040a8531a 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -5060,7 +5060,7 @@ a derivation is the @code{derivation} procedure: [#:system (%current-system)] [#:references-graphs #f] @ [#:allowed-references #f] [#:disallowed-references #f] @ [#:leaked-env-vars #f] [#:local-build? #f] @ - [#:substitutable? #t] + [#:substitutable? #t] [#:properties '()] Build a derivation with the given arguments, and return the resulting @code{} object. @@ -5097,6 +5097,9 @@ When @var{substitutable?} is false, declare that substitutes of the derivation's output should not be used (@pxref{Substitutes}). This is useful, for instance, when building packages that capture details of the host CPU instruction set. + +@var{properties} must be an association list describing ``properties'' of the +derivation. It is kept as-is, uninterpreted, in the derivation. @end deffn @noindent @@ -5790,7 +5793,8 @@ information about monads.) [#:leaked-env-vars #f] @ [#:script-name (string-append @var{name} "-builder")] @ [#:deprecation-warnings #f] @ - [#:local-build? #f] [#:substitutable? #t] [#:guile-for-build #f] + [#:local-build? #f] [#:substitutable? #t] @ + [#:properties '()] [#:guile-for-build #f] Return a derivation @var{name} that runs @var{exp} (a gexp) with @var{guile-for-build} (a derivation) on @var{system}; @var{exp} is stored in a file called @var{script-name}. When @var{target} is true, diff --git a/guix/derivations.scm b/guix/derivations.scm index 7afecb10cc..f6176a78fd 100644 --- a/guix/derivations.scm +++ b/guix/derivations.scm @@ -80,6 +80,7 @@ substitutable-derivation? substitution-oracle derivation-hash + derivation-properties read-derivation read-derivation-from-file @@ -681,7 +682,8 @@ name of each input with that input's hash." references-graphs allowed-references disallowed-references leaked-env-vars local-build? - (substitutable? #t)) + (substitutable? #t) + (properties '())) "Build a derivation with the given arguments, and return the resulting object. When HASH and HASH-ALGO are given, a fixed-output derivation is created---i.e., one whose result is known in @@ -708,7 +710,10 @@ for offloading and should rather be built locally. This is the case for small derivations where the costs of data transfers would outweigh the benefits. When SUBSTITUTABLE? is false, declare that substitutes of the derivation's -output should not be used." +output should not be used. + +PROPERTIES must be an association list describing \"properties\" of the +derivation. It is kept as-is, uninterpreted, in the derivation." (define (add-output-paths drv) ;; Return DRV with an actual store path for each of its output and the ;; corresponding environment variable. @@ -763,6 +768,10 @@ output should not be used." `(("impureEnvVars" . ,(string-join leaked-env-vars))) '()) + ,@(match properties + (() '()) + (lst `(("guix properties" + . ,(object->string properties))))) ,@env-vars))) (match references-graphs (((file . path) ...) @@ -851,6 +860,14 @@ long-running processes that know what they're doing. Use with care!" (invalidate-memoization! derivation-path->base16-hash) (hash-clear! %derivation-cache)) +(define derivation-properties + (mlambdaq (drv) + "Return the property alist associated with DRV." + (match (assoc "guix properties" + (derivation-builder-environment-vars drv)) + ((_ . str) (call-with-input-string str read)) + (#f '())))) + (define* (map-derivation store drv mapping #:key (system (%current-system))) "Given MAPPING, a list of pairs of derivations, return a derivation based on @@ -1129,7 +1146,8 @@ they can refer to each other." references-graphs allowed-references disallowed-references - local-build? (substitutable? #t)) + local-build? (substitutable? #t) + (properties '())) "Return a derivation that executes Scheme expression EXP as a builder for derivation NAME. INPUTS must be a list of (NAME DRV-PATH SUB-DRV) tuples; when SUB-DRV is omitted, \"out\" is assumed. MODULES is a list @@ -1149,7 +1167,8 @@ EXP is built using GUILE-FOR-BUILD (a derivation). When GUILE-FOR-BUILD is omitted or is #f, the value of the `%guile-for-build' fluid is used instead. See the `derivation' procedure for the meaning of REFERENCES-GRAPHS, -ALLOWED-REFERENCES, DISALLOWED-REFERENCES, LOCAL-BUILD?, and SUBSTITUTABLE?." +ALLOWED-REFERENCES, DISALLOWED-REFERENCES, LOCAL-BUILD?, SUBSTITUTABLE?, +and PROPERTIES." (define guile-drv (or guile-for-build (%guile-for-build))) @@ -1277,7 +1296,8 @@ ALLOWED-REFERENCES, DISALLOWED-REFERENCES, LOCAL-BUILD?, and SUBSTITUTABLE?." #:allowed-references allowed-references #:disallowed-references disallowed-references #:local-build? local-build? - #:substitutable? substitutable?))) + #:substitutable? substitutable? + #:properties properties))) ;;; diff --git a/guix/gexp.scm b/guix/gexp.scm index f33fb198e4..786e378308 100644 --- a/guix/gexp.scm +++ b/guix/gexp.scm @@ -631,6 +631,7 @@ names and file names suitable for the #:allowed-references argument to allowed-references disallowed-references leaked-env-vars local-build? (substitutable? #t) + (properties '()) ;; TODO: This parameter is transitional; it's here ;; to avoid a full rebuild. Remove it on the next @@ -800,7 +801,8 @@ The other arguments are as for 'derivation'." #:disallowed-references disallowed #:leaked-env-vars leaked-env-vars #:local-build? local-build? - #:substitutable? substitutable?)))) + #:substitutable? substitutable? + #:properties properties)))) (define* (gexp-inputs exp #:key native?) "Return the input list for EXP. When NATIVE? is true, return only native diff --git a/tests/derivations.scm b/tests/derivations.scm index 159a6971b3..5f294c1827 100644 --- a/tests/derivations.scm +++ b/tests/derivations.scm @@ -1132,6 +1132,16 @@ ((p2 . _) (stringderivation %store "bar" + '(mkdir %output))) + (drv2 (build-expression->derivation %store "foo" + '(mkdir %output) + #:properties '((type . test))))) + (list (derivation-properties drv1) + (derivation-properties drv2)))) + (test-equal "map-derivation" "hello" (let* ((joke (package-derivation %store guile-1.8)) diff --git a/tests/gexp.scm b/tests/gexp.scm index ab60bdab68..7ae9201c81 100644 --- a/tests/gexp.scm +++ b/tests/gexp.scm @@ -476,7 +476,15 @@ (return (and (string=? (readlink (string-append out "/foo")) guile) (string=? (readlink out2) file) (equal? refs (list (dirname (dirname guile)))) - (equal? refs2 (list file)))))) + (equal? refs2 (list file)) + (null? (derivation-properties drv)))))) + +(test-assertm "gexp->derivation properties" + (mlet %store-monad ((drv (gexp->derivation "foo" + #~(mkdir #$output) + #:properties '((type . test))))) + (return (equal? '((type . test)) + (derivation-properties drv))))) (test-assertm "gexp->derivation vs. grafts" (mlet* %store-monad ((graft? (set-grafting #f))