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Diffstat (limited to 'doc/guix.texi')
| -rw-r--r-- | doc/guix.texi | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index 535e7614fd..3557c977e1 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -8661,6 +8661,26 @@ Return the complete file name for @var{program} as found in @code{$PATH}, or @code{#f} if @var{program} could not be found. @end deffn +@deffn {Scheme Procedure} search-input-file @var{inputs} @var{name} +Return the complete file name for @var{name} as found in @var{inputs}. +If @var{name} could not be found, an exception is raised instead. +Here, @var{inputs} is an association list like @var{inputs} and +@var{native-inputs} as available to build phases. +@end deffn + +Here is a (simplified) example of how @code{search-input-file} is used +in a build phase of the @code{wireguard-tools} package: + +@lisp +(add-after 'install 'wrap-wg-quick + (lambda* (#:key inputs outputs #:allow-other-keys) + (let ((coreutils (string-append (assoc-ref inputs "coreutils") + "/bin"))) + (wrap-program (search-input-file outputs "bin/wg-quick") + #:sh (search-input-file inputs "bin/bash") + `("PATH" ":" prefix ,(list coreutils)))))) +@end lisp + @subsection Build Phases @cindex build phases |