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author | Ludovic Courtès <ludo@gnu.org> | 2013-03-01 21:12:32 +0100 |
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committer | Ludovic Courtès <ludo@gnu.org> | 2013-03-01 21:54:56 +0100 |
commit | 5d4b411f8a3372455a8c92d10a28e88e9edba6eb (patch) | |
tree | a5ae425d43fa307dc3e86166d1901905727c66b3 /doc/guix.texi | |
parent | 431a35518f74f50238ccc106a6a3121a9fcc11b9 (diff) | |
download | guix-5d4b411f8a3372455a8c92d10a28e88e9edba6eb.tar guix-5d4b411f8a3372455a8c92d10a28e88e9edba6eb.tar.gz |
guix package: Add `--install-from-expression'.
* guix/scripts/package.scm (read/eval-package-expression): New
procedure.
(show-help): Add `-e'.
(%options): Likewise.
(guix-package)[process-actions]: Handle ('install . p) pairs, where P
is a package.
* tests/guix-package.sh: Add `boot_make_drv'. Use `-i $boot_make_drv'
once, and then use `-e $boot_make'.
* doc/guix.texi (Invoking guix package): Document `-e'.
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}. |