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diff --git a/doc/apt-patterns.7.xml b/doc/apt-patterns.7.xml new file mode 100644 index 0000000..6b3f91e --- /dev/null +++ b/doc/apt-patterns.7.xml @@ -0,0 +1,252 @@ +<?xml version="1.0" encoding="utf-8" standalone="no"?> +<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" + "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [ +<!ENTITY % aptent SYSTEM "apt.ent"> %aptent; +<!ENTITY % aptverbatiment SYSTEM "apt-verbatim.ent"> %aptverbatiment; +<!ENTITY % aptvendor SYSTEM "apt-vendor.ent"> %aptvendor; +]> + +<refentry> + <refentryinfo> + &apt-author.jgunthorpe; + &apt-author.team; + &apt-email; + &apt-product; + <!-- The last update date --> + <date>2023-01-13T00:00:00Z</date> + </refentryinfo> + + <refmeta> + <refentrytitle>apt-patterns</refentrytitle> + <manvolnum>7</manvolnum> + <refmiscinfo class="manual">APT</refmiscinfo> + </refmeta> + + <!-- Man page title --> + <refnamediv> + <refname>apt-patterns</refname> + <refpurpose>Syntax and semantics of apt search patterns</refpurpose> + </refnamediv> + + <refsect1><title>Description</title> + <para> + Starting with version 2.0, <command>APT</command> provides support for + patterns, which can be used to query the apt cache for packages. + </para> + </refsect1> + + <refsect1> + <title>Logic patterns</title> + <para> + These patterns provide the basic means to combine other patterns into + more complex expressions, as well as <code>?true</code> and <code>?false</code> + patterns. + </para> + <variablelist> + <varlistentry><term><code>?and(PATTERN, PATTERN, ...)</code></term><term><code>PATTERN PATTERN ...</code></term> + <listitem><para>Selects objects where all specified patterns match.</para></listitem> + </varlistentry> + <varlistentry><term><code>?false</code></term><term><code>~F</code></term> + <listitem><para>Selects nothing.</para></listitem> + </varlistentry> + <varlistentry><term><code>?not(PATTERN)</code></term><term><code>!PATTERN</code></term> + <listitem><para>Selects objects where PATTERN does not match.</para></listitem> + </varlistentry> + <varlistentry><term><code>?or(PATTERN, PATTERN, ...)</code></term><term><code>PATTERN | PATTERN | ...</code></term> + <listitem><para>Selects objects where at least one of the specified patterns match.</para></listitem> + </varlistentry> + <varlistentry><term><code>?true</code></term><term><code>~T</code></term> + <listitem><para>Selects all objects.</para></listitem> + </varlistentry> + <varlistentry><term><code>(PATTERN)</code></term> + <listitem><para>Selects the same as <code>PATTERN</code>, can be used to work around precedence, for example, <code>(~ramd64|~ri386)~nfoo</code></para></listitem> + </varlistentry> + </variablelist> + </refsect1> + <refsect1> + <title>Narrowing patterns</title> + <para> + </para> + <variablelist> + <varlistentry><term><code>?all-versions(PATTERN)</code></term> + <listitem><para>Selects packages where all versions match PATTERN. When matching versions instead, same as PATTERN.</para></listitem> + </varlistentry> + <varlistentry><term><code>?any-version(PATTERN)</code></term> + <listitem><para>Selects any version where the pattern matches on the version.</para> + <para>For example, while <code>?and(?version(1),?version(2))</code> matches a package which has one version containing 1 and one version containing 2, <code>?any-version(?and(?version(1),?version(2)))</code> restricts the <code>?and</code> to act on the same version.</para></listitem> + </varlistentry> + <varlistentry><term><code>?narrow(PATTERN...)</code></term> + <listitem><para>Selects any version matching all PATTERNs, short for <code>?any-version(?and(PATTERN...))</code>.</para></listitem> + </varlistentry> + </variablelist> + </refsect1> + <refsect1> + <title>Package patterns</title> + <para> + These patterns select specific packages. + </para> + <variablelist> + <varlistentry><term><code>?architecture(WILDCARD)</code></term><term><code>~rWILDCARD</code></term> + <listitem><para>Selects packages matching the specified architecture, which may contain wildcards using any.</para></listitem> + </varlistentry> + <varlistentry><term><code>?automatic</code></term><term><code>~M</code></term> + <listitem><para>Selects packages that were installed automatically.</para></listitem> + </varlistentry> + <varlistentry><term><code>?broken</code></term><term><code>~b</code></term> + <listitem><para>Selects packages that have broken dependencies.