diff options
Diffstat (limited to 'guix/gexp.scm')
| -rw-r--r-- | guix/gexp.scm | 35 |
1 files changed, 33 insertions, 2 deletions
diff --git a/guix/gexp.scm b/guix/gexp.scm index 4e8f91df1d..fa712a8b9b 100644 --- a/guix/gexp.scm +++ b/guix/gexp.scm @@ -118,6 +118,29 @@ corresponding derivation." #:target target))) (return (map cons file-names inputs)))))) +(define* (lower-references lst #:key system target) + "Based on LST, a list of output names and packages, return a list of output +names and file names suitable for the #:allowed-references argument to +'derivation'." + ;; XXX: Currently outputs other than "out" are not supported, and things + ;; other than packages aren't either. + (with-monad %store-monad + (define lower + (match-lambda + ((? string? output) + (return output)) + ((? package? package) + (mlet %store-monad ((drv + (if target + (package->cross-derivation package target + #:system system + #:graft? #f) + (package->derivation package system + #:graft? #f)))) + (return (derivation->output-path drv)))))) + + (sequence %store-monad (map lower lst)))) + (define* (gexp->derivation name exp #:key system (target 'current) @@ -127,6 +150,7 @@ corresponding derivation." (module-path %load-path) (guile-for-build (%guile-for-build)) references-graphs + allowed-references local-build?) "Return a derivation NAME that runs EXP (a gexp) with GUILE-FOR-BUILD (a derivation) on SYSTEM. When TARGET is true, it is used as the @@ -151,8 +175,9 @@ an input of the build process of EXP. In the build environment, each FILE-NAME contains the reference graph of the corresponding item, in a simple text format. -In that case, the reference graph of each store path is exported in -the build environment in the corresponding file, in a simple text format. +ALLOWED-REFERENCES must be either #f or a list of output names and packages. +In the latter case, the list denotes store items that the result is allowed to +refer to. Any reference to another store item will lead to a build error. The other arguments are as for 'derivation'." (define %modules modules) @@ -207,6 +232,11 @@ The other arguments are as for 'derivation'." #:system system #:target target) (return #f))) + (allowed (if allowed-references + (lower-references allowed-references + #:system system + #:target target) + (return #f))) (guile (if guile-for-build (return guile-for-build) (package->derivation (default-guile) @@ -233,6 +263,7 @@ The other arguments are as for 'derivation'." (_ '()))) #: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)) |