Adding upstream version 2.25.15.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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scripts/debc.1
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scripts/debc.1
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.TH DEBC 1 "Debian Utilities" "DEBIAN" \" -*- nroff -*-
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.SH NAME
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debc \- view contents of a generated Debian package
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.SH SYNOPSIS
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\fBdebc\fP [\fIoptions\fR] [\fIchanges file\fR] [\fIpackage\fR ...]
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.SH DESCRIPTION
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\fBdebc\fR figures out the current version of a package and displays
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information about the \fI.deb\fR and \fI.udeb\fR files which have been generated
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in the current build process. If a \fI.changes\fR file is specified
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on the command line, the filename must end with \fI.changes\fR, as
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this is how the program distinguishes it from package names. If not,
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then \fBdebc\fR has to be called from within the source code directory
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tree. In this case, it will look for the \fI.changes\fR file
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corresponding to the current package version (by determining the name
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and version number from the changelog, and the architecture in the
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same way as \fBdpkg-buildpackage\fR(1) does). It then runs
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\fBdpkg-deb \-I\fR and \fBdpkg-deb \-c\fR on every \fI.deb\fR and
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\fI.udeb\fR archive listed in the \fI.changes\fR file to display
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information about the contents of the \fI.deb\fR / \fI.udeb\fR files.
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It precedes every \fI.deb\fR or \fI.udeb\fR file with the name of the
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file. It assumes that all of the \fI.deb\fR / \fI.udeb\fR archives
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live in the same directory as the \fI.changes\fR file. It is
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useful for ensuring that the expected files have ended up in the
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Debian package.
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.PP
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If a list of packages is given on the command line, then only those
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debs or udebs with names in this list of packages will be processed.
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.SH "Directory name checking"
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In common with several other scripts in the \fBdevscripts\fR package,
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\fBdebc\fR will climb the directory tree until it finds a
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\fIdebian/changelog\fR file. As a safeguard against stray files
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causing potential problems, it will examine the name of the parent
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directory once it finds the \fIdebian/changelog\fR file, and check
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that the directory name corresponds to the package name. Precisely
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how it does this is controlled by two configuration file variables
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\fBDEVSCRIPTS_CHECK_DIRNAME_LEVEL\fR and \fBDEVSCRIPTS_CHECK_DIRNAME_REGEX\fR, and
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their corresponding command-line options \fB\-\-check-dirname-level\fR
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and \fB\-\-check-dirname-regex\fR.
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.PP
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\fBDEVSCRIPTS_CHECK_DIRNAME_LEVEL\fR can take the following values:
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.TP
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.B 0
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Never check the directory name.
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.TP
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.B 1
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Only check the directory name if we have had to change directory in
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our search for \fIdebian/changelog\fR. This is the default behaviour.
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.TP
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.B 2
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Always check the directory name.
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.PP
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The directory name is checked by testing whether the current directory
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name (as determined by \fBpwd\fR(1)) matches the regex given by the
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configuration file option \fBDEVSCRIPTS_CHECK_DIRNAME_REGEX\fR or by the
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command line option \fB\-\-check-dirname-regex\fR \fIregex\fR. Here
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\fIregex\fR is a Perl regex (see \fBperlre\fR(3perl)), which will be
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anchored at the beginning and the end. If \fIregex\fR contains a '/',
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then it must match the full directory path. If not, then it must
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match the full directory name. If \fIregex\fR contains the string
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\'PACKAGE', this will be replaced by the source package name, as
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determined from the changelog. The default value for the regex is:
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\'PACKAGE(-.+)?', thus matching directory names such as PACKAGE and
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PACKAGE-version.
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.SH OPTIONS
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.TP
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\fB\-a\fIdebian-architecture\fR, \fB\-t\fIGNU-system-type\fR
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See \fBdpkg-architecture\fR(1) for a description of these options.
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They affect the search for the \fI.changes\fR file. They are provided
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to mimic the behaviour of \fBdpkg-buildpackage\fR when determining the
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name of the \fI.changes\fR file.
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.TP
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\fB\-\-debs\-dir\fR \fIdirectory\fR
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Look for the \fI.changes\fR, \fI.deb\fR and \fI.udeb\fR files in
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\fIdirectory\fR instead of the parent of the source directory.
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This should either be an absolute path or relative to the top of the
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source directory.
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.TP
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\fB\-\-check-dirname-level\fR \fIN\fR
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See the above section \fBDirectory name checking\fR for an explanation of
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this option.
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.TP
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\fB\-\-check-dirname-regex\fR \fIregex\fR
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See the above section \fBDirectory name checking\fR for an explanation of
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this option.
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.TP
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\fB\-\-list-changes\fR
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List the filename of the .changes file, and do not display anything else. This
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option only makes sense if a .changes file is NOT passed explicitly in the
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command line. This can be used for example in a script that needs to reference
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the .changes file, without having to duplicate the heuristics for finding it
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that debc already implements.
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.TP
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\fB\-\-list-debs\fR
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List the filenames of the .deb packages, and do not display their contents.
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.TP
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\fB\-\-no-conf\fR, \fB\-\-noconf\fR
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Do not read any configuration files. This can only be used as the
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first option given on the command-line.
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.TP
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\fB\-\-help\fR, \fB\-\-version\fR
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Show help message and version information respectively.
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.SH "CONFIGURATION VARIABLES"
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The two configuration files \fI/etc/devscripts.conf\fR and
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\fI~/.devscripts\fR are sourced in that order to set configuration
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variables. Command line options can be used to override configuration
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file settings. Environment variable settings are ignored for this
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purpose. The currently recognised variables are:
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.TP
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.B DEBRELEASE_DEBS_DIR
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This specifies the directory in which to look for the \fI.changes\fR,
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\fI.deb\fR and \fI.udeb\fR files, and is either an absolute path or
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relative to the top of the source tree. This corresponds to the
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\fB\-\-debs\-dir\fR command line option. This directive could be
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used, for example, if you always use \fBpbuilder\fR or
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\fBsvn-buildpackage\fR to build your packages. Note that it also
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affects \fBdebrelease\fR(1) in the same way, hence the strange name of
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the option.
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.TP
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.BR DEVSCRIPTS_CHECK_DIRNAME_LEVEL ", " DEVSCRIPTS_CHECK_DIRNAME_REGEX
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See the above section \fBDirectory name checking\fR for an explanation of
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these variables. Note that these are package-wide configuration
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variables, and will therefore affect all \fBdevscripts\fR scripts
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which check their value, as described in their respective manpages and
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in \fBdevscripts.conf\fR(5).
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.SH "SEE ALSO"
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.BR debdiff (1),
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.BR dpkg-deb (1),
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.BR devscripts.conf (5)
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.SH AUTHOR
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Julian Gilbey <jdg@debian.org>, based on an original script by
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Christoph Lameter <clameter@debian.org>.
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