</para></listitem> + </varlistentry> + <varlistentry><term><code>?config-files</code></term><term><code>~c</code></term> + <listitem><para>Selects packages that are not fully installed, but have solely residual configuration files left.</para></listitem> + </varlistentry> + <varlistentry><term><code>?essential</code></term><term><code>~E</code></term> + <listitem><para>Selects packages that have Essential: yes set in their control file.</para></listitem> + </varlistentry> + <varlistentry><term><code>?exact-name(NAME)</code></term> + <listitem><para>Selects packages with the exact specified name.</para></listitem> + </varlistentry> + <varlistentry><term><code>?garbage</code></term><term><code>~g</code></term> + <listitem><para>Selects packages that can be removed automatically.</para></listitem> + </varlistentry> + <varlistentry><term><code>?installed</code></term><term><code>~i</code></term> + <listitem><para>Selects packages that are currently installed. Since version 2.5.4, narrowing this pattern (see narrowing patterns above) makes it only match installed versions (see version patterns below).</para></listitem> + </varlistentry> + <varlistentry><term><code>?name(REGEX)</code></term><term><code>~nREGEX</code></term> + <listitem><para>Selects packages where the name matches the given regular expression.</para></listitem> + </varlistentry> + <varlistentry><term><code>?obsolete</code></term><term><code>~o</code></term> + <listitem><para>Selects packages that no longer exist in repositories.</para></listitem> + </varlistentry> + <varlistentry><term><code>?upgradable</code></term><term><code>~U</code></term> + <listitem><para>Selects packages that can be upgraded (have a newer candidate).</para></listitem> + </varlistentry> + <varlistentry><term><code>?virtual</code></term><term><code>~v</code></term> + <listitem><para>Selects all virtual packages; that is packages without a version. + These exist when they are referenced somewhere in the archive, + for example because something depends on that name.</para></listitem> + </varlistentry> + </variablelist> + </refsect1> + <refsect1> + <title>Version patterns</title> + <para> + These patterns select specific versions of a package. + </para> + <variablelist> + <varlistentry><term><code>?archive(REGEX)</code></term><term><code>~AREGEX</code></term> + <listitem><para>Selects versions that come from the archive that matches the specified regular expression. Archive, here, means the values after <code>a=</code> in <command>apt-cache policy</command>.</para></listitem> + </varlistentry> + <varlistentry><term><code>?codename(REGEX)</code></term> + <listitem><para>Selects versions that come from the codename that matches the specified regular expression. Codename, here, means the values after <code>n=</code> in <command>apt-cache policy</command>.</para></listitem> + </varlistentry> + <varlistentry><term><code>?installed</code></term><term><code>~i</code></term> + <listitem><para>Selects package versions that are currently installed. Versions prior to 2.5.4 only matched at the package level, hence <code>?any-version(?installed?version(2.0))</code>matched even if 2.0 was not installed, but another version was.</para></listitem> + </varlistentry> + <varlistentry><term><code>?origin(REGEX)</code></term><term><code>~OREGEX</code></term> + <listitem><para>Selects versions that come from the origin that matches the specified regular expression. Origin, here, means the values after <code>o=</code> in <command>apt-cache policy</command>.</para></listitem> + </varlistentry> + <varlistentry><term><code>?section(REGEX)</code></term><term><code>~sREGEX</code></term> + <listitem><para>Selects versions where the section matches the specified regular expression.</para></listitem> + </varlistentry> + <varlistentry><term><code>?source-package(REGEX)</code></term><term><code>~eREGEX</code></term> + <listitem><para>Selects versions where the source package name matches the specified regular expression.</para></listitem> + </varlistentry> + <varlistentry><term><code>?source-version(REGEX)</code></term> + <listitem><para>Selects versions where the source package version matches the specified regular expression.</para></listitem> + </varlistentry> + <varlistentry><term><code>?version(REGEX)</code></term><term><code>~VREGEX</code></term> + <listitem><para>Selects versions where the version string matches the specified regular expression.