doc: Explain when guix edit is read-only.
* doc/guix.texi (Invoking guix edit): Explain when you can and can't edit the recipe. Signed-off-by: Alex Kost <alezost@gmail.com>
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@ -4536,8 +4536,9 @@ You can freely access a huge library of build logs!
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@cindex package definition, editing
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So many packages, so many source files! The @command{guix edit} command
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facilitates the life of packagers by pointing their editor at the source
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file containing the definition of the specified packages. For instance:
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facilitates the life of users and packagers by pointing their editor at
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the source file containing the definition of the specified packages.
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For instance:
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@example
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guix edit gcc@@4.9 vim
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@ -4545,9 +4546,15 @@ guix edit gcc@@4.9 vim
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@noindent
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launches the program specified in the @code{VISUAL} or in the
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@code{EDITOR} environment variable to edit the recipe of GCC@tie{}4.9.3
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@code{EDITOR} environment variable to view the recipe of GCC@tie{}4.9.3
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and that of Vim.
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If you are using a Guix Git checkout (@pxref{Building from Git}), or
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have created your own packages on @code{GUIX_PACKAGE_PATH}
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(@pxref{Defining Packages}), you will be able to edit the package
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recipes. Otherwise, you will be able to examine the read-only recipes
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for packages currently in the store.
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If you are using Emacs, note that the Emacs user interface provides the
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@kbd{M-x guix-edit} command and a similar functionality in the ``package
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info'' and ``package list'' buffers created by the @kbd{M-x
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