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derivations: Add #:allowed-references 'derivation' parameter.

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* guix/derivations.scm (derivation): Add #:allowed-references
  parameter.
  [user+system-env-vars]: Honor it.
* tests/derivations.scm ("derivation #:allowed-references, ok",
  "derivation #:allowed-references, not allowed",
  "derivation #:allowed-references, self allowed",
  "derivation #:allowed-references, self not allowed"): New tests.
* doc/guix.texi (Derivations): Document #:allowed-references.
This commit is contained in:
Ludovic Courtès
2014-06-01 23:32:26 +02:00
parent 5a6a3ba43a
commit b53be755e4
3 changed files with 53 additions and 6 deletions
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doc/guix.texi
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@@ -1737,7 +1737,7 @@ a derivation is the @code{derivation} procedure:
@var{args} [#:outputs '("out")] [#:hash #f] [#:hash-algo #f] @
[#:recursive? #f] [#:inputs '()] [#:env-vars '()] @
[#:system (%current-system)] [#:references-graphs #f] @
[#:local-build? #f]
[#:allowed-references #f] [#:local-build? #f]
Build a derivation with the given arguments, and return the resulting
@code{<derivation>} object.
@@ -1753,6 +1753,9 @@ name/store path pairs. 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.
When @var{allowed-references} is true, it must be a list of store items
or outputs that the derivation's output may refer to.
When @var{local-build?} is true, declare that the derivation is not a
good candidate for offloading and should rather be built locally
(@pxref{Daemon Offload Setup}). This is the case for small derivations