</para></listitem> + </varlistentry> + <varlistentry><term><code>?priority(NAME)</code></term><term><code>~pNAME</code></term> + <listitem><para>Selects versions where the Priority string equals the given name.</para></listitem> + </varlistentry> + </variablelist> + </refsect1> + + <refsect1><title>Package relationship patterns</title> + <para>These patterns match specific package versions that depend/conflict with some other packages.</para> + <variablelist> + <varlistentry> + <term><code>?depends(PATTERN)</code></term><term><code>~DPATTERN</code></term> + <term><code>?pre-depends(PATTERN)</code></term><term><code>~DPre-Depends:PATTERN</code></term> + <term><code>?suggests(PATTERN)</code></term><term><code>~DSuggests:PATTERN</code></term> + <term><code>?conflicts(PATTERN)</code></term><term><code>~DConflicts:PATTERN</code></term> + <term><code>?replaces(PATTERN)</code></term><term><code>~DReplaces:PATTERN</code></term> + <term><code>?obsoletes(PATTERN)</code></term><term><code>~DObsoletes:PATTERN</code></term> + <term><code>?breaks(PATTERN)</code></term><term><code>~DBreaks:PATTERN</code></term> + <term><code>?enhances(PATTERN)</code></term><term><code>~DEnhances:PATTERN</code></term> + <listitem><para>Selects versions depending/pre-depending/suggesting/conflicting/etc on/with/ packages matching PATTERN.</para></listitem> + </varlistentry> + <varlistentry> + <term><code>?reverse-<replaceable>depType</replaceable>(PATTERN)</code></term> + <term><code>~R<replaceable>DepType</replaceable>:PATTERN</code></term> + <listitem><para>Opposite of <code>?depends</code> and friends - selects all packages that have reverse-dependencies (versions) matching PATTERN.</para> + <para><replaceable>depType</replaceable> is one of the dependency types such as <code>depends</code>, so that we don't have to repeat the entire list from the first paragraph here.</para> + </listitem> + </varlistentry> + + </variablelist> + + </refsect1> + <refsect1><title>Examples</title> + <variablelist> + <varlistentry><term><code>apt remove ?garbage</code></term> + <listitem><para>Remove all packages that are automatically installed and no longer needed - same as apt autoremove</para></listitem> + </varlistentry> + <varlistentry><term><code>apt purge ?config-files</code></term> + <listitem><para>Purge all packages that only have configuration files left</para></listitem> + </varlistentry> + <varlistentry><term><code>apt list '~i !~M (~slibs|~sperl|~spython)'</code></term> + <listitem><para>List all manually-installed packages in sections matching libs, perl, or python.</para></listitem> + </varlistentry> + </variablelist> + </refsect1> + + <refsect1><title>Migrating from aptitude</title> + <para> + Patterns in apt are heavily inspired by patterns in aptitude, but with some tweaks: + </para> + <itemizedlist> + <listitem> + <para> + Syntax is uniform: If there is an opening parenthesis after a term, it is always assumed to be the beginning of an argument list. + </para> + <para> + In aptitude, a syntactic form <code>"?foo(bar)"</code> could mean <code>"?and(?foo,bar)"</code> if foo does not take an argument. In APT, this will cause an error. + </para> + </listitem> + <listitem> + <para>Not all patterns are supported.</para> + </listitem> + <listitem> + <para>Some additional patterns are available, for example, for finding gstreamer codecs.</para> + </listitem> + <listitem> + <para>Escaping terms with <code>~</code> is not supported.</para> + </listitem> + <listitem> + <para>A trailing comma is allowed in argument lists</para> + </listitem> + <listitem> + <para>?narrow accepts infinite arguments</para> + </listitem> + <listitem> + <para><code>foo</code> cannot be used as a shortform for <code>?name(foo)</code>, as this can cause typos to go unnoticed: + Consider <code>?and(...,~poptional)</code>: + this requires the package to have <code>required</code> priority, but + if you do not type the <code>~</code>, it would require the package name to contain <code>poptional</code>.</para> + </listitem> + <listitem> + <para>Dependency types for ~D and related operators need to be specified in the canonical case.</para> + </listitem> + </itemizedlist> + </refsect1> + + <refsect1><title>See Also</title> + <para> + &apt-get;, &apt; + </para> + </refsect1> + + &manbugs; + &manauthor; +</refentry> |