Simplify quick start section

doc/manual/quick-start.xml

@@ -11,56 +11,22 @@ to the following chapters.</para>
 
 <orderedlist>
 
-<listitem><para>Download a source tarball or RPM or Debian/Ubuntu
+<listitem><para>Install Nix by running the following:
-package from <link xlink:href='http://nixos.org/'/>.  Build source
-distributions using the regular sequence:
 
 <screen>
-$ tar xvfj nix-<replaceable>version</replaceable>.tar.bz2
+$ bash &lt;(curl https://nixos.org/nix/install)
-$ cd nix-<replaceable>version</replaceable>
+</screen>
-$ ./configure
-$ make
-$ make install <lineannotation>(as root)</lineannotation></screen>
 
-This will install the Nix binaries in <filename>/usr/local</filename>
+This will install Nix in <filename>/nix</filename>. The install script
-and keep the Nix store and other state in <filename>/nix</filename>.
+will create <filename>/nix</filename> using <command>sudo</command>,
-You can change the former by specifying
+so make sure you have sufficient rights.  (For other installation
-<option>--prefix=<replaceable>path</replaceable></option>.  The
+methods, see <xref linkend="chap-installation"/>.)</para></listitem>
-location of the store can be changed using
-<option>--with-store-dir=<replaceable>path</replaceable></option>.
-However, you shouldn't change the store location, if at all possible,
-since that will make it impossible to use pre-built binaries from the
-Nixpkgs channel and other channels.  The location of the state can be
-changed using
-<option>--localstatedir=<replaceable>path</replaceable>.</option></para></listitem>
-
-<listitem><para>You should add
-<filename><replaceable>prefix</replaceable>/etc/profile.d/nix.sh</filename>
-to your <filename>~/.profile</filename> (or some other login
-file).</para></listitem>
-
-<listitem><para>Subscribe to the Nix Packages channel.
-
-<screen>
-$ nix-channel --add http://nixos.org/channels/nixpkgs-unstable</screen>
-
-</para></listitem>
-
-<listitem><para>Download the latest Nix expressions available in the channel.
-<screen>
-$ nix-channel --update</screen>
-
-Note that this in itself doesn't download any packages, it just
-downloads the Nix expressions that build them and stores them
-somewhere (under <filename>~/.nix-defexpr</filename>, in case you're
-curious).  Also, it registers the fact that pre-built binaries are
-available remotely.</para></listitem>
 
 <listitem><para>See what installable packages are currently available
 in the channel:
 
 <screen>
-$ nix-env -qa \*
+$ nix-env -qa
 docbook-xml-4.2
 firefox-1.0pre-PR-0.10.1
 hello-2.1.1
@@ -72,7 +38,7 @@ libxslt-1.1.0
 <listitem><para>Install some packages from the channel:
 
 <screen>
-$ nix-env -i hello firefox <replaceable>...</replaceable> </screen>
+$ nix-env -i hello <replaceable>...</replaceable> </screen>
 
 This should download pre-built packages; it should not build them
 locally (if it does, something went wrong).</para></listitem>
@@ -84,8 +50,7 @@ $ which hello
 /home/eelco/.nix-profile/bin/hello
 $ hello
 Hello, world!
-$ firefox
+</screen>
-<lineannotation>(read Slashdot or something)</lineannotation></screen>
 
 </para></listitem>
 
@@ -99,7 +64,7 @@ $ nix-env -e hello</screen>
 <listitem><para>To keep up-to-date with the channel, do:
 
 <screen>
-$ nix-channel --update
+$ nix-channel --update nixpkgs
 $ nix-env -u '*'</screen>
 
 The latter command will upgrade each installed package for which there