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try to be cristal clear about the usage of :: and {} (Closes: #503481)

See the bugreport (and merged ones) for discussion details which
lead to these additions to the introduction of the apt.conf manpage.
debian/1.8.y
David Kalnischkies 14 years ago
parent
commit
63fc55509f
  1. 1
      debian/changelog
  2. 29
      doc/apt.conf.5.xml
  3. 514
      doc/po/apt-doc.pot
  4. 535
      doc/po/fr.po
  5. 537
      doc/po/ja.po

1
debian/changelog

@ -29,6 +29,7 @@ apt (0.7.24) UNRELEASED; urgency=low
a bit and improve the documentation for this option group.
* doc/apt.conf.5.xml:
- document the Acquire::http::Dl-Limit option
- try to be cristal clear about the usage of :: and {} (Closes: #503481)
* doc/apt-cache.8.xml:
- clarify the note for the pkgnames command (Closes: #547599)
* doc/apt.ent, all man pages:

29
doc/apt.conf.5.xml

@ -86,17 +86,40 @@ DPkg::Pre-Install-Pkgs {"/usr/sbin/dpkg-preconfigure --apt";};
<para>The names of the configuration items are not case-sensitive. So in the previous example
you could use <literal>dpkg::pre-install-pkgs</literal>.</para>
<para>Two specials are allowed, <literal>#include</literal> and <literal>#clear</literal>
<para>Names for the configuration items are optional if a list is defined as it can be see in
the <literal>DPkg::Pre-Install-Pkgs</literal> example above. If you don't specify a name a
new entry will simply add a new option to the list. If you specify a name you can override
the option as every other option by reassigning a new value to the option.</para>
<para>Two specials are allowed, <literal>#include</literal> and <literal>#clear</literal>:
<literal>#include</literal> will include the given file, unless the filename
ends in a slash, then the whole directory is included.
<literal>#clear</literal> is used to erase a part of the configuration tree. The
specified element and all its descendants are erased.</para>
specified element and all its descendants are erased.
(Note that these lines also need to end with a semicolon.)</para>
<para>The #clear command is the only way to delete a list or a complete scope.
Reopening a scope or the ::-style described below will <emphasis>not</emphasis>
override previewsly written entries. Only options can be overridden by adressing a new
value to it - lists and scopes can't be overridden, only cleared.</para>
<para>All of the APT tools take a -o option which allows an arbitrary configuration
directive to be specified on the command line. The syntax is a full option
name (<literal>APT::Get::Assume-Yes</literal> for instance) followed by an equals
sign then the new value of the option. Lists can be appended too by adding
a trailing :: to the list name.</para>
a trailing :: to the list name. (As you might suspect: The scope syntax can't be used
on the commandline.)</para>
<para>Note that you can use :: only for appending one item per line to a list and
that you should not use it in combination with the scope syntax.
(The scope syntax implicit insert ::) Using both syntaxes together will trigger a bug
which some users unfortunately relay on: An option with the unusual name "<literal>::</literal>"
which acts like every other option with a name. These introduces many problems
including that a user who writes multiple lines in this <emphasis>wrong</emphasis> syntax in
the hope to append to a list will gain the opposite as only the last assignment for this option
"<literal>::</literal>" will be used. Upcoming APT versions will raise errors and
will stop working if they encounter this misuse, so please correct such statements now
as long as APT doesn't complain explicit about them.</para>
</refsect1>
<refsect1><title>The APT Group</title>

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