diff options
Diffstat (limited to 'doc/manual/release-notes/rl-1.8.xml')
| -rw-r--r-- | doc/manual/release-notes/rl-1.8.xml | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/doc/manual/release-notes/rl-1.8.xml b/doc/manual/release-notes/rl-1.8.xml index 0e6150ccf5c7..310aa54796d6 100644 --- a/doc/manual/release-notes/rl-1.8.xml +++ b/doc/manual/release-notes/rl-1.8.xml @@ -8,6 +8,11 @@ <itemizedlist> + <listitem><para>Breaking change: to address a race condition, the + remote build hook mechanism now uses <command>nix-store + --serve</command> on the remote machine. This requires build slaves + to be updated to Nix 1.8.</para></listitem> + <listitem><para><command>nix-env</command> selectors are now regular expressions. For instance, you can do @@ -18,6 +23,42 @@ $ nix-env -qa '.*zip.*' to query all packages with a name containing <literal>zip</literal>.</para></listitem> + <listitem><para><command>nix-store --read-log</command> can now + fetch remote build logs. If a build log is not available locally, + then ‘nix-store -l’ will now try to download it from the servers + listed in the ‘log-servers’ option in nix.conf. For instance, if you + have the configuration option + +<programlisting> +log-servers = http://hydra.nixos.org/log +</programlisting> + +then it will try to get logs from +<literal>http://hydra.nixos.org/log/<replaceable>base name of the +store path</replaceable></literal>. This allows you to do things like: + +<screen> +$ nix-store -l $(which xterm) +</screen> + + and get a log even if <command>xterm</command> wasn't built + locally.</para></listitem> + + <listitem><para>New builtin functions: + <function>attrValues</function>, <function>deepSeq</function>, + <function>fromJSON</function>, <function>readDir</function>, + <function>seq</function>.</para></listitem> + + <listitem><para><command>nix-instantiate --eval</command> now has a + <option>--json</option> flag to print the resulting value in JSON + format.</para></listitem> + + <listitem><para><command>nix-copy-closure</command> now uses + <command>nix-store --serve</command> on the remote side to send or + receive closures. This fixes a race condition between + <command>nix-copy-closureE</command> and the garbage + collector.</para></listitem> + <listitem><para>Derivations can specify the new special attribute <varname>allowedRequisites</varname>, which has a similar meaning to <varname>allowedReferences</varname>. But instead of only enforcing @@ -26,6 +67,46 @@ $ nix-env -qa '.*zip.*' name, requisites) that are used by the resulting output.</para></listitem> + <listitem><para>On Mac OS X, Nix now handles case collisions when + importing closures from case-sensitive file systems. This is mostly + useful for running NixOps on Mac OS X.</para></listitem> + + <listitem><para>The Nix daemon has new configuration options + <option>allowed-users</option> (specifying the users and groups that + are allowed to connect to the daemon) and + <option>trusted-users</option> (specifying the users and groups that + can perform privileged operations like specifying untrusted binary + caches).</para></listitem> + + <listitem><para>The configuration option + <option>build-max-jobs</option> now defaults to the number of + available CPU cores.</para></listitem> + + <listitem><para>Build users are now used by default when Nix is + invoked as root. This prevents builds from accidentally running as + root.</para></listitem> + + <listitem><para>Nix now includes systemd units and Upstart + jobs.</para></listitem> + + <listitem><para>Speed improvements to <command>nix-store + --optimise</command>.</para></listitem> + + <listitem><para>Language change: the <literal>==</literal> operator + now ignores string contexts (the “dependencies” of a + string).</para></listitem> + + <listitem><para>Nix now filters out Nix-specific ANSI escape + sequences on standard error. They are supposed to be invisible, but + some terminals show them anyway.</para></listitem> + + <listitem><para>Various commands now automatically pipe their output + into the pager as specified by the <envar>PAGER</envar> environment + variable.</para></listitem> + + <listitem><para>Several improvements to reduce memory consumption in + the evaluator.</para></listitem> + </itemizedlist> </section> |