* guix/scripts/search.scm (show-help, %options): Add -L/--load-path. * guix/scripts/show.scm (show-help, %options): Add -L/--load-path.
* guix/scripts/search.scm: New file. * Makefile.am (MODULES): Add it. * po/guix/POTFILES.in: Add it. * tests/guix-package-aliases.sh: Add test. * doc/guix.texi (Invoking guix package): Document it and use it in a couple of examples.