96 lines
2.6 KiB
Text
96 lines
2.6 KiB
Text
# dpkg manual page - dpkg-realpath(1)
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#
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# Copyright © 2020-2021 Guillem Jover <guillem@debian.org>
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#
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# This is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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=encoding utf8
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=head1 NAME
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dpkg-realpath - print the resolved pathname with DPKG_ROOT support
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=head1 SYNOPSIS
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B<dpkg-realpath> [I<option>...] I<pathname>
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=head1 DESCRIPTION
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B<dpkg-realpath> is a tool (since dpkg 1.20.1) to resolve a pathname,
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that takes the L<dpkg(1)> root directory into account, either implicitly
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from the B<DPKG_ROOT> environment variable or from the command-line
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B<--root> or B<--instdir> options, and returns an absolute I<pathname>
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relative to the root directory.
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The root directory must not be prefixed to the I<pathname> to be resolved.
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This is intended to be used by other B<dpkg> helpers, or by maintainer
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scripts instead of using L<realpath(1)> or L<readlink(1)> to canonicalize
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pathnames, as these latter commands do not support canonicalization
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relative to a different root than F</>.
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This program was introduced in dpkg 1.20.1.
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=head1 OPTIONS
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=over
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=item B<-z>, B<--zero>
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Use a NUL byte to end output lines instead of a new line character
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(since dpkg 1.20.6).
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=item B<--instdir> I<directory>
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=item B<--root> I<directory>
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Set the root directory to I<directory>, which is the base directory
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that pathnames get canonicalized against.
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Defaults to «B</>» if B<DPKG_ROOT> has not been set.
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=item B<-?>, B<--help>
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Show the usage message and exit.
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=item B<--version>
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Show the version and exit.
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=back
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=head1 ENVIRONMENT
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=over
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=item B<DPKG_ROOT>
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If set and the B<--instdir> or B<--root> options have not been
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specified, it will be used as the filesystem root directory.
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=item B<DPKG_COLORS>
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Sets the color mode.
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The currently accepted values are: B<auto> (default), B<always> and B<never>.
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=item B<DPKG_NLS>
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If set, it will be used to decide whether to activate Native Language Support,
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also known as internationalization (or i18n) support (since dpkg 1.22.7).
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The accepted values are: B<0> and B<1> (default).
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=back
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=head1 SEE ALSO
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L<realpath(1)>,
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L<readlink(1)>.
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