--- a/doc/guix.texi +++ b/doc/guix.texi @@ -6154,11 +6154,15 @@ facility is implemented in the @code{(gnu packages)} module. @cindex package module search path Users can store package definitions in modules with different names---e.g., @code{(my-packages emacs)}@footnote{Note that the file -name and module name must match. @xref{Modules and the File System,,, -guile, GNU Guile Reference Manual}, for details.} These package definitions +name and module name must match. For instance, the @code{(my-packages +emacs)} module must be stored in a @file{my-packages/emacs.scm} file +relative to the load path specified with @option{--load-path} or +@code{GUIX_PACKAGE_PATH}. @xref{Modules and the File System,,, +guile, GNU Guile Reference Manual}, for details.}. These package definitions will not be visible by default. Thus, users can invoke commands such as @command{guix package} and @command{guix build} have to be used with the -@code{-e} option so that they know where to find the package, or use the +@code{-e} option so that they know where to find the package. Better +yet, they can use the @code{-L} option of these commands to make those modules visible (@pxref{Invoking guix build, @code{--load-path}}), or define the @code{GUIX_PACKAGE_PATH} environment variable. This environment