diff options
| -rw-r--r-- | doc/manual/conf-file.xml | 15 | ||||
| -rw-r--r-- | doc/manual/nix-build.xml | 2 | ||||
| -rw-r--r-- | doc/manual/nix-store.xml | 154 |
3 files changed, 170 insertions, 1 deletions
diff --git a/doc/manual/conf-file.xml b/doc/manual/conf-file.xml index f220c8374..1e164b823 100644 --- a/doc/manual/conf-file.xml +++ b/doc/manual/conf-file.xml @@ -261,6 +261,21 @@ build-use-chroot = /dev /proc /bin</programlisting> </varlistentry> + <varlistentry><term><literal>build-cache-failures</literal></term> + + <listitem><para>If set to <literal>true</literal>, Nix will + “cache” build failures, meaning that it will remember (in its + database) that a derivation previously failed. If you then try to + build the derivation again, Nix will immediately fail rather than + perform the build again. Failures in fixed-output derivations + (such as <function>fetchurl</function> calls) are never cached. + The “failed” status of a derivation can be cleared using + <command>nix-store --clear-failed-paths</command>. By default, + failure caching is disabled.</para></listitem> + + </varlistentry> + + <varlistentry><term><literal>system</literal></term> <listitem><para>This option specifies the canonical Nix system diff --git a/doc/manual/nix-build.xml b/doc/manual/nix-build.xml index e3508d92c..a11ed0a97 100644 --- a/doc/manual/nix-build.xml +++ b/doc/manual/nix-build.xml @@ -132,7 +132,7 @@ also <xref linkend="sec-common-options" />.</phrase></para> <refsection><title>Examples</title> <screen> -$ nix-build pkgs/top-level/all-packages.nix -A firefox +$ nix-build '<nixpkgs>' -A firefox store derivation is /nix/store/qybprl8sz2lc...-firefox-1.5.0.7.drv /nix/store/d18hyl92g30l...-firefox-1.5.0.7 diff --git a/doc/manual/nix-store.xml b/doc/manual/nix-store.xml index 6cc765bf2..13b6d1cfa 100644 --- a/doc/manual/nix-store.xml +++ b/doc/manual/nix-store.xml @@ -778,6 +778,44 @@ in Nix itself.</para> <!--######################################################################--> +<refsection><title>Operation <option>--verify-path</option></title> + +<refsection> + <title>Synopsis</title> + <cmdsynopsis> + <command>nix-store</command> + <arg choice='plain'><option>--verify-path</option></arg> + <arg choice='plain' rep='repeat'><replaceable>paths</replaceable></arg> + </cmdsynopsis> +</refsection> + +<refsection><title>Description</title> + +<para>The operation <option>--verify-paths</option> compares the +contents of the given store paths to their cryptographic hashes stored +in Nix’s database. For every changed path, it prints a warning +message. The exit status is 0 if no path has changed, and 1 +otherwise.</para> + +</refsection> + +<refsection><title>Example</title> + +<para>To verify the integrity of the <command>svn</command> command and all its dependencies: + +<screen> +$ nix-store --verify-path $(nix-store -qR $(which svn)) +</screen> + +</para> + +</refsection> + +</refsection> + + +<!--######################################################################--> + <refsection xml:id='refsec-nix-store-dump'><title>Operation <option>--dump</option></title> <refsection> @@ -1069,6 +1107,122 @@ loads it into the Nix database.</para> </refsection> +<!--######################################################################--> + +<refsection><title>Operation <option>--print-env</option></title> + +<refsection> + <title>Synopsis</title> + <cmdsynopsis> + <command>nix-store</command> + <arg choice='plain'><option>--print-env</option></arg> + <arg choice='plain'><replaceable>drvpath</replaceable></arg> + </cmdsynopsis> +</refsection> + +<refsection><title>Description</title> + +<para>The operation <option>--print-env</option> prints out the +environment of a derivation in a format that can be evaluated by a +shell. The command line arguments of the builder are placed in the +variable <envar>_args</envar>.</para> + +</refsection> + +<refsection><title>Example</title> + +<screen> +$ nix-store --print-env $(nix-instantiate '<nixpkgs>' -A firefox) +<replaceable>…</replaceable> +export src; src='/nix/store/plpj7qrwcz94z2psh6fchsi7s8yihc7k-firefox-12.0.source.tar.bz2' +export stdenv; stdenv='/nix/store/7c8asx3yfrg5dg1gzhzyq2236zfgibnm-stdenv' +export system; system='x86_64-linux' +export _args; _args='-e /nix/store/9krlzvny65gdc8s7kpb6lkx8cd02c25b-default-builder.sh' +</screen> + +</refsection> + +</refsection> + + +<!--######################################################################--> + +<refsection><title>Operation <option>--query-failed-paths</option></title> + +<refsection> + <title>Synopsis</title> + <cmdsynopsis> + <command>nix-store</command> + <arg choice='plain'><option>--query-failed-paths</option></arg> + </cmdsynopsis> +</refsection> + +<refsection><title>Description</title> + +<para>If build failure caching is enabled through the +<literal>build-cache-failures</literal> configuration option, the +operation <option>--query-failed-paths</option> will print out all +store paths that have failed to build.</para> + +</refsection> + +<refsection><title>Example</title> + +<screen> +$ nix-store --query-failed-paths +/nix/store/000zi5dcla86l92jn1g997jb06sidm7x-perl-PerlMagick-6.59 +/nix/store/0011iy7sfwbc1qj5a1f6ifjnbcdail8a-haskell-gitit-ghc7.0.4-0.8.1 +/nix/store/001c0yn1hkh86gprvrb46cxnz3pki7q3-gamin-0.1.10 +<replaceable>…</replaceable> +</screen> + +</refsection> + +</refsection> + + +<!--######################################################################--> + +<refsection><title>Operation <option>--clear-failed-paths</option></title> + +<refsection> + <title>Synopsis</title> + <cmdsynopsis> + <command>nix-store</command> + <arg choice='plain'><option>--clear-failed-paths</option></arg> + <arg choice='plain' rep='repeat'><replaceable>paths</replaceable></arg> + </cmdsynopsis> +</refsection> + +<refsection><title>Description</title> + +<para>If build failure caching is enabled through the +<literal>build-cache-failures</literal> configuration option, the +operation <option>--clear-failed-paths</option> clears the “failed” +state of the given store paths, allowing them to be built again. This +is useful if the failure was actually transient (e.g. because the disk +was full).</para> + +<para>If a path denotes a derivation, its output paths are cleared. +You can provide the argument <literal>*</literal> to clear all store +paths.</para> + +</refsection> + +<refsection><title>Example</title> + +<screen> +$ nix-store --clear-failed-path /nix/store/000zi5dcla86l92jn1g997jb06sidm7x-perl-PerlMagick-6.59 +$ nix-store --clear-failed-path * +</screen> + +</refsection> + +</refsection> + + +<!--######################################################################--> + <refsection condition="manpage"><title>Environment variables</title> <variablelist> |