Rename ‘nix-build --run-env’ to ‘nix-shell’
This commit is contained in:
Eelco Dolstra
parent
dc5f2e7da6
commit
2bc5de8635
7 changed files with 201 additions and 92 deletions
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@ -16,7 +16,7 @@ dblatex_opts = \
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# Note: we use GIF for now, since the PNGs shipped with Docbook aren't
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# transparent.
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man1_MANS = nix-env.1 nix-build.1 nix-store.1 nix-instantiate.1 \
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man1_MANS = nix-env.1 nix-build.1 nix-shell.1 nix-store.1 nix-instantiate.1 \
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nix-collect-garbage.1 nix-push.1 nix-pull.1 \
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nix-prefetch-url.1 nix-channel.1 \
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nix-install-package.1 nix-hash.1 nix-copy-closure.1
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@ -19,11 +19,11 @@
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</author>
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<copyright>
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<year>2004-2012</year>
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<year>2004-2013</year>
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<holder>Eelco Dolstra</holder>
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</copyright>
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<date>May 2012</date>
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<date>July 2013</date>
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</info>
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@ -51,6 +51,7 @@
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<section>
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<title>Utilities</title>
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<xi:include href="nix-build.xml" />
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<xi:include href="nix-shell.xml" />
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<xi:include href="nix-channel.xml" />
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<xi:include href="nix-collect-garbage.xml" />
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<xi:include href="nix-copy-closure.xml" />
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@ -38,12 +38,6 @@
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</group>
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<replaceable>outlink</replaceable>
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</arg>
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<arg>
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<option>--run-env</option>
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<arg><option>--command</option> <replaceable>cmd</replaceable></arg>
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<arg><option>--exclude</option> <replaceable>regexp</replaceable></arg>
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<arg><option>--pure</option></arg>
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</arg>
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<arg choice='plain' rep='repeat'><replaceable>paths</replaceable></arg>
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</cmdsynopsis>
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</refsynopsisdiv>
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@ -76,14 +70,6 @@ a root of the Nix garbage collector. This root disappears
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automatically when the <filename>result</filename> symlink is deleted
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or renamed. So don’t rename the symlink.</para></warning>
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<para>The subcommand <command>nix-build --run-env</command> will build
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the dependencies of the derivation, but not the derivation itself. It
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will then start an interactive shell in which all environment
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variables defined by the derivation have been set to their
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corresponding values, and the script <literal>$stdenv/setup</literal>
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has been sourced. This is useful for reproducing the environment of a
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derivation for development.</para>
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</refsection>
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@ -136,50 +122,12 @@ also <xref linkend="sec-common-options" />.</phrase></para>
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</variablelist>
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<para>The following common options are supported:</para>
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<variablelist condition="manpage">
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<xi:include href="opt-common.xml#xmlns(db=http://docbook.org/ns/docbook)xpointer(//db:variablelist[@xml:id='opt-common']/*)" />
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</variablelist>
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<para>The following options apply to <command>nix-build --run-env</command>.</para>
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<variablelist>
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<varlistentry><term><option>--command</option> <replaceable>cmd</replaceable></term>
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<listitem><para>In the environment of the derivation, run the
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shell command <replaceable>cmd</replaceable> instead of starting
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an interactive shell. However, if you end the shell command with
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<literal>return</literal>, you still get an interactive shell.
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This can be useful for doing any additional
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initialisation.</para></listitem>
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</varlistentry>
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<varlistentry><term><option>--exclude</option> <replaceable>regexp</replaceable></term>
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<listitem><para>Do not build any dependencies whose store path
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matches the regular expression <replaceable>regexp</replaceable>.
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This option may be specified multiple times.</para></listitem>
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</varlistentry>
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<varlistentry><term><option>--pure</option></term>
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<listitem><para>If this flag is specified, the environment is
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almost entirely cleared before the interactive shell is started,
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so you get an environment that more closely corresponds to the
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“real” Nix build. A few variables, in particular
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<envar>HOME</envar>, <envar>USER</envar> and
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<envar>DISPLAY</envar>, are retained. Note that
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<filename>~/.bashrc</filename> and (depending on your Bash
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installation) <filename>/etc/bashrc</filename> are still sourced,
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so any variables set there will affect the interactive
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shell.</para></listitem>
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</varlistentry>
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</variablelist>
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</refsection>
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@ -196,28 +144,6 @@ lrwxrwxrwx <replaceable>...</replaceable> result -> /nix/store/d18hyl92g30l...
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$ ls ./result/bin/
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firefox firefox-config</screen>
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<para>To build the dependencies of the package Pan, and start an
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interactive shell in which to build it:
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<screen>
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$ nix-build '<nixpkgs>' --run-env -A pan
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$ unpackPhase
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$ cd pan-*
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$ configurePhase
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$ buildPhase
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$ ./pan/gui/pan
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</screen>
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To clear the environment first, and do some additional automatic
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initialisation of the interactive shell:
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<screen>
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$ nix-build '<nixpkgs>' --run-env -A pan --pure \
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--command 'export NIX_DEBUG=1; export NIX_CORES=8; return'
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</screen>
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</para>
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<para>If a derivation has multiple outputs,
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<command>nix-build</command> will build the default (first) output.
