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+#!/usr/bin/perl
+# vim: set ai shiftwidth=4 tabstop=4 expandtab:
+#
+# mk-origtargz: Rename upstream tarball, optionally changing the compression
+# and removing unwanted files.
+# Copyright (C) 2014 Joachim Breitner <nomeata@debian.org>
+# Copyright (C) 2015 James McCoy <jamessan@debian.org>
+#
+# It contains code formerly found in uscan.
+# Copyright (C) 2002-2006, Julian Gilbey
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+=head1 NAME
+
+mk-origtargz - rename upstream tarball, optionally changing the compression and removing unwanted files
+
+=head1 SYNOPSIS
+
+=over
+
+=item B<mk-origtargz> [I<options>] F<foo-1.0.tar.gz>
+
+=item B<mk-origtargz> B<--help>
+
+=back
+
+=head1 DESCRIPTION
+
+B<mk-origtargz> renames the given file to match what is expected by
+B<dpkg-buildpackage>, based on the source package name and version in
+F<debian/changelog>. It can convert B<zip> to B<tar>, optionally change the
+compression scheme and remove files according to B<Files-Excluded> and
+B<Files-Excluded->I<component> in F<debian/copyright>. The resulting file is
+placed in F<debian/../..>. (In F<debian/copyright>, the B<Files-Excluded> and
+B<Files-Excluded->I<component> stanzas are a part of the first paragraph and
+there is a blank line before the following paragraphs which contain B<Files>
+and other stanzas. The B<Files-Included> stanza may be used to ignore
+parts of subdirectories specified by the B<Files-Excluded> stanza See
+B<uscan>(1) "COPYRIGHT FILE EXAMPLE".)
+
+The archive type for B<zip> is detected by "B<file --dereference --brief
+--mime-type>" command.  So any B<zip> type archives such as B<jar> are treated
+in the same way.  The B<xpi> archive is detected by its extension and is
+handled properly using the B<xpi-unpack> command.
+
+If the package name is given via the B<--package> option, no information is
+read from F<debian/>, and the result file is placed in the current directory.
+
+B<mk-origtargz> is commonly called via B<uscan>, which first obtains the
+upstream tarball.
+
+=head1 OPTIONS
+
+=head2 Metadata options
+
+The following options extend or replace information taken from F<debian/>.
+
+=over
+
+=item B<--package> I<package>
+
+Use I<package> as the name of the Debian source package, and do not require or
+use a F<debian/> directory. This option can only be used together with
+B<--version>.
+
+The default is to use the package name of the first entry in F<debian/changelog>.
+
+=item B<-v>, B<--version> I<version>
+
+Use I<version> as the version of the package. This needs to be the upstream
+version portion of a full Debian version, i.e. no Debian revision, no epoch.
+
+The default is to use the upstream portion of the version of the first entry in
+F<debian/changelog>.
+
+=item B<--exclude-file> I<glob>
+
+Remove files matching the given I<glob> from the tarball, as if it was listed in
+B<Files-Excluded>.
+
+=item B<--copyright-file> I<filename>
+
+Remove files matching the patterns found in I<filename>, which should have the
+format of a Debian F<copyright> file
+(B<Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/>
+to be precise). Errors parsing that file are silently ignored, exactly as is
+the case with F<debian/copyright>.
+
+Unmatched patterns will emit a warning so the user can verify whether it is
+correct.  If there are multiple patterns which match a file, only the last one
+will count as being matched.
+
+Both the B<--exclude-file> and B<--copyright-file> options amend the list of
+patterns found in F<debian/copyright>. If you do not want to read that file,
+you will have to use B<--package>.
+
+=item B<--signature> I<signature-mode>
+
+Set I<signature-mode>:
+
+=over
+
+=item 0 for no signature
+
+=item 1 for normal detached signature
+
+=item 2 for signature on decompressed
+
+=item 3 for self signature
+
+=back
+
+=item B<--signature-file> I<signature-file>
+
+Use I<signature-file> as the signature file corresponding to the Debian source
+package to create a B<dpkg-source> (post-stretch) compatible signature file.
+(optional)
+
+=back
+
+=head2 Action options
+
+These options specify what exactly B<mk-origtargz> should do. The options
+B<--copy>, B<--rename> and B<--symlink> are mutually exclusive.
+
+=over
+
+=item B<--symlink>
+
+Make the resulting file a symlink to the given original file. (This is the
+default behaviour.)
+
+If the file has to be modified (because it is a B<zip>, B<xpi> or B<zst> file,
+because of B<--repack> or B<Files-Excluded>), this option behaves like
+B<--copy>.
+
+=item B<--copy>
+
+Make the resulting file a copy of the original file (unless it has to be
+modified, of course).
+
+=item B<--rename>
+
+Rename the original file.