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.\" ========================================================================
.\"
.IX Title "dpkg-vendor 1"
.TH dpkg-vendor 1 "2022-09-01" "1.20.12" "dpkg suite"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
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.nh
.SH "NAME"
dpkg\-vendor \- queries information about distribution vendors
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
\&\fBdpkg-vendor\fR
[\fIoption\fR...] \fIcommand\fR
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
\&\fBdpkg-vendor\fR is a tool to query information about vendors listed in
\&\fB/etc/dpkg/origins\fR. \fB/etc/dpkg/origins/default\fR contains
information about the current vendor.
.SH "COMMANDS"
.IX Header "COMMANDS"
.IP "\fB\-\-is\fR \fIvendor\fR" 4
.IX Item "--is vendor"
Exits with \fB0\fR if the current vendor is \fIvendor\fR. Otherwise exits
with \fB1\fR.
.IP "\fB\-\-derives\-from\fR \fIvendor\fR" 4
.IX Item "--derives-from vendor"
Exits with \fB0\fR if the current vendor distribution is a derivative of
\&\fIvendor\fR, otherwise exits with \fB1\fR.
It uses the \fBParent\fR field to browse all ancestors of the current vendor.
.IP "\fB\-\-query\fR \fIfield\fR" 4
.IX Item "--query field"
Print on standard output the value of the vendor-specific \fIfield\fR for
the current vendor.
.IP "\fB\-\-help\fR" 4
.IX Item "--help"
Show the usage message and exit.
.IP "\fB\-\-version\fR" 4
.IX Item "--version"
Show the version and exit.
.SH "OPTIONS"
.IX Header "OPTIONS"
.IP "\fB\-\-vendor\fR \fIvendor\fR" 4
.IX Item "--vendor vendor"
Assumes the current vendor is \fIvendor\fR instead of discovering it
with the \fB\s-1DEB_VENDOR\s0\fR environment variable or
\&\fB/etc/dpkg/origins/default\fR.
.SH "ENVIRONMENT"
.IX Header "ENVIRONMENT"
.IP "\fB\s-1DEB_VENDOR\s0\fR" 4
.IX Item "DEB_VENDOR"
This setting defines the current vendor. If not set, it will discover the
current vendor by reading \fB/etc/dpkg/origins/default\fR.
.IP "\fB\s-1DPKG_COLORS\s0\fR" 4
.IX Item "DPKG_COLORS"
Sets the color mode (since dpkg 1.18.5).
The currently accepted values are: \fBauto\fR (default), \fBalways\fR and
\&\fBnever\fR.
.IP "\fB\s-1DPKG_NLS\s0\fR" 4
.IX Item "DPKG_NLS"
If set, it will be used to decide whether to activate Native Language Support,
also known as internationalization (or i18n) support (since dpkg 1.19.0).
The accepted values are: \fB0\fR and \fB1\fR (default).
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fBdeb-origin\fR(5).