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You can also build all outputs:
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142
doc/manual/nix-shell.xml
Normal file
142
doc/manual/nix-shell.xml
Normal file
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@ -0,0 +1,142 @@
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<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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xml:id="sec-nix-shell">
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<refmeta>
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<refentrytitle>nix-shell</refentrytitle>
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<manvolnum>1</manvolnum>
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<refmiscinfo class="source">Nix</refmiscinfo>
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<refmiscinfo class="version"><xi:include href="version.txt" parse="text"/></refmiscinfo>
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</refmeta>
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<refnamediv>
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<refname>nix-shell</refname>
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<refpurpose>start an interactive shell based on a Nix expression</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<cmdsynopsis>
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<command>nix-shell</command>
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<xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="opt-common-syn.xml#xmlns(db=http://docbook.org/ns/docbook)xpointer(/db:nop/*)" />
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<arg><option>--arg</option> <replaceable>name</replaceable> <replaceable>value</replaceable></arg>
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<arg><option>--argstr</option> <replaceable>name</replaceable> <replaceable>value</replaceable></arg>
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<arg>
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<group choice='req'>
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<arg choice='plain'><option>--attr</option></arg>
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<arg choice='plain'><option>-A</option></arg>
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</group>
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<replaceable>attrPath</replaceable>
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</arg>
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<arg><option>--command</option> <replaceable>cmd</replaceable></arg>
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<arg><option>--exclude</option> <replaceable>regexp</replaceable></arg>
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<arg><option>--pure</option></arg>
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<arg choice='plain' rep='repeat'><replaceable>paths</replaceable></arg>
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</cmdsynopsis>
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</refsynopsisdiv>
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<refsection><title>Description</title>
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<para>The command <command>nix-shell --run-env</command> will build
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the dependencies of the specified derivation, but not the derivation
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itself. It will then start an interactive shell in which all
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environment variables defined by the derivation have been set to their
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corresponding values, and the script <literal>$stdenv/setup</literal>
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has been sourced. This is useful for reproducing the environment of a
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derivation for development.</para>
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</refsection>
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<refsection><title>Options</title>
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<para>All options not listed here are passed to <command>nix-store
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--realise</command>, except for <option>--arg</option> and
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<option>--attr</option> / <option>-A</option> which are passed to
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<command>nix-instantiate</command>. <phrase condition="manual">See
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also <xref linkend="sec-common-options" />.</phrase></para>
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<variablelist>
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<varlistentry><term><option>--command</option> <replaceable>cmd</replaceable></term>
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<listitem><para>In the environment of the derivation, run the
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shell command <replaceable>cmd</replaceable> instead of starting
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an interactive shell. However, if you end the shell command with
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<literal>return</literal>, you still get an interactive shell.
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This can be useful for doing any additional
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initialisation.</para></listitem>
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</varlistentry>
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<varlistentry><term><option>--exclude</option> <replaceable>regexp</replaceable></term>
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<listitem><para>Do not build any dependencies whose store path
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matches the regular expression <replaceable>regexp</replaceable>.
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This option may be specified multiple times.</para></listitem>
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</varlistentry>
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<varlistentry><term><option>--pure</option></term>
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<listitem><para>If this flag is specified, the environment is
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almost entirely cleared before the interactive shell is started,
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so you get an environment that more closely corresponds to the
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“real” Nix build. A few variables, in particular
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<envar>HOME</envar>, <envar>USER</envar> and
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<envar>DISPLAY</envar>, are retained. Note that
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<filename>~/.bashrc</filename> and (depending on your Bash
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installation) <filename>/etc/bashrc</filename> are still sourced,
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so any variables set there will affect the interactive
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shell.</para></listitem>
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</varlistentry>
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</variablelist>
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<para>The following common options are supported:</para>
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<variablelist condition="manpage">
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<xi:include href="opt-common.xml#xmlns(db=http://docbook.org/ns/docbook)xpointer(//db:variablelist[@xml:id='opt-common']/*)" />
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</variablelist>
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</refsection>
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<refsection><title>Examples</title>
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<para>To build the dependencies of the package Pan, and start an
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interactive shell in which to build it:
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<screen>
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$ nix-shell '<nixpkgs>' -A pan
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$ unpackPhase
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$ cd pan-*
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$ configurePhase
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$ buildPhase
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$ ./pan/gui/pan
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</screen>
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To clear the environment first, and do some additional automatic
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initialisation of the interactive shell:
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<screen>
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$ nix-shell '<nixpkgs>' -A pan --pure \
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--command 'export NIX_DEBUG=1; export NIX_CORES=8; return'
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</screen>
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</para>
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</refsection>
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<refsection condition="manpage"><title>Environment variables</title>
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<variablelist>
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<xi:include href="env-common.xml#xmlns(db=http://docbook.org/ns/docbook)xpointer(//db:variablelist[@xml:id='env-common']/*)" />
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</variablelist>
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</refsection>
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</refentry>
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@ -6,6 +6,43 @@
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<!--==================================================================-->
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<section xml:id="ssec-relnotes-1.6.0"><title>Release 1.6.0 (TBA)</title>
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<itemizedlist>
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<listitem>
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<para>The command <command>nix-build --run-env</command> has been
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renamed to <command>nix-shell</command>.</para>
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</listitem>
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<listitem>
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<para><command>nix-shell</command> now sources
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<filename>$stdenv/setup</filename> <emphasis>inside</emphasis> the
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interactive shell, rather than in a parent shell. This ensures
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that shell functions defined by <literal>stdenv</literal> can be
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used in the interactive shell.</para>
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</listitem>
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<listitem>
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<para><command>nix-shell</command> has a new flag
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<option>--pure</option> to clear the environment, so you get an
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environment that more closely corresponds to the “real” Nix build.
