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.TH DEBCLEAN 1 "Debian Utilities" "DEBIAN" \" -*- nroff -*-
.SH NAME
debclean \- cleanup a sourcecode tree
.SH SYNOPSIS
\fBdebclean\fR [\fIoptions\fR]
.SH DESCRIPTION
\fBdebclean\fR walks through the directory tree starting at the
directory tree in which it was invoked, and executes
.I debian/rules clean
for each Debian source directory encountered. These directories are
recognised by containing a debian/changelog file for a package whose
name matches that of the directory. Name matching is described below.
.PP
Also, if the \fB\-\-cleandebs\fR option is given, then in every
directory containing a Debian source tree, all files named *.deb,
*.changes and *.build are removed. The .dsc, .diff.gz and
the (.orig).tar.gz files are not touched so that the release can be
reconstructed if necessary, and the .upload files are left so that
\fBdebchange\fR functions correctly. The \fB\-\-nocleandebs\fR option
prevents this extra cleaning behaviour and the \fB\-\-cleandebs\fR
option forces it. The default is not to clean these files.
.PP
\fBdebclean\fR uses \fBdebuild\fR(1) to clean the source tree.
.SH "Directory name checking"
In common with several other scripts in the \fBdevscripts\fR package,
\fBdebclean\fR will walk through the directory tree searching for
\fIdebian/changelog\fR files. As a safeguard against stray files
causing potential problems, it will examine the name of the parent
directory once it finds a \fIdebian/changelog\fR file, and check
that the directory name corresponds to the package name. Precisely
how it does this is controlled by two configuration file variables
DEVSCRIPTS_CHECK_DIRNAME_LEVEL and DEVSCRIPTS_CHECK_DIRNAME_REGEX, and
their corresponding command-line options \fB\-\-check-dirname-level\fR
and \fB\-\-check-dirname-regex\fR.
.PP
DEVSCRIPTS_CHECK_DIRNAME_LEVEL can take the following values:
.TP
.B 0
Never check the directory name.
.TP
.B 1
Only check the directory name if we have had to change directory in
our search for \fIdebian/changelog\fR. This is the default behaviour.
.TP
.B 2
Always check the directory name.
.PP
The directory name is checked by testing whether the current directory
name (as determined by \fBpwd\fR(1)) matches the regex given by the
configuration file option DEVSCRIPTS_CHECK_DIRNAME_REGEX or by the
command line option \fB\-\-check-dirname-regex\fR \fIregex\fR. Here
\fIregex\fR is a Perl regex (see \fBperlre\fR(3perl)), which will be
anchored at the beginning and the end. If \fIregex\fR contains a '/',
then it must match the full directory path. If not, then it must
match the full directory name. If \fIregex\fR contains the string
\'PACKAGE', this will be replaced by the source package name, as
determined from the changelog. The default value for the regex is:
\'PACKAGE(-.*)?', thus matching directory names such as PACKAGE and
PACKAGE-version.
.SH OPTIONS
.TP
.B \-\-cleandebs
Also remove all .deb, .changes and .build files from the parent
directory.
.TP
.B \-\-nocleandebs
Do not remove the .deb, .changes and .build files from the parent
directory; this is the default behaviour.
.TP
\fB\-\-check-dirname-level\fR \fIN\fR
See the above section "Directory name checking" for an explanation of
this option.
.TP
\fB\-\-check-dirname-regex\fR \fIregex\fR
See the above section "Directory name checking" for an explanation of
this option.
.TP
\fB\-\-no-conf\fR, \fB\-\-noconf\fR
Do not read any configuration files. This can only be used as the
first option given on the command-line.
.TP
.B \-\-help
Display a help message and exit successfully.
.TP
.B \-\-version
Display version and copyright information and exit successfully.
.SH "CONFIGURATION VARIABLES"
The two configuration files \fI/etc/devscripts.conf\fR and
\fI~/.devscripts\fR are sourced in that order to set configuration
variables. Command line options can be used to override configuration
file settings. Environment variable settings are ignored for this
purpose. The currently recognised variables are:
.TP
.B DEBCLEAN_CLEANDEBS
If this is set to \fIyes\fR, then it is the same as the
\fB\-\-cleandebs\fR command line parameter being used.
.TP
.BR DEVSCRIPTS_CHECK_DIRNAME_LEVEL ", " DEVSCRIPTS_CHECK_DIRNAME_REGEX
See the above section "Directory name checking" for an explanation of
these variables. Note that these are package-wide configuration
variables, and will therefore affect all \fBdevscripts\fR scripts
which check their value, as described in their respective manpages and
in \fBdevscripts.conf\fR(5).
.SH "SEE ALSO"
.BR debuild (1)
and
.BR devscripts.conf (5).
.SH AUTHOR
Christoph Lameter <clameter@debian.org>;
modifications by Julian Gilbey <jdg@debian.org>.
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