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Diffstat (limited to 'doc/guix.texi')
| -rw-r--r-- | doc/guix.texi | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index ec784ce349..a07c277e70 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -514,6 +514,19 @@ Thus, when installing MPC, the MPFR and GMP libraries also get installed in the profile; removing MPC also removes MPFR and GMP---unless they had also been explicitly installed independently. +@item --install-from-expression=@var{exp} +@itemx -e @var{exp} +Install the package @var{exp} evaluates to. + +@var{exp} must be a Scheme expression that evaluates to a +@code{<package>} object. This option is notably useful to disambiguate +between same-named variants of a package, with expressions such as +@code{(@@ (gnu packages base) guile-final)}. + +Note that this option installs the first output of the specified +package, which may be insufficient when needing a specific output of a +multiple-output package. + @item --remove=@var{package} @itemx -r @var{package} Remove @var{package}. |