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| author | Ludovic Courtès <ludo@gnu.org> | 2013-11-18 23:08:20 +0100 |
|---|---|---|
| committer | Ludovic Courtès <ludo@gnu.org> | 2013-11-18 23:08:20 +0100 |
| commit | ac5de156ae5de8cb61870469863fb862b6a1205e (patch) | |
| tree | b1c13b61c7d3a66e1879f4b3eca28ae8f471e970 /doc | |
| parent | e900c5031f4ecf5ac3f131a908a2616871793f8c (diff) | |
| download | gnu-guix-ac5de156ae5de8cb61870469863fb862b6a1205e.tar gnu-guix-ac5de156ae5de8cb61870469863fb862b6a1205e.tar.gz | |
guix build: '-e' can be passed a monadic thunk.
* guix/ui.scm (read/eval): New procedure.
(read/eval-package-expression): Use it.
* guix/scripts/build.scm (derivations-from-package-expressions): Rename to...
(derivation-from-expression): ... this. Accept procedures, under the
assumption that they are monadic thunk.
(show-help): Adjust accordingly.
(guix-build): Ditto.
* tests/guix-build.sh: Add test.
* doc/guix.texi (Invoking guix build): Augment description of '-e'.
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/guix.texi | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index cfa5aac326..847c73ab8c 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -1483,12 +1483,16 @@ The @var{options} may be zero or more of the following: @item --expression=@var{expr} @itemx -e @var{expr} -Build the package @var{expr} evaluates to. +Build the package or derivation @var{expr} evaluates to. For example, @var{expr} may be @code{(@@ (gnu packages guile) guile-1.8)}, which unambiguously designates this specific variant of version 1.8 of Guile. +Alternately, @var{expr} may refer to a zero-argument monadic procedure +(@pxref{The Store Monad}). The procedure must return a derivation as a +monadic value, which is then passed through @code{run-with-store}. + @item --source @itemx -S Build the packages' source derivations, rather than the packages |