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authorMathieu Othacehe <m.othacehe@gmail.com>2017-12-12 16:06:47 +0100
committerMathieu Othacehe <m.othacehe@gmail.com>2017-12-15 12:15:15 +0100
commit5a72ddf176d53a7f4df922985d9d7fd4cfa160f5 (patch)
treedf7a61a6eb598dde8a0a71fff9aa0e858dd08b7f /doc/guix.texi
parentd65854bdda4ad5464fcd8fe6289eedc13ea82ba1 (diff)
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scripts: system: Add --expression option.
* guix/scripts/system.scm (show-help): Add expression option. (%options): Ditto. (guix-system): Allow commands taking a file as an argument to use an expression instead. (process-action): Read operating-system from expression or file. * doc/guix.texi (Invoking guix system): Introduce the expression option.
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diff --git a/doc/guix.texi b/doc/guix.texi
index 7625f30fbb..64f73b38a4 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -18744,6 +18744,14 @@ Build Options}). In addition, @var{options} can contain one of the
following:
@table @option
+@item --expression=@var{expr}
+@itemx -e @var{expr}
+Consider the operating-system @var{expr} evaluates to.
+This is an alternative to specifying a file which evaluates to an
+operating system.
+This is used to generate the GuixSD installer @pxref{Building the
+Installation Image}).
+
@item --system=@var{system}
@itemx -s @var{system}
Attempt to build for @var{system} instead of the host system type.