.\" Automatically generated by Pod::Man 4.14 (Pod::Simple 3.40) .\" .\" Standard preamble: .\" ======================================================================== .de Sp \" Vertical space (when we can't use .PP) .if t .sp .5v .if n .sp .. .de Vb \" Begin verbatim text .ft CW .nf .ne \\$1 .. .de Ve \" End verbatim text .ft R .fi .. .\" Set up some character translations and predefined strings. \*(-- will .\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left .\" double quote, and \*(R" will give a right double quote. \*(C+ will .\" give a nicer C++. Capital omega is used to do unbreakable dashes and .\" therefore won't be available. \*(C` and \*(C' expand to `' in nroff, .\" nothing in troff, for use with C<>. .tr \(*W- .ds C+ C\v'-.1v'\h'-1p'\s-2+\h'-1p'+\s0\v'.1v'\h'-1p' .ie n \{\ . ds -- \(*W- . ds PI pi . if (\n(.H=4u)&(1m=24u) .ds -- \(*W\h'-12u'\(*W\h'-12u'-\" diablo 10 pitch . if (\n(.H=4u)&(1m=20u) .ds -- \(*W\h'-12u'\(*W\h'-8u'-\" diablo 12 pitch . ds L" "" . ds R" "" . ds C` "" . ds C' "" 'br\} .el\{\ . ds -- \|\(em\| . ds PI \(*p . ds L" `` . ds R" '' . ds C` . ds C' 'br\} .\" .\" Escape single quotes in literal strings from groff's Unicode transform. .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" .\" If the F register is >0, we'll generate index entries on stderr for .\" titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index .\" entries marked with X<> in POD. Of course, you'll have to process the .\" output yourself in some meaningful fashion. .\" .\" Avoid warning from groff about undefined register 'F'. .de IX .. .nr rF 0 .if \n(.g .if rF .nr rF 1 .if (\n(rF:(\n(.g==0)) \{\ . if \nF \{\ . de IX . tm Index:\\$1\t\\n%\t"\\$2" .. . if !\nF==2 \{\ . nr % 0 . nr F 2 . \} . \} .\} .rr rF .\" ======================================================================== .\" .IX Title "AptPkg::System 3pm" .TH AptPkg::System 3pm "2021-02-15" "perl v5.32.1" "User Contributed Perl Documentation" .\" For nroff, turn off justification. Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l .nh .SH "NAME" AptPkg::System \- APT system abstraction class .SH "SYNOPSIS" .IX Header "SYNOPSIS" use AptPkg::System; .SH "DESCRIPTION" .IX Header "DESCRIPTION" The AptPkg::System module provides an interface to \fB\s-1APT\s0\fR's system abstraction mechanism. .SS "AptPkg::System" .IX Subsection "AptPkg::System" The AptPkg::System package implements the \fB\s-1APT\s0\fR pkgSystem class. .PP An instance of the AptPkg::System class appropriate for the particular back-end packaging system (deb, rpm, etc.) may be fetched using the system method from AptPkg::Config. .PP A global instance of the libapt-pkg _system instance is provided as \&\f(CW$AptPkg::System::_system\fR, and may be imported. .PP The following methods are implemented: .IP "label" 4 .IX Item "label" Return the description of the packaging system, for example: .Sp .Vb 1 \& Debian dpkg interface .Ve .Sp for Debian systems. .IP "lock" 4 .IX Item "lock" Lock the packaging system. .IP "unlock(\fI\s-1QUIET\s0\fR)" 4 .IX Item "unlock(QUIET)" Unlock the packaging system, ignoring errors if \fI\s-1QUIET\s0\fR is non-zero. .IP "versioning" 4 .IX Item "versioning" Return an instance of the AptPkg::Version class for this system. .SH "SEE ALSO" .IX Header "SEE ALSO" \&\fBAptPkg::Config\fR\|(3pm), \fBAptPkg::Version\fR\|(3pm), \fBAptPkg\fR\|(3pm). .SH "AUTHOR" .IX Header "AUTHOR" Brendan O'Dea