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import/cran: Enhance import pattern.

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* guix/import/cran.scm (import-pattern): Comment; capture direct namespace
imports as well as silent imports.

Change-Id: Ia54035d6f230d695aa950adb3e691cbce4f2d416
This commit is contained in:
Ricardo Wurmus 2024-12-01 09:05:37 +01:00 committed by Andreas Enge
parent 066d769293
commit 71f82174a5
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1 changed files with 23 additions and 7 deletions
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30
guix/import/cran.scm
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@ -552,10 +552,23 @@ (define (needed-libraries-in-directory dir)
(set)
(find-files dir "(Makevars(.in.*)?|configure.*)"))))
;; A pattern matching "library" or "require" statements, capturing the first
;; argument.
;; A pattern matching package imports. It detects uses of "library" or
;; "require", capturing the first argument; it also detects direct access of
;; namespaces via "::" or ":::", capturing the namespace.
(define import-pattern
(make-regexp "^ *(require|library)\\(\"?([^, \")]+)"))
(make-regexp
(string-append
;; Ignore leading spaces, but don't capture commented expressions.
"(^ *"
;; Quiet imports
"(suppressPackageStartupMessages\\()?"
;; the actual import statement.
"(require|library)\\(\"?([^, \")]+)"
;; Or perhaps...
"|"
;; ...direct namespace access.
" *([A-Za-z0-9]+):::?"
")")))
(define (needed-test-inputs-in-directory dir)
"Return a set of R package names that are found in library import
@ -581,8 +594,10 @@ (define (needed-test-inputs-in-directory dir)
(else
(loop
(fold (lambda (match acc)
(let ((imported (match:substring match 2)))
(if (or (string=? imported package-directory-name)
(let ((imported (or (match:substring match 4)
(match:substring match 5))))
(if (or (not imported)
(string=? imported package-directory-name)
(member imported default-r-packages))
acc
(set-insert imported acc))))
@ -623,8 +638,9 @@ (define (needed-vignettes-inputs-in-directory dir)
(else
(loop
(fold (lambda (match acc)
(let ((imported (match:substring match 2)))
(if (or (string=? imported package-directory-name)
(let ((imported (match:substring match 4)))
(if (or (not imported)
(string=? imported package-directory-name)
(member imported default-r-packages))
acc
(set-insert imported acc))))