* Release notes.

This commit is contained in:
Eelco Dolstra 2006-09-27 12:43:00 +00:00
parent e47d42536f
commit a9a6356ffc
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@ -4,6 +4,9 @@
<title>Nix Release Notes</title>
<!--==================================================================-->
<section><title>Release 0.10 (TBA)</title>
<note><para>This version of Nix uses Berkeley DB 4.4 instead of 4.3.
@ -23,19 +26,45 @@ irreversible.</para></warning>
<itemizedlist>
<listitem><para>An option <option>--compare-versions</option> (or
<option>-c</option>) has been added to <command>nix-env
--query</command> to allow you to compare installed versions of
packages to available versions, or vice versa. An easy way to see
if you are up to date with whats in the channel is <literal>nix-env
-qc \*</literal>.</para></listitem>
<listitem><para><literal>nix-env --query</literal> now takes as
arguments a list of package names about which to show information,
just like <option>--install</option>, etc.: for example,
<literal>nix-env -q gcc</literal>. Note that to show all
derivations, you need to specify
<literal>\*</literal>.</para></listitem>
<listitem><para><command>nix-env</command> usability improvements:
<itemizedlist>
<listitem><para>An option <option>--compare-versions</option>
(or <option>-c</option>) has been added to <command>nix-env
--query</command> to allow you to compare installed versions of
packages to available versions, or vice versa. An easy way to
see if you are up to date with whats in the channel is
<literal>nix-env -qc \*</literal>.</para></listitem>
<listitem><para><literal>nix-env --query</literal> now takes as
arguments a list of package names about which to show
information, just like <option>--install</option>, etc.: for
example, <literal>nix-env -q gcc</literal>. Note that to show
all derivations, you need to specify
<literal>\*</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)
(<literal>NIX-31</literal>).</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 dont have yet).</para></listitem>
</itemizedlist>
</para></listitem>
<listitem><para>Berkeley DB 4.4s process registry feature is used
to recover from crashed Nix processes.</para></listitem>
@ -62,7 +91,8 @@ irreversible.</para></warning>
<itemizedlist>
<listitem><para>Reference scanning (which happens after each
build) is much faster.</para></listitem>
build) is much faster and takes a constant amount of
memory.</para></listitem>
<listitem><para>String interpolation. Expressions like
@ -80,15 +110,23 @@ irreversible.</para></warning>
<listitem><para>Multi-line string literals.</para></listitem>
<listitem><para>TODO: string concatenations involving
derivations. Consequently, the subpath operator
<listitem><para>String concatenations can now involve
derivations, as in the example above —
<code>"--with-freetype2-library=" + freetype + "/lib"</code>.
This was not previously possible because we need to register
that a derivation that uses such a string is dependent on
<literal>freetype</literal>. The evaluator now properly
propagates this information. Consequently, the subpath operator
(<literal>~</literal>) has been deprecated.</para></listitem>
<listitem><para>TODO: function argument default values can refer
to other function arguments
(<literal>NIX-45</literal>)</para></listitem>
<listitem><para>Default values of function arguments can now
refer to other function arguments; that is, all arguments are in
scope in the default values
(<literal>NIX-45</literal>).</para></listitem>
<!--
<listitem><para>TODO: domain checks (r5895).</para></listitem>
-->
</itemizedlist>
@ -108,7 +146,7 @@ irreversible.</para></warning>
<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.
transfer a store 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>
@ -187,24 +225,30 @@ irreversible.</para></warning>
</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>XML support:
<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) (<literal>NIX-31</literal>).</para></listitem>
<itemizedlist>
<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 -q --xml</literal> prints the
installed or available packages in an XML representation for
easy processing by other tools.</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 dont have yet).</para></listitem>
<listitem><para><literal>nix-instantiate --eval-only
--xml</literal> prints an XML representation of the resulting
term. (The new flag <option>--strict</option> forces deep
evaluation of the result, i.e., list elements and attributes are
evaluated recursively.)</para></listitem>
<listitem><para>In Nix expressions, the primop
<function>builtins.toXML</function> converts a term to an XML
representation. This is primarily useful for passing structured
information to builders.</para></listitem>
</itemizedlist>
</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
@ -215,6 +259,11 @@ irreversible.</para></warning>
patched ATerm library</link> is used. Also, files larger than 2 GiB
are now supported.</para></listitem>
<listitem><para>Users of SMP and multicore machines will appreciate
that the number of builds to be performed in parallel can now be
specified in the configuration file in the
<literal>build-max-jobs</literal> setting.</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>
@ -227,6 +276,9 @@ irreversible.</para></warning>
</section>
<!--==================================================================-->
<section><title>Release 0.9.2 (September 21, 2005)</title>
<para>This bug fix release fixes two problems on Mac OS X:
@ -252,6 +304,8 @@ irreversible.</para></warning>
<!--==================================================================-->
<section><title>Release 0.9.1 (September 20, 2005)</title>
<para>This bug fix release addresses a problem with the ATerm library
@ -262,6 +316,8 @@ when the <option>--with-aterm</option> flag in
<!--==================================================================-->
<section><title>Release 0.9 (September 16, 2005)</title>
<para>NOTE: this version of Nix uses Berkeley DB 4.3 instead of 4.2.
@ -357,6 +413,8 @@ svnService = derivation {
<!--==================================================================-->
<section><title>Release 0.8.1 (April 13, 2005)</title>
<para>This is a bug fix release.</para>
@ -375,6 +433,8 @@ svnService = derivation {
<!--==================================================================-->
<section><title>Release 0.8 (April 11, 2005)</title>
<para>NOTE: the hashing scheme in Nix 0.8 changed (as detailed below).
@ -615,6 +675,8 @@ $ nix-env -f .../i686-linux.nix -i -E 'x: x.firefoxWrapper'</screen>
<!--==================================================================-->
<section><title>Release 0.7 (January 12, 2005)</title>
<itemizedlist>
@ -647,6 +709,8 @@ $ nix-env -f .../i686-linux.nix -i -E 'x: x.firefoxWrapper'</screen>
<!--==================================================================-->
<section><title>Release 0.6 (November 14, 2004)</title>
<itemizedlist>
@ -766,6 +830,8 @@ $ nix-env -f .../i686-linux.nix -i -E 'x: x.firefoxWrapper'</screen>
<!--==================================================================-->
<section><title>Release 0.5 and earlier</title>
<para>Please refer to the Subversion commit log messages.</para>

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@ -1035,14 +1035,6 @@ weakest binding).</para>
</row>
</thead>
<tbody>
<row>
<entry><replaceable>e1</replaceable> ~ <replaceable>e2</replaceable></entry>
<entry>none</entry>
<entry>Construct a reference to a subpath of a derivation.
E.g., <literal>hello ~ "/bin/sh"</literal> refers to the
<filename>/bin/sh</filename> path within the Hello derivation.
Useful in specifying derivation attributes.</entry>
</row>
<row>
<entry><replaceable>e</replaceable> ?
<replaceable>id</replaceable></entry>