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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>Appendix B. Tools</title><link rel="stylesheet" type="text/css" href="style.css" /><link rel="stylesheet" type="text/css" href="overrides.css" /><link rel="stylesheet" type="text/css" href="mono-blue.css" /><script src="highlight.pack.js" type="text/javascript"></script><script src="highlight.load.js" type="text/javascript"></script><meta name="generator" content="DocBook XSL Stylesheets V1.79.2" /><link rel="home" href="index.html" title="Home Manager Manual" /><link rel="up" href="index.html" title="Home Manager Manual" /><link rel="prev" href="options.html" title="Appendix A. Configuration Options" /><link rel="next" href="release-notes.html" title="Appendix C. Release Notes" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Appendix B. Tools</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="options.html">Prev</a> </td><th width="60%" align="center"> </th><td width="20%" align="right"> <a accesskey="n" href="release-notes.html">Next</a></td></tr></table><hr /></div><div class="appendix"><div class="titlepage"><div><div><h1 class="title"><a id="ch-tools"></a>Appendix B. Tools</h1></div></div></div><div class="toc"><dl class="toc"><dt><span class="refentrytitle"><a href="tools.html#idm140737312189488"><span class="command"><strong>home-manager</strong></span>
</a></span><span class="refpurpose"> — reconfigure a user environment</span></dt></dl></div><div class="refentry"><a id="idm140737312189488"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p><span class="command"><strong>home-manager</strong></span>
— reconfigure a user environment</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="cmdsynopsis"><p><code class="command">home-manager</code> {
build
|
instantiate
|
edit
|
expire-generations <em class="replaceable"><code>timestamp</code></em>
|
generations
|
help
|
news
|
packages
|
remove-generations <em class="replaceable"><code>ID …</code></em>
|
switch
|
uninstall
}<br /> [
-A <em class="replaceable"><code>attrPath</code></em>
] [
-I <em class="replaceable"><code>path</code></em>
] [
-b <em class="replaceable"><code>ext</code></em>
] [
{
-f
|
--file
} <em class="replaceable"><code>path</code></em>
] [
{
-h
|
--help
}
] [
{
-n
|
--dry-run
}
] [
--option <em class="replaceable"><code>name</code></em> <em class="replaceable"><code>value</code></em>
] [
--cores <em class="replaceable"><code>number</code></em>
] [
{
-j
|
--max-jobs
}
<em class="replaceable"><code>number</code></em>
] [
--keep-failed
] [
--keep-going
] [
--show-trace
] [
--(no-)substitute
] [
{
-v
|
--verbose
}
]</p></div></div><div class="refsection"><a id="idm140737312155792"></a><h2>Description</h2><p>
This command updates the user environment so that it corresponds to the
configuration specified in <code class="filename">~/.config/nixpkgs/home.nix</code>.
</p><p>
All operations using this tool expects a sub-command that indicates the
operation to perform. It must be one of
</p><div class="variablelist"><dl class="variablelist"><dt><span class="term">
<code class="option">build</code>
</span></dt><dd><p>
Build configuration into a <code class="filename">result</code> directory.
</p></dd><dt><span class="term">
<code class="option">instantiate</code>
</span></dt><dd><p>
Instantiate the configuration and print the resulting derivation.
</p></dd><dt><span class="term">
<code class="option">edit</code>
</span></dt><dd><p>
Open the home configuration using the editor indicated by
<code class="envar">EDITOR</code>.
</p></dd><dt><span class="term">
<code class="option">expire-generations <em class="replaceable"><code>timestamp</code></em></code>
</span></dt><dd><p>
Remove generations older than <em class="replaceable"><code>timestamp</code></em> where
<em class="replaceable"><code>timestamp</code></em> is interpreted as in the
<code class="option">-d</code> argument of the <span class="citerefentry"><span class="refentrytitle">date</span>(1)</span> tool. For example <code class="literal">-30
days</code> or <code class="literal">2018-01-01</code>.
</p></dd><dt><span class="term">
<code class="option">generations</code>
</span></dt><dd><p>
List all home environment generations.
</p></dd><dt><span class="term">
<code class="option">help</code>
</span></dt><dd><p>
Print tool help.
</p></dd><dt><span class="term">
<code class="option">news</code>
</span></dt><dd><p>
Show news entries in a pager.
</p></dd><dt><span class="term">
<code class="option">packages</code>
</span></dt><dd><p>
List all packages installed in <code class="varname">home-manager-path</code>.
</p></dd><dt><span class="term">
<code class="option">remove-generations <em class="replaceable"><code>ID …</code></em></code>
</span></dt><dd><p>
Remove indicated generations. Use the <code class="option">generations</code>
sub-command to find suitable generation numbers.
</p></dd><dt><span class="term">
<code class="option">switch</code>
</span></dt><dd><p>
Build and activate the configuration.
</p></dd><dt><span class="term">
<code class="option">uninstall</code>
</span></dt><dd><p>
Remove Home Manager from the user environment. This will
</p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>
remove all managed files from the home directory,
</p></li><li class="listitem"><p>
remove packages installed through Home Manager from the user profile,
and
</p></li><li class="listitem"><p>
optionally remove all Home Manager generations and make them
available for immediate garbage collection.
