168 lines
3.5 KiB
HTML
168 lines
3.5 KiB
HTML
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<HTML><HEAD><TITLE>Man page of Dpkg::Deps::Multiple</TITLE>
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</HEAD><BODY>
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<H1>Dpkg::Deps::Multiple</H1>
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Section: libdpkg-perl (3perl)<BR>Updated: 2020-03-23<BR><A HREF="#index">Index</A>
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<A HREF="/cgi-bin/man/man2html">Return to Main Contents</A><HR>
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<A NAME="lbAB"> </A>
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<H2>NAME</H2>
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Dpkg::Deps::Multiple - base module to represent multiple dependencies
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<A NAME="lbAC"> </A>
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<H2>DESCRIPTION</H2>
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The Dpkg::Deps::Multiple module provides objects implementing various types
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of dependencies. It is the base class for Dpkg::Deps::{<FONT SIZE="-1">AND,OR</FONT>,Union}.
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<A NAME="lbAD"> </A>
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<H2>METHODS</H2>
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<DL COMPACT>
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<DT id="1">$dep = Dpkg::Deps::Multiple->new(%opts);<DD>
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Creates a new object.
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<DT id="2">$dep-><B>reset()</B><DD>
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Clears any dependency information stored in <TT>$dep</TT> so that <TT>$dep</TT>-><B>is_empty()</B>
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returns true.
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<DT id="3">$dep->add(@deps)<DD>
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Adds new dependency objects at the end of the list.
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<DT id="4">$dep-><B>get_deps()</B><DD>
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Returns a list of sub-dependencies.
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<DT id="5">$dep-><B>sort()</B><DD>
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Sorts alphabetically the internal list of dependencies.
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<DT id="6">$dep->arch_is_concerned($arch)<DD>
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Returns true if at least one of the sub-dependencies apply to this
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architecture.
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<DT id="7">$dep->reduce_arch($arch)<DD>
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Simplifies the dependencies to contain only information relevant to the
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given architecture. The non-relevant sub-dependencies are simply removed.
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<P>
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This trims off the architecture restriction list of Dpkg::Deps::Simple
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objects.
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<DT id="8">$dep-><B>has_arch_restriction()</B><DD>
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Returns the list of package names that have such a restriction.
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<DT id="9">$dep-><B>profile_is_concerned()</B><DD>
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Returns true if at least one of the sub-dependencies apply to this profile.
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<DT id="10">$dep-><B>reduce_profiles()</B><DD>
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Simplifies the dependencies to contain only information relevant to the
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given profile. The non-relevant sub-dependencies are simply removed.
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<P>
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This trims off the profile restriction list of Dpkg::Deps::Simple objects.
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<DT id="11">$dep-><B>is_empty()</B><DD>
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Returns true if the dependency is empty and doesn't contain any useful
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information. This is true when a (descendant of) Dpkg::Deps::Multiple
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contains an empty list of dependencies.
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<DT id="12">$dep->merge_union($other_dep)<DD>
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This method is not meaningful for this object, and will always croak.
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</DL>
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<A NAME="lbAE"> </A>
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<H2>CHANGES</H2>
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<A NAME="lbAF"> </A>
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<H3>Version 1.02 (dpkg 1.17.10)</H3>
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New methods: Add <TT>$dep</TT>-><B>profile_is_concerned()</B> and <TT>$dep</TT>-><B>reduce_profiles()</B>.
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<A NAME="lbAG"> </A>
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<H3>Version 1.01 (dpkg 1.16.1)</H3>
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New method: Add <TT>$dep</TT>-><B>reset()</B>.
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<A NAME="lbAH"> </A>
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<H3>Version 1.00 (dpkg 1.15.6)</H3>
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Mark the module as public.
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<P>
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<HR>
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<A NAME="index"> </A><H2>Index</H2>
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<DL>
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<DT id="13"><A HREF="#lbAB">NAME</A><DD>
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<DT id="14"><A HREF="#lbAC">DESCRIPTION</A><DD>
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<DT id="15"><A HREF="#lbAD">METHODS</A><DD>
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<DT id="16"><A HREF="#lbAE">CHANGES</A><DD>
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<DL>
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<DT id="17"><A HREF="#lbAF">Version 1.02 (dpkg 1.17.10)</A><DD>
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<DT id="18"><A HREF="#lbAG">Version 1.01 (dpkg 1.16.1)</A><DD>
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<DT id="19"><A HREF="#lbAH">Version 1.00 (dpkg 1.15.6)</A><DD>
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</DL>
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</DL>
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<HR>
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This document was created by
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<A HREF="/cgi-bin/man/man2html">man2html</A>,
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using the manual pages.<BR>
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Time: 00:05:39 GMT, March 31, 2021
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