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Diffstat (limited to 'doc/manual/release-notes/rl-2.2.xml')
| -rw-r--r-- | doc/manual/release-notes/rl-2.2.xml | 143 |
1 files changed, 0 insertions, 143 deletions
diff --git a/doc/manual/release-notes/rl-2.2.xml b/doc/manual/release-notes/rl-2.2.xml deleted file mode 100644 index d29eb87e8..000000000 --- a/doc/manual/release-notes/rl-2.2.xml +++ /dev/null @@ -1,143 +0,0 @@ -<section xmlns="http://docbook.org/ns/docbook" - xmlns:xlink="http://www.w3.org/1999/xlink" - xmlns:xi="http://www.w3.org/2001/XInclude" - version="5.0" - xml:id="ssec-relnotes-2.2"> - -<title>Release 2.2 (2019-01-11)</title> - -<para>This is primarily a bug fix release. It also has the following -changes:</para> - -<itemizedlist> - - <listitem> - <para>In derivations that use structured attributes (i.e. that - specify set the <varname>__structuredAttrs</varname> attribute to - <literal>true</literal> to cause all attributes to be passed to - the builder in JSON format), you can now specify closure checks - per output, e.g.: - -<programlisting> -outputChecks."out" = { - # The closure of 'out' must not be larger than 256 MiB. - maxClosureSize = 256 * 1024 * 1024; - - # It must not refer to C compiler or to the 'dev' output. - disallowedRequisites = [ stdenv.cc "dev" ]; -}; - -outputChecks."dev" = { - # The 'dev' output must not be larger than 128 KiB. - maxSize = 128 * 1024; -}; -</programlisting> - - </para> - </listitem> - - - <listitem> - <para>The derivation attribute - <varname>requiredSystemFeatures</varname> is now enforced for - local builds, and not just to route builds to remote builders. - The supported features of a machine can be specified through the - configuration setting <varname>system-features</varname>.</para> - - <para>By default, <varname>system-features</varname> includes - <literal>kvm</literal> if <filename>/dev/kvm</filename> - exists. For compatibility, it also includes the pseudo-features - <literal>nixos-test</literal>, <literal>benchmark</literal> and - <literal>big-parallel</literal> which are used by Nixpkgs to route - builds to particular Hydra build machines.</para> - - </listitem> - - <listitem> - <para>Sandbox builds are now enabled by default on Linux.</para> - </listitem> - - <listitem> - <para>The new command <command>nix doctor</command> shows - potential issues with your Nix installation.</para> - </listitem> - - <listitem> - <para>The <literal>fetchGit</literal> builtin function now uses a - caching scheme that puts different remote repositories in distinct - local repositories, rather than a single shared repository. This - may require more disk space but is faster.</para> - </listitem> - - <listitem> - <para>The <literal>dirOf</literal> builtin function now works on - relative paths.</para> - </listitem> - - <listitem> - <para>Nix now supports <link - xlink:href="https://www.w3.org/TR/SRI/">SRI hashes</link>, - allowing the hash algorithm and hash to be specified in a single - string. For example, you can write: - -<programlisting> -import <nix/fetchurl.nix> { - url = https://nixos.org/releases/nix/nix-2.1.3/nix-2.1.3.tar.xz; - hash = "sha256-XSLa0FjVyADWWhFfkZ2iKTjFDda6mMXjoYMXLRSYQKQ="; -}; -</programlisting> - - instead of - -<programlisting> -import <nix/fetchurl.nix> { - url = https://nixos.org/releases/nix/nix-2.1.3/nix-2.1.3.tar.xz; - sha256 = "5d22dad058d5c800d65a115f919da22938c50dd6ba98c5e3a183172d149840a4"; -}; -</programlisting> - - </para> - - <para>In fixed-output derivations, the - <varname>outputHashAlgo</varname> attribute is no longer mandatory - if <varname>outputHash</varname> specifies the hash.</para> - - <para><command>nix hash-file</command> and <command>nix - hash-path</command> now print hashes in SRI format by - default. They also use SHA-256 by default instead of SHA-512 - because that's what we use most of the time in Nixpkgs.</para> - </listitem> - - <listitem> - <para>Integers are now 64 bits on all platforms.</para> - </listitem> - - <listitem> - <para>The evaluator now prints profiling statistics (enabled via - the <envar>NIX_SHOW_STATS</envar> and - <envar>NIX_COUNT_CALLS</envar> environment variables) in JSON - format.</para> - </listitem> - - <listitem> - <para>The option <option>--xml</option> in <command>nix-store - --query</command> has been removed. Instead, there now is an - option <option>--graphml</option> to output the dependency graph - in GraphML format.</para> - </listitem> - - <listitem> - <para>All <filename>nix-*</filename> commands are now symlinks to - <filename>nix</filename>. This saves a bit of disk space.</para> - </listitem> - - <listitem> - <para><command>nix repl</command> now uses - <literal>libeditline</literal> or - <literal>libreadline</literal>.</para> - </listitem> - -</itemizedlist> - -</section> - |