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</para>
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</listitem>
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<listitem>
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<para><command>nix-shell</command> now sets the shell prompt
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(<envar>PS1</envar>) to ensure that Nix shells are distinguishable
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from your regular shells.</para>
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</listitem>
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</itemizedlist>
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</section>
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<!--==================================================================-->
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<section xml:id="ssec-relnotes-1.5.3"><title>Release 1.5.3 (June 17, 2013)</title>
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@ -18,6 +18,7 @@ install-exec-local: download-using-manifests.pl copy-from-other-stores.pl downlo
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$(INSTALL) -d $(DESTDIR)$(libexecdir)/nix/substituters
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$(INSTALL_PROGRAM) download-using-manifests.pl copy-from-other-stores.pl download-from-binary-cache.pl $(DESTDIR)$(libexecdir)/nix/substituters
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$(INSTALL) -d $(DESTDIR)$(sysconfdir)/nix
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ln -sf nix-build $(DESTDIR)$(bindir)/nix-shell
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include ../substitute.mk
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@ -9,7 +9,7 @@ use File::Temp qw(tempdir);
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my $dryRun = 0;
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my $verbose = 0;
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my $runEnv = 0;
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my $runEnv = $0 =~ /nix-shell$/;
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my $pure = 0;
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my @instArgs = ();
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@ -20,8 +20,10 @@ my $shell = $ENV{SHELL} || "/bin/sh";
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my $envCommand = ""; # interactive shell
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my @envExclude = ();
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my $myName = $runEnv ? "nix-shell" : "nix-build";
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my $tmpDir = tempdir("nix-build.XXXXXX", CLEANUP => 1, TMPDIR => 1)
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my $tmpDir = tempdir("$myName.XXXXXX", CLEANUP => 1, TMPDIR => 1)
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or die "cannot create a temporary directory";
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my $outLink = "./result";
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@ -35,11 +37,11 @@ for (my $n = 0; $n < scalar @ARGV; $n++) {
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my $arg = $ARGV[$n];
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if ($arg eq "--help") {
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exec "man nix-build" or die;
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exec "man $myName" or die;
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}
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elsif ($arg eq "--version") {
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print "nix-build (Nix) $Nix::Config::version\n";
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print "$myName (Nix) $Nix::Config::version\n";
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exit 0;
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}
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@ -119,7 +121,7 @@ for (my $n = 0; $n < scalar @ARGV; $n++) {
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push @instArgs, $arg;
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}
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elsif ($arg eq "--run-env") {
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elsif ($arg eq "--run-env") { # obsolete
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$runEnv = 1;
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}
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@ -164,7 +166,7 @@ foreach my $expr (@exprs) {
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}
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if ($runEnv) {
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die "$0: ‘--run-env’ requires a single derivation\n" if scalar @drvPaths != 1;
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die "$0: a single derivation is required\n" if scalar @drvPaths != 1;
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my $drvPath = readlink $drvPaths[0] or die "cannot read symlink `$drvPaths[0]'";
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my $drv = derivationFromPath($drvPath);
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@ -197,7 +199,7 @@ foreach my $expr (@exprs) {
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'[ -e $stdenv/setup ] && source $stdenv/setup; ' .
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($pure ? '' : 'PATH=$PATH:$p; ') .
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'set +e; ' .
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'PS1="\n\[\033[1;32m\][nix-build:\w]$\[\033[0m\] "; ' .
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'PS1="\n\[\033[1;32m\][nix-shell:\w]$\[\033[0m\] "; ' .
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$envCommand);
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exec($ENV{NIX_BUILD_SHELL} // "bash", "--rcfile", $rcfile);
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die;
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