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search-paths: 'evaluate-search-paths' now returns spec/value pairs.

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* guix/search-paths.scm (evaluate-search-paths): Return
  specification/value pairs instead of variable/value pairs.
* guix/scripts/package.scm (search-path-environment-variables): Adjust
  accordingly.  Pass #:separator to 'environment-variable-definition'.
This commit is contained in:
Ludovic Courtès 2015-05-04 22:27:11 +02:00
parent b07901c0cc
commit 441cfb420a
2 changed files with 11 additions and 6 deletions
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8
guix/scripts/package.scm
View File

@ -383,8 +383,12 @@ current settings and report only settings not already effective."
(let ((search-paths (delete-duplicates
(append-map manifest-entry-search-paths entries))))
(filter-map (match-lambda
((variable . value)
(environment-variable-definition variable value)))
((spec . value)
(let ((variable (search-path-specification-variable spec))
(sep (search-path-specification-separator spec)))
;; TODO: Offer the choice between exact/prefix/suffix.
(environment-variable-definition variable value
#:separator sep))))
(evaluate-search-paths search-paths profile getenv))))
(define (display-search-paths entries profile)

9
guix/search-paths.scm
View File

@ -117,12 +117,13 @@ like `string-tokenize', but SEPARATOR is a string."
(define* (evaluate-search-paths search-paths directory
#:optional (getenv (const #f)))
"Evaluate SEARCH-PATHS, a list of search-path specifications, for DIRECTORY,
and return a list of variable/value pairs. Use GETENV to determine the
and return a list of specification/value pairs. Use GETENV to determine the
current settings and report only settings not already effective."
(define search-path-definition
(match-lambda
(($ <search-path-specification> variable files separator
type pattern)
((and spec
($ <search-path-specification> variable files separator
type pattern))
(let* ((values (or (and=> (getenv variable)
(cut string-tokenize* <> separator))
'()))
@ -141,7 +142,7 @@ current settings and report only settings not already effective."
#:pattern pattern))))
(if (every (cut member <> values) path)
#f ;VARIABLE is already set appropriately
(cons variable (string-join path separator)))))))
(cons spec (string-join path separator)))))))
(filter-map search-path-definition search-paths))