forked from lix-project/lix
* Release notes.
This commit is contained in:
Eelco Dolstra
parent
561a07f51d
commit
68515b5a96
|
|
@ -1,4 +1,5 @@
|
|||
<article xmlns="http://docbook.org/ns/docbook">
|
||||
<article xmlns="http://docbook.org/ns/docbook"
|
||||
xmlns:xlink="http://www.w3.org/1999/xlink">
|
||||
|
||||
<title>Nix Release Notes</title>
|
||||
|
||||
|
|
@ -36,6 +37,9 @@ irreversible.</para></warning>
|
|||
derivations, you need to specify
|
||||
<literal>\*</literal>.</para></listitem>
|
||||
|
||||
<listitem><para>Berkeley DB 4.4’s process registry feature is used
|
||||
to recover from crashed Nix processes.</para></listitem>
|
||||
|
||||
<!-- <listitem><para>TODO: shared stores.</para></listitem> -->
|
||||
|
||||
<listitem><para>A performance issue has been fixed with the
|
||||
|
|
@ -52,27 +56,142 @@ irreversible.</para></warning>
|
|||
nix-store</literal> without triggering a database
|
||||
recovery.</para></listitem>
|
||||
|
||||
<listitem><para>Reference scanning (which happens after each build)
|
||||
is much faster.</para></listitem>
|
||||
|
||||
<listitem><para>TODO: string interpolation</para></listitem>
|
||||
<listitem><para>New language features:
|
||||
|
||||
<listitem><para>TODO: string concatenations involving
|
||||
derivations</para></listitem>
|
||||
<itemizedlist>
|
||||
|
||||
<listitem><para>TODO: function argument default values can refer to
|
||||
other function arguments</para></listitem>
|
||||
<listitem><para>Reference scanning (which happens after each
|
||||
build) is much faster.</para></listitem>
|
||||
|
||||
<listitem><para>String interpolation. Expressions like
|
||||
|
||||
<programlisting>
|
||||
"--with-freetype2-library=" + freetype + "/lib"</programlisting>
|
||||
|
||||
can now be written as
|
||||
|
||||
<programlisting>
|
||||
"--with-freetype2-library=${freetype}/lib"</programlisting>
|
||||
|
||||
You can write arbitrary expressions within
|
||||
<literal>${<replaceable>...</replaceable>}</literal>, not just
|
||||
identifiers.</para></listitem>
|
||||
|
||||
<listitem><para>Multi-line string literals.</para></listitem>
|
||||
|
||||
<listitem><para>TODO: string concatenations involving
|
||||
derivations. Consequently, the subpath operator
|
||||
(<literal>~</literal>) has been deprecated.</para></listitem>
|
||||
|
||||
<listitem><para>TODO: function argument default values can refer
|
||||
to other function arguments</para></listitem>
|
||||
|
||||
<listitem><para>TODO: domain checks (r5895).</para></listitem>
|
||||
|
||||
</itemizedlist>
|
||||
|
||||
</para></listitem>
|
||||
|
||||
|
||||
<listitem><para>If the top-level Nix expression used by
|
||||
<command>nix-env</command>, <command>nix-instantiate</command> or
|
||||
<command>nix-build</command> evaluates to a function whose arguments
|
||||
all have default values, the function will be called automatically.
|
||||
Also, the new command-line switch <option>--arg
|
||||
<replaceable>name</replaceable>
|
||||
<replaceable>value</replaceable></option> can be used to specify
|
||||
function arguments on the command line.</para></listitem>
|
||||
|
||||
<listitem><para>TODO: proxy support.</para></listitem>
|
||||
|
||||
<listitem><para>TODO: nix-pack-closure and
|
||||
nix-unpack-closure.</para></listitem>
|
||||
<listitem><para>New commands <command>nix-pack-closure</command> and
|
||||
<command>nix-unpack-closure</command> than can be used to easily
|
||||
transfer a stire path with all its dependencies to another machine.