</p></li></ul></div><p>
</p></dd></dl></div><p>
</p></div><div class="refsection"><a id="idm140737312122272"></a><h2>Options</h2><p>
The tool accepts the options
</p><div class="variablelist"><dl class="variablelist"><dt><span class="term">
<code class="option">-A <em class="replaceable"><code>attrPath</code></em></code>
</span></dt><dd><p>
Optional attribute that selects a configuration expression in the
configuration file. That is, if <code class="filename">home.nix</code> contains
</p><pre class="programlisting nix">
{
joe-at-work = {pkgs, ...}: { home.packages = [ pkgs.fortune ]; };
joe-at-home = {pkgs, ...}: { home.packages = [ pkgs.cowsay ]; };
}
</pre><p>
then the command <span class="command"><strong>home-manager switch -A joe-at-work</strong></span>
will activate the profile containing the fortune program.
</p></dd><dt><span class="term">
<code class="option">-I <em class="replaceable"><code>path</code></em></code>
</span></dt><dd><p>
Add a path to the Nix expression search path. For example, to build a
Home Manager profile using a specific Nixpkgs run <span class="command"><strong>home-manager
-I nixpkgs=/absolute/path/to/nixpkgs build</strong></span>. By default
<code class="literal">&lt;nixpkgs&gt;</code> is used.
</p></dd><dt><span class="term">
<code class="option">-b <em class="replaceable"><code>extension</code></em></code>
</span></dt><dd><p>
Enable automatic resolution of collisions between unmanaged and managed
files. The name of the original file will be suffixed by the given
extension. For example,
</p><pre class="screen">
<code class="prompt">$</code> <strong class="userinput"><code>home-manager -b bck switch</code></strong>
</pre><p>
will cause a colliding file <code class="filename">~/.config/foo.conf</code> to be
moved to <code class="filename">~/.config/foo.conf.bck</code>.
</p></dd><dt><span class="term">
<code class="option">-f <em class="replaceable"><code>path</code></em></code>
, </span><span class="term">
<code class="option">--file <em class="replaceable"><code>path</code></em></code>
</span></dt><dd><p>
Indicates the path to the Home Manager configuration file. If not given,
<code class="filename">~/.config/nixpkgs/home.nix</code> is used.
</p></dd><dt><span class="term">
<code class="option">-h</code>
, </span><span class="term">
<code class="option">--help</code>
</span></dt><dd><p>
Prints usage information for the <span class="command"><strong>home-manager</strong></span> tool.
</p></dd><dt><span class="term">
<code class="option">-n</code>
, </span><span class="term">
<code class="option">--dry-run</code>
</span></dt><dd><p>
Perform a dry-run of the given operation, only prints what actions would
be taken.
</p></dd><dt><span class="term">
<code class="option">--option <em class="replaceable"><code>name</code></em> <em class="replaceable"><code>value</code></em></code>
</span></dt><dd><p>
Passed on to <span class="citerefentry"><span class="refentrytitle">nix-build</span>(1)</span>.
</p></dd><dt><span class="term">
<code class="option">--cores <em class="replaceable"><code>number</code></em></code>
</span></dt><dd><p>
Passed on to <span class="citerefentry"><span class="refentrytitle">nix-build</span>(1)</span>.
</p></dd><dt><span class="term">
<code class="option">-j <em class="replaceable"><code>number</code></em></code>
, </span><span class="term">
<code class="option">--max-jobs <em class="replaceable"><code>number</code></em></code>
</span></dt><dd><p>
Passed on to <span class="citerefentry"><span class="refentrytitle">nix-build</span>(1)</span>.
</p></dd><dt><span class="term">
<code class="option">--keep-failed</code>
</span></dt><dd><p>
Passed on to <span class="citerefentry"><span class="refentrytitle">nix-build</span>(1)</span>.
</p></dd><dt><span class="term">
<code class="option">--keep-going</code>
</span></dt><dd><p>
Passed on to <span class="citerefentry"><span class="refentrytitle">nix-build</span>(1)</span>.
</p></dd><dt><span class="term">
<code class="option">--show-trace</code>
</span></dt><dd><p>
Passed on to <span class="citerefentry"><span class="refentrytitle">nix-build</span>(1)</span>.
</p></dd><dt><span class="term">
<code class="option">--(no-)substitute</code>
</span></dt><dd><p>
Passed on to <span class="citerefentry"><span class="refentrytitle">nix-build</span>(1)</span>.
</p></dd><dt><span class="term">
<code class="option">-v</code>
, </span><span class="term">
<code class="option">--verbose</code>
</span></dt><dd><p>
Activates verbose output.
</p></dd></dl></div></div><div class="refsection"><a id="idm140737312071168"></a><h2>Files</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term">
<code class="filename">~/.local/share/home-manager/news-read-ids</code>
</span></dt><dd><p>
Identifiers of news items that have been shown. Can be deleted to reset
the read news indicator.
</p></dd></dl></div></div><div class="refsection"><a id="idm140737312067872"></a><h2>Bugs</h2><p>
Please report any bugs on the
<a class="link" href="https://github.com/nix-community/home-manager/issues" target="_top">project
issue tracker</a>.
</p></div><div class="refsection"><a id="idm140737312065872"></a><h2>See also</h2><p>
<span class="citerefentry"><span class="refentrytitle">home-configuration.nix</span>(5)</span>
</p></div></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="options.html">Prev</a> </td><td width="20%" align="center"> </td><td width="40%" align="right"> <a accesskey="n" href="release-notes.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">Appendix A. Configuration Options </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> Appendix C. Release Notes</td></tr></table></div></body></html>
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