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import/cran: Generate rudimentary ARGUMENTS field. 

* guix/import/cran.scm (phases-for-inputs, maybe-arguments): New procedures.
(description->package): Splice in result of MAYBE-ARGUMENTS.

Change-Id: I578e1903f37c91bf865f0be49b04187ec372ed05
This commit is contained in:
Ricardo Wurmus 2024-01-21 11:05:46 +01:00
parent 1d00a9edff
commit 2d83a25450
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GPG Key ID: 197A5888235FACAC
1 changed files with 47 additions and 1 deletions
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48
guix/import/cran.scm
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@ -672,6 +672,52 @@ of META, a package in REPOSITORY."
(string<? (upstream-input-downstream-name input1)
(upstream-input-downstream-name input2))))))
(define (phases-for-inputs input-names)
"Generate a list of build phases based on the provided INPUT-NAMES, a list
of package names for all input packages."
(let ((rules
(list (lambda ()
(and (member "styler" input-names)
'(add-after 'unpack 'set-HOME
(lambda _ (setenv "HOME" "/tmp")))))
(lambda ()
(and (member "esbuild" input-names)
'(add-after 'unpack 'process-javascript
(lambda* (#:key inputs #:allow-other-keys)
(with-directory-excursion "inst/"
(for-each (match-lambda
((source . target)
(minify source #:target target)))
'())))))))))
(fold (lambda (rule phases)
(let ((new-phase (rule)))
(if new-phase (cons new-phase phases) phases)))
(list)
rules)))
(define (maybe-arguments inputs)
"Generate a list for the arguments field that can be spliced into a package
S-expression."
(let ((input-names (map upstream-input-name inputs))
(esbuild-modules '(#:modules
'((guix build r-build-system)
(guix build minify-build-system)
(guix build utils)
(ice-9 match))
#:imported-modules
`(,@%r-build-system-modules
(guix build minify-build-system)))))
(match (phases-for-inputs input-names)
(() '())
(phases
`((arguments
(list
,@(if (member "esbuild" input-names)
esbuild-modules '())
#:phases
'(modify-phases %standard-phases
,@phases))))))))
(define* (description->package repository meta #:key (license-prefix identity)
(download-source download))
"Return the `package' s-expression for an R package published on REPOSITORY
@ -751,7 +797,7 @@ from the alist META, which was derived from the R package's DESCRIPTION file."
`((properties ,`(,'quasiquote ((,'upstream-name . ,name)))))
'())
(build-system r-build-system)
,@(maybe-arguments inputs)
,@(maybe-inputs (filter (upstream-input-type-predicate 'regular)
inputs)
'inputs)