98 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			XML
		
	
	
	
	
	
			
		
		
	
	
			98 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			XML
		
	
	
	
	
	
| <refentry xmlns="http://docbook.org/ns/docbook"
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|           xmlns:xlink="http://www.w3.org/1999/xlink"
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|           xmlns:xi="http://www.w3.org/2001/XInclude">
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| 
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| <refmeta>
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|   <refentrytitle><command>nixos-version</command></refentrytitle>
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|   <manvolnum>8</manvolnum>
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|   <refmiscinfo class="source">NixOS</refmiscinfo>
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| </refmeta>
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| 
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| <refnamediv>
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|   <refname><command>nixos-version</command></refname>
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|   <refpurpose>show the NixOS version</refpurpose>
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| </refnamediv>
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| 
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| <refsynopsisdiv>
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|   <cmdsynopsis>
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|     <command>nixos-version</command>
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|     <arg><option>--hash</option></arg>
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|     <arg><option>--revision</option></arg>
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|   </cmdsynopsis>
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| </refsynopsisdiv>
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| 
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| <refsection><title>Description</title>
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| 
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| <para>This command shows the version of the currently active NixOS
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| configuration. For example:
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| 
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| <screen>$ nixos-version
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| 16.03.1011.6317da4 (Emu)
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| </screen>
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| 
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| The version consists of the following elements:
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| 
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| <variablelist>
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| 
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|   <varlistentry>
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|     <term><literal>16.03</literal></term>
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|     <listitem><para>The NixOS release, indicating the year and month
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|     in which it was released (e.g. March 2016).</para></listitem>
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|   </varlistentry>
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| 
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|   <varlistentry>
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|     <term><literal>1011</literal></term>
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|     <listitem><para>The number of commits in the Nixpkgs Git
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|     repository between the start of the release branch and the commit
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|     from which this version was built. This ensures that NixOS
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|     versions are monotonically increasing. It is
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|     <literal>git</literal> when the current NixOS configuration was
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|     built from a checkout of the Nixpkgs Git repository rather than
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|     from a NixOS channel.</para></listitem>
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|   </varlistentry>
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| 
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|   <varlistentry>
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|     <term><literal>6317da4</literal></term>
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|     <listitem><para>The first 7 characters of the commit in the
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|     Nixpkgs Git repository from which this version was
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|     built.</para></listitem>
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|   </varlistentry>
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| 
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|   <varlistentry>
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|     <term><literal>Emu</literal></term>
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|     <listitem><para>The code name of the NixOS release. The first
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|     letter of the code name indicates that this is the N'th stable
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|     NixOS release; for example, Emu is the fifth
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|     release.</para></listitem>
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|   </varlistentry>
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| 
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| </variablelist>
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| 
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| </para>
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| 
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| </refsection>
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| 
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| 
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| <refsection><title>Options</title>
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| 
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| <para>This command accepts the following options:</para>
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| 
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| <variablelist>
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| 
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|   <varlistentry>
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|     <term><option>--hash</option></term>
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|     <term><option>--revision</option></term>
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|     <listitem>
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|       <para>Show the full SHA1 hash of the Git commit from which this
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|       configuration was built, e.g.
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| <screen>$ nixos-version --hash
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| 6317da40006f6bc2480c6781999c52d88dde2acf
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| </screen>
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|       </para>
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|     </listitem>
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|   </varlistentry>
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| </variablelist>
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| 
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| </refsection>
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| </refentry>
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