gexp: Add #:allowed-references parameter to 'gexp->derivation'.
* guix/gexp.scm (lower-references): New procedure.
(gexp->derivation): Add #:allowed-references and honor it.
* tests/gexp.scm ("gexp->derivation #:allowed-references",
"gexp->derivation #:allowed-references, disallowed"): New tests.
* doc/guix.texi (G-Expressions): Update 'gexp->derivation' doc.
This commit is contained in:
Ludovic Courtès
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aee6180c10
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@ -2583,8 +2583,8 @@ information about monads.)
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[#:hash #f] [#:hash-algo #f] @
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[#:recursive? #f] [#:env-vars '()] [#:modules '()] @
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[#:module-path @var{%load-path}] @
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[#:references-graphs #f] [#:local-build? #f] @
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[#:guile-for-build #f]
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[#:references-graphs #f] [#:allowed-references #f] @
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[#:local-build? #f] [#:guile-for-build #f]
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Return a derivation @var{name} that runs @var{exp} (a gexp) with
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@var{guile-for-build} (a derivation) on @var{system}. When @var{target}
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is true, it is used as the cross-compilation target triplet for packages
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@ -2612,6 +2612,10 @@ an input of the build process of @var{exp}. In the build environment, each
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@var{file-name} contains the reference graph of the corresponding item, in a simple
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text format.
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@var{allowed-references} must be either @code{#f} or a list of output names and packages.
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In the latter case, the list denotes store items that the result is allowed to
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refer to. Any reference to another store item will lead to a build error.
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The other arguments are as for @code{derivation} (@pxref{Derivations}).
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@end deffn
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@ -118,6 +118,29 @@ corresponding derivation."
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#:target target)))
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(return (map cons file-names inputs))))))
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(define* (lower-references lst #:key system target)
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"Based on LST, a list of output names and packages, return a list of output
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names and file names suitable for the #:allowed-references argument to
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'derivation'."
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;; XXX: Currently outputs other than "out" are not supported, and things
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;; other than packages aren't either.
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(with-monad %store-monad
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(define lower
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(match-lambda
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((? string? output)
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(return output))
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((? package? package)
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(mlet %store-monad ((drv
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(if target
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(package->cross-derivation package target
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#:system system
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#:graft? #f)
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(package->derivation package system
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#:graft? #f))))
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(return (derivation->output-path drv))))))
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(sequence %store-monad (map lower lst))))
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(define* (gexp->derivation name exp
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#:key
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system (target 'current)
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@ -127,6 +150,7 @@ corresponding derivation."
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(module-path %load-path)
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(guile-for-build (%guile-for-build))
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references-graphs
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allowed-references
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local-build?)
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"Return a derivation NAME that runs EXP (a gexp) with GUILE-FOR-BUILD (a
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derivation) on SYSTEM. When TARGET is true, it is used as the
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@ -151,8 +175,9 @@ an input of the build process of EXP. In the build environment, each
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FILE-NAME contains the reference graph of the corresponding item, in a simple
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text format.
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In that case, the reference graph of each store path is exported in
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the build environment in the corresponding file, in a simple text format.
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ALLOWED-REFERENCES must be either #f or a list of output names and packages.
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In the latter case, the list denotes store items that the result is allowed to
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refer to. Any reference to another store item will lead to a build error.
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The other arguments are as for 'derivation'."
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(define %modules modules)
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@ -207,6 +232,11 @@ The other arguments are as for 'derivation'."
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#:system system
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#:target target)
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(return #f)))
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(allowed (if allowed-references
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(lower-references allowed-references
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#:system system
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#:target target)
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(return #f)))
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(guile (if guile-for-build
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(return guile-for-build)
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(package->derivation (default-guile)
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@ -233,6 +263,7 @@ The other arguments are as for 'derivation'."
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(_ '())))
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#:hash hash #:hash-algo hash-algo #:recursive? recursive?
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#:references-graphs (and=> graphs graphs-file-names)
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#:allowed-references allowed
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#:local-build? local-build?)))
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(define* (gexp-inputs exp #:optional (references gexp-references))
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@ -27,6 +27,7 @@
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#:use-module (gnu packages base)
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#:use-module (gnu packages bootstrap)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-34)
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#:use-module (srfi srfi-64)
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#:use-module (rnrs io ports)
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#:use-module (ice-9 match)
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@ -396,6 +397,30 @@
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(equal? (call-with-input-file g-guile read)
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(list (derivation->output-path guile-drv)))))))
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(test-assertm "gexp->derivation #:allowed-references"
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(mlet %store-monad ((drv (gexp->derivation "allowed-refs"
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#~(begin
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(mkdir #$output)
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(chdir #$output)
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(symlink #$output "self")
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(symlink #$%bootstrap-guile
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"guile"))
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#:allowed-references
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(list "out" %bootstrap-guile))))
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(built-derivations (list drv))))
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(test-assert "gexp->derivation #:allowed-references, disallowed"
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(let ((drv (run-with-store %store
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(gexp->derivation "allowed-refs"
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#~(begin
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(mkdir #$output)
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(chdir #$output)
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(symlink #$%bootstrap-guile "guile"))
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#:allowed-references '()))))
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(guard (c ((nix-protocol-error? c) #t))
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(build-derivations %store (list drv))
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#f)))
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(define shebang
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(string-append "#!" (derivation->output-path (%guile-for-build))
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"/bin/guile --no-auto-compile"))
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