|
||||
Very convenient whenever you have some package on your machine and
|
||||
you want to copy it somewhere else.</para></listitem>
|
||||
|
||||
<listitem><para><command>bsdiff</command> updated
|
||||
4.3.</para></listitem>
|
||||
|
||||
<listitem><para>TODO: open files etc. are now used as roots of the
|
||||
garbage collector.</para></listitem>
|
||||
garbage collector (r5796).</para></listitem>
|
||||
|
||||
<listitem><para>TODO: --attr / -a flags in
|
||||
nix-env/nix-instantiate/nix-build.</para></listitem>
|
||||
<listitem><para>TODO: --attr / -A flags in
|
||||
nix-env/nix-instantiate/nix-build. Also nix-env -qa
|
||||
--attr.</para></listitem>
|
||||
|
||||
<listitem><para><literal>nix-build -o
|
||||
<replaceable>symlink</replaceable></literal> allows the symlink to
|
||||
the build result to be named something other than
|
||||
<literal>result</literal>.</para></listitem>
|
||||
|
||||
<listitem><para><literal>nix-store --gc</literal>
|
||||
(a.k.a. <command>nix-collect-garbage</command>) prints out the
|
||||
number of bytes freed on standard output. <literal>nix-store --gc
|
||||
--print-dead</literal> shows how many bytes would be freed by an
|
||||
actual garbage collection.</para></listitem>
|
||||
|
||||
<listitem><para>New command <literal>nix-store --delete</literal> to
|
||||
delete specific paths from the Nix store. It won’t delete reachable
|
||||
(non-garbage) paths unless <option>--ignore-liveness</option> is
|
||||
specified.</para></listitem>
|
||||
|
||||
<listitem><para>Substantial performance improvements in expression
|
||||
evaluation and <literal>nix-env -qa</literal>, all thanks to <link
|
||||
xlink:href="http://valgrind.org/">Valgrind</link>. Memory use has
|
||||
been reduced by a factor 8 or so. Big speedup by memoisation of
|
||||
path hashing.</para></listitem>
|
||||
|
||||
<listitem><para>Lots of bug fixes, notably:
|
||||
|
||||
<itemizedlist>
|
||||
|
||||
<listitem><para>Make sure that the garbage collector can run
|
||||
succesfully when the disk is full.</para></listitem>
|
||||
|
||||
</itemizedlist>
|
||||
|
||||
</para></listitem>
|
||||
|
||||
<listitem><para>TODO: XML support in <literal>nix-env -q
|
||||
--xml</literal> and <literal>nix-instantiate --eval-only
|
||||
--xml</literal>.</para></listitem>
|
||||
|
||||
<listitem><para><literal>nix-env -i
|
||||
<replaceable>pkgname</replaceable></literal> will now install the
|
||||
highest available version of <replaceable>pkgname</replaceable>,
|
||||
rather than installing all available versions (which would probably
|
||||
give collisions).</para></listitem>
|
||||
|
||||
<listitem><para><literal>nix-env (-i|-u) --dry-run</literal> now
|
||||
shows exactly which missing paths will be built or
|
||||
substituted.</para></listitem>
|
||||
|
||||
<listitem><para><literal>nix-env -qa --description</literal> shows
|
||||
human-readable descriptions of packages, provided that they have a
|
||||
<literal>meta.description</literal> attribute (which most packages
|
||||
in Nixpkgs don’t have yet).</para></listitem>
|
||||
|
||||
<listitem><para>Nix source distributions are a lot smaller now since
|
||||
we no longer include a full copy of the Berkeley DB source
|
||||
distribution (but only the bits we need).</para></listitem>
|
||||
|
||||
<listitem><para>Support for 64-bit platforms, provided <link
|
||||
xlink:href="http://bugzilla.sen.cwi.nl:8080/show_bug.cgi?id=606">suitably
|
||||
patched ATerm library</link> is used.</para></listitem>
|
||||
|
||||
<listitem><para>Added support for Cygwin (Windows,
|
||||
<literal>i686-cygwin</literal>) and Mac OS X on Intel
|
||||
(<literal>i686-darwin</literal>).</para></listitem>
|
||||
|
||||
<listitem><para><command>nix-env</command> now locks the profile to
|
||||
prevent races between concurrent <command>nix-env</command>
|
||||
operations on the same profile
|
||||
(<literal>NIX-7</literal>).</para></listitem>
|
||||
|
||||
<listitem><para>TODO: <literal>nix-push
|
||||
--target</literal>.</para></listitem>
|
||||
|
||||
</itemizedlist>
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue