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| -rw-r--r-- | doc/guix.texi | 53 |
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diff --git a/doc/guix.texi b/doc/guix.texi index 42b3fbad21..979288c3be 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -3022,59 +3022,6 @@ best course of action for that is to write the build code as a ``G-expression'', and to pass it to @code{gexp->derivation}. For more information, @pxref{G-Expressions}. -Once upon a time, @code{gexp->derivation} did not exist and constructing -derivations with build code written in Scheme was achieved with -@code{build-expression->derivation}, documented below. This procedure -is now deprecated in favor of the much nicer @code{gexp->derivation}. - -@deffn {Scheme Procedure} build-expression->derivation @var{store} @ - @var{name} @var{exp} @ - [#:system (%current-system)] [#:inputs '()] @ - [#:outputs '("out")] [#:hash #f] [#:hash-algo #f] @ - [#:recursive? #f] [#:env-vars '()] [#:modules '()] @ - [#:references-graphs #f] [#:allowed-references #f] @ - [#:local-build? #f] [#:substitutable? #t] [#:guile-for-build #f] -Return a derivation that executes Scheme expression @var{exp} as a -builder for derivation @var{name}. @var{inputs} must be a list of -@code{(name drv-path sub-drv)} tuples; when @var{sub-drv} is omitted, -@code{"out"} is assumed. @var{modules} is a list of names of Guile -modules from the current search path to be copied in the store, -compiled, and made available in the load path during the execution of -@var{exp}---e.g., @code{((guix build utils) (guix build -gnu-build-system))}. - -@var{exp} is evaluated in an environment where @code{%outputs} is bound -to a list of output/path pairs, and where @code{%build-inputs} is bound -to a list of string/output-path pairs made from @var{inputs}. -Optionally, @var{env-vars} is a list of string pairs specifying the name -and value of environment variables visible to the builder. The builder -terminates by passing the result of @var{exp} to @code{exit}; thus, when -@var{exp} returns @code{#f}, the build is considered to have failed. - -@var{exp} is built using @var{guile-for-build} (a derivation). When -@var{guile-for-build} is omitted or is @code{#f}, the value of the -@code{%guile-for-build} fluid is used instead. - -See the @code{derivation} procedure for the meaning of -@var{references-graphs}, @var{allowed-references}, @var{local-build?}, -and @var{substitutable?}. -@end deffn - -@noindent -Here's an example of a single-output derivation that creates a directory -containing one file: - -@lisp -(let ((builder '(let ((out (assoc-ref %outputs "out"))) - (mkdir out) ; create /gnu/store/@dots{}-goo - (call-with-output-file (string-append out "/test") - (lambda (p) - (display '(hello guix) p)))))) - (build-expression->derivation store "goo" builder)) - -@result{} #<derivation /gnu/store/@dots{}-goo.drv => @dots{}> -@end lisp - @node The Store Monad @section The Store Monad |