diff options
| -rw-r--r-- | doc/guix.texi | 11 | ||||
| -rw-r--r-- | guix/gexp.scm | 62 | ||||
| -rw-r--r-- | tests/gexp.scm | 17 |
3 files changed, 58 insertions, 32 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index 04b9b4aaae..50a7084fec 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -2580,7 +2580,7 @@ below allow you to do that (@pxref{The Store Monad}, for more information about monads.) @deffn {Monadic Procedure} gexp->derivation @var{name} @var{exp} @ - [#:system (%current-system)] [#:target #f] [#:inputs '()] @ + [#:system (%current-system)] [#:target #f] [#:graft? #t] @ [#:hash #f] [#:hash-algo #f] @ [#:recursive? #f] [#:env-vars '()] [#:modules '()] @ [#:module-path @var{%load-path}] @ @@ -2591,12 +2591,15 @@ Return a derivation @var{name} that runs @var{exp} (a gexp) with is true, it is used as the cross-compilation target triplet for packages referred to by @var{exp}. -Make @var{modules} available in the evaluation context of @var{EXP}; -@var{MODULES} is a list of names of Guile modules searched in -@var{MODULE-PATH} to be copied in the store, compiled, and made available in +Make @var{modules} available in the evaluation context of @var{exp}; +@var{modules} is a list of names of Guile modules searched in +@var{module-path} to be copied in the store, compiled, and made available in the load path during the execution of @var{exp}---e.g., @code{((guix build utils) (guix build gnu-build-system))}. +@var{graft?} determines whether packages referred to by @var{exp} should be grafted when +applicable. + When @var{references-graphs} is true, it must be a list of tuples of one of the following forms: diff --git a/guix/gexp.scm b/guix/gexp.scm index 0620683078..a8349c7d6e 100644 --- a/guix/gexp.scm +++ b/guix/gexp.scm @@ -153,6 +153,7 @@ names and file names suitable for the #:allowed-references argument to (modules '()) (module-path %load-path) (guile-for-build (%guile-for-build)) + (graft? (%graft?)) references-graphs allowed-references local-build?) @@ -165,6 +166,9 @@ names of Guile modules searched in MODULE-PATH to be copied in the store, compiled, and made available in the load path during the execution of EXP---e.g., '((guix build utils) (guix build gnu-build-system)). +GRAFT? determines whether packages referred to by EXP should be grafted when +applicable. + When REFERENCES-GRAPHS is true, it must be a list of tuples of one of the following forms: @@ -198,10 +202,10 @@ The other arguments are as for 'derivation'." (cons file-name thing))) graphs)) - (mlet* %store-monad (;; The following binding is here to force - ;; '%current-system' and '%current-target-system' to be - ;; looked up at >>= time. - (unused (return #f)) + (mlet* %store-monad (;; The following binding forces '%current-system' and + ;; '%current-target-system' to be looked up at >>= + ;; time. + (graft? (set-grafting graft?)) (system -> (or system (%current-system))) (target -> (if (eq? target 'current) @@ -245,30 +249,32 @@ The other arguments are as for 'derivation'." (return guile-for-build) (package->derivation (default-guile) system)))) - (raw-derivation name - (string-append (derivation->output-path guile) - "/bin/guile") - `("--no-auto-compile" - ,@(if (pair? %modules) - `("-L" ,(derivation->output-path modules) - "-C" ,(derivation->output-path compiled)) - '()) - ,builder) - #:outputs outputs - #:env-vars env-vars - #:system system - #:inputs `((,guile) - (,builder) - ,@(if modules - `((,modules) (,compiled) ,@inputs) - inputs) - ,@(match graphs - (((_ . inputs) ...) inputs) - (_ '()))) - #:hash hash #:hash-algo hash-algo #:recursive? recursive? - #:references-graphs (and=> graphs graphs-file-names) - #:allowed-references allowed - #:local-build? local-build?))) + (mbegin %store-monad + (set-grafting graft?) ;restore the initial setting + (raw-derivation name + (string-append (derivation->output-path guile) + "/bin/guile") + `("--no-auto-compile" + ,@(if (pair? %modules) + `("-L" ,(derivation->output-path modules) + "-C" ,(derivation->output-path compiled)) + '()) + ,builder) + #:outputs outputs + #:env-vars env-vars + #:system system + #:inputs `((,guile) + (,builder) + ,@(if modules + `((,modules) (,compiled) ,@inputs) + inputs) + ,@(match graphs + (((_ . inputs) ...) inputs) + (_ '()))) + #:hash hash #:hash-algo hash-algo #:recursive? recursive? + #:references-graphs (and=> graphs graphs-file-names) + #:allowed-references allowed + #:local-build? local-build?)))) (define* (gexp-inputs exp #:optional (references gexp-references)) "Return the input list for EXP, using REFERENCES to get its list of diff --git a/tests/gexp.scm b/tests/gexp.scm index 68c470d3b6..0b189b570b 100644 --- a/tests/gexp.scm +++ b/tests/gexp.scm @@ -249,6 +249,23 @@ (equal? refs (list (dirname (dirname guile)))) (equal? refs2 (list file)))))) +(test-assertm "gexp->derivation vs. grafts" + (mlet* %store-monad ((p0 -> (dummy-package "dummy" + (arguments + '(#:implicit-inputs? #f)))) + (r -> (package (inherit p0) (name "DuMMY"))) + (p1 -> (package (inherit p0) (replacement r))) + (exp0 -> (gexp (frob (ungexp p0) (ungexp output)))) + (exp1 -> (gexp (frob (ungexp p1) (ungexp output)))) + (void (set-guile-for-build %bootstrap-guile)) + (drv0 (gexp->derivation "t" exp0)) + (drv1 (gexp->derivation "t" exp1)) + (drv1* (gexp->derivation "t" exp1 #:graft? #f))) + (return (and (not (string=? (derivation->output-path drv0) + (derivation->output-path drv1))) + (string=? (derivation->output-path drv0) + (derivation->output-path drv1*)))))) + (test-assertm "gexp->derivation, composed gexps" (mlet* %store-monad ((exp0 -> (gexp (begin (mkdir (ungexp output)) |