115 lines
3.5 KiB
XML
115 lines
3.5 KiB
XML
<section xmlns="http://docbook.org/ns/docbook"
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xmlns:xlink="http://www.w3.org/1999/xlink"
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xml:id="sec-urxvt">
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<title>Urxvt</title>
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<para>
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Urxvt, also known as rxvt-unicode, is a highly customizable terminal emulator.
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</para>
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<section xml:id="sec-urxvt-conf">
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<title>Configuring urxvt</title>
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<para>
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In <literal>nixpkgs</literal>, urxvt is provided by the package
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<literal>rxvt-unicode</literal>. It can be configured to include your choice
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of plugins, reducing its closure size from the default configuration which
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includes all available plugins. To make use of this functionality, use an
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overlay or directly install an expression that overrides its configuration,
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such as
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<programlisting>
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rxvt-unicode.override {
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configure = { availablePlugins, ... }: {
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plugins = with availablePlugins; [ perls resize-font vtwheel ];
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};
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}
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</programlisting>
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If the <literal>configure</literal> function returns an attrset without the
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<literal>plugins</literal> attribute, <literal>availablePlugins</literal>
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will be used automatically.
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</para>
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<para>
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In order to add plugins but also keep all default plugins installed, it is
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possible to use the following method:
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<programlisting>
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rxvt-unicode.override {
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configure = { availablePlugins, ... }: {
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plugins = (builtins.attrValues availablePlugins) ++ [ custom-plugin ];
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};
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}
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</programlisting>
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</para>
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<para>
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To get a list of all the plugins available, open the Nix REPL and run
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<screen>
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<prompt>$ </prompt>nix repl
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:l <nixpkgs>
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map (p: p.name) pkgs.rxvt-unicode.plugins
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</screen>
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Alternatively, if your shell is bash or zsh and have completion enabled,
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simply type <literal>nixpkgs.rxvt-unicode.plugins.<tab></literal>.
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</para>
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<para>
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In addition to <literal>plugins</literal> the options
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<literal>extraDeps</literal> and <literal>perlDeps</literal> can be used
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to install extra packages.
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<literal>extraDeps</literal> can be used, for example, to provide
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<literal>xsel</literal> (a clipboard manager) to the clipboard plugin,
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without installing it globally:
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<programlisting>
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rxvt-unicode.override {
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configure = { availablePlugins, ... }: {
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pluginsDeps = [ xsel ];
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};
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}
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</programlisting>
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<literal>perlDeps</literal> is a handy way to provide Perl packages to
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your custom plugins (in <literal>$HOME/.urxvt/ext</literal>). For example,
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if you need <literal>AnyEvent</literal> you can do:
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<programlisting>
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rxvt-unicode.override {
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configure = { availablePlugins, ... }: {
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perlDeps = with perlPackages; [ AnyEvent ];
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};
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}
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</programlisting>
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</para>
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</section>
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<section xml:id="sec-urxvt-pkg">
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<title>Packaging urxvt plugins</title>
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<para>
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Urxvt plugins resides in
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<literal>pkgs/applications/misc/rxvt-unicode-plugins</literal>.
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To add a new plugin create an expression in a subdirectory and add the
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package to the set in
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<literal>pkgs/applications/misc/rxvt-unicode-plugins/default.nix</literal>.
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</para>
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<para>
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A plugin can be any kind of derivation, the only requirement is that it
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should always install perl scripts in <literal>$out/lib/urxvt/perl</literal>.
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Look for existing plugins for examples.
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</para>
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<para>
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If the plugin is itself a perl package that needs to be imported from
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other plugins or scripts, add the following passthrough:
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<programlisting>
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passthru.perlPackages = [ "self" ];
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</programlisting>
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This will make the urxvt wrapper pick up the dependency and set up the perl
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path accordingly.
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</para>
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</section>
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</section>
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