gexp: Allow use of high-level objects in #:references-graphs.
* guix/gexp.scm (lower-reference-graphs): New procedure.
(gexp->derivation)[graphs-file-names]: New procedure.
Use 'lower-reference-graphs', and augment #:inputs argument as a
function of #:references-graphs.
* doc/guix.texi (G-Expressions): Adjust 'gexp->derivation' documentation
accordingly.
* tests/gexp.scm ("gexp->derivation, store copy"): Remove reference to
TWO in BUILD-DRV. Use TWO directly in #:references-graphs argument.
("gexp->derivation #:references-graphs"): New test.
* gnu/system/vm.scm (qemu-image): Remove variable 'graph'; use INPUTS as
the #:references-graphs argument to
'expression->derivation-in-linux-vm'.
master
Ludovic Courtès
parent
108293c5ea
commit
b53833b2ef
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@ -2278,6 +2278,22 @@ search path to be copied in the store, compiled, and made available in
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the load path during the execution of @var{exp}---e.g., @code{((guix
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build utils) (guix build gnu-build-system))}.
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When @var{references-graphs} is true, it must be a list of tuples of one of the
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following forms:
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@example
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(@var{file-name} @var{package})
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(@var{file-name} @var{package} @var{output})
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(@var{file-name} @var{derivation})
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(@var{file-name} @var{derivation} @var{output})
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(@var{file-name} @var{store-item})
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@end example
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The right-hand-side of each element of @var{references-graphs} is automatically made
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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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The other arguments are as for @code{derivation} (@pxref{Derivations}).
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@end deffn
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@ -219,8 +219,6 @@ INPUTS is a list of inputs (as for packages). When COPY-INPUTS? is true, copy
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all of INPUTS into the image being built. When REGISTER-CLOSURES? is true,
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register INPUTS in the store database of the image so that Guix can be used in
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the image."
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(mlet %store-monad
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((graph (sequence %store-monad (map input->name+output inputs))))
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(expression->derivation-in-linux-vm
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name
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#~(begin
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@ -260,7 +258,7 @@ the image."
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#:make-disk-image? #t
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#:disk-image-size disk-image-size
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#:disk-image-format disk-image-format
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#:references-graphs graph)))
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#:references-graphs inputs))
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;;;
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@ -109,6 +109,17 @@ the cross-compilation target triplet."
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(return input)))
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inputs))))
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(define* (lower-reference-graphs graphs #:key system target)
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"Given GRAPHS, a list of (FILE-NAME INPUT ...) lists for use as a
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#:reference-graphs argument, lower it such that each INPUT is replaced by the
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corresponding derivation."
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(match graphs
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(((file-names . inputs) ...)
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(mlet %store-monad ((inputs (lower-inputs inputs
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#:system system
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#:target target)))
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(return (map cons file-names inputs))))))
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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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@ -127,10 +138,38 @@ names of Guile modules from the current search path to be copied in the store,
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compiled, and made available in the load path during the execution of
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EXP---e.g., '((guix build utils) (guix build gnu-build-system)).
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When REFERENCES-GRAPHS is true, it must be a list of tuples of one of the
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following forms:
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(FILE-NAME PACKAGE)
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(FILE-NAME PACKAGE OUTPUT)
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(FILE-NAME DERIVATION)
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(FILE-NAME DERIVATION OUTPUT)
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(FILE-NAME STORE-ITEM)
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The right-hand-side of each element of REFERENCES-GRAPHS is automatically made
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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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The other arguments are as for 'derivation'."
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(define %modules modules)
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(define outputs (gexp-outputs exp))
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(define (graphs-file-names graphs)
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;; Return a list of (FILE-NAME . STORE-PATH) pairs made from GRAPHS.
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(map (match-lambda
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((file-name (? derivation? drv))
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(cons file-name (derivation->output-path drv)))
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((file-name (? derivation? drv) sub-drv)
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(cons file-name (derivation->output-path drv sub-drv)))
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((file-name thing)
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(cons file-name thing)))
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graphs))
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(mlet* %store-monad (;; The following binding is here to force
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;; '%current-system' and '%current-target-system' to be
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;; looked up at >>= time.
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@ -162,6 +201,11 @@ The other arguments are as for 'derivation'."
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#:system system
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#:guile guile-for-build)
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(return #f)))
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(graphs (if references-graphs
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(lower-reference-graphs references-graphs
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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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@ -182,9 +226,12 @@ The other arguments are as for 'derivation'."
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(,builder)
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,@(if modules
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`((,modules) (,compiled) ,@inputs)
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inputs))
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inputs)
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,@(match graphs
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(((_ . inputs) ...) inputs)
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(_ '())))
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#:hash hash #:hash-algo hash-algo #:recursive? recursive?
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#:references-graphs references-graphs
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#:references-graphs (and=> graphs graphs-file-names)
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#:local-build? local-build?)))
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(define* (gexp-inputs exp #:optional (references gexp-references))
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@ -335,19 +335,16 @@
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(call-with-output-file (string-append #$output "/two")
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(lambda (port)
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(display "This is the second one." port))))))
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(build-drv (lambda (two)
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#~(begin
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(build-drv #~(begin
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(use-modules (guix build store-copy))
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(mkdir #$output)
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'#$two ;make it an input
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(populate-store '("graph") #$output)))))
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(populate-store '("graph") #$output))))
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(mlet* %store-monad ((one (gexp->derivation "one" build-one))
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(two (gexp->derivation "two" (build-two one)))
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(dir -> (derivation->output-path two))
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(drv (gexp->derivation "store-copy" (build-drv two)
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(drv (gexp->derivation "store-copy" build-drv
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#:references-graphs
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`(("graph" . ,dir))
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`(("graph" ,two))
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#:modules
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'((guix build store-copy)
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(guix build utils))))
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@ -362,6 +359,43 @@
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(string=? (readlink (string-append out "/" two "/one"))
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one)))))))
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(test-assertm "gexp->derivation #:references-graphs"
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(mlet* %store-monad
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((one (text-file "one" "hello, world"))
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(two (gexp->derivation "two"
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#~(symlink #$one #$output:chbouib)))
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(drv (gexp->derivation "ref-graphs"
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#~(begin
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(use-modules (guix build store-copy))
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(with-output-to-file #$output
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(lambda ()
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(write (call-with-input-file "guile"
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read-reference-graph))))
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(with-output-to-file #$output:one
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(lambda ()
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(write (call-with-input-file "one"
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read-reference-graph))))
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(with-output-to-file #$output:two
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(lambda ()
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(write (call-with-input-file "two"
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read-reference-graph)))))
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#:references-graphs `(("one" ,one)
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("two" ,two "chbouib")
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("guile" ,%bootstrap-guile))
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#:modules '((guix build store-copy)
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(guix build utils))))
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(ok? (built-derivations (list drv)))
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(guile-drv (package->derivation %bootstrap-guile))
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(g-one -> (derivation->output-path drv "one"))
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(g-two -> (derivation->output-path drv "two"))
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(g-guile -> (derivation->output-path drv)))
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(return (and ok?
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(equal? (call-with-input-file g-one read) (list one))
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(equal? (call-with-input-file g-two read)
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(list one (derivation->output-path two "chbouib")))
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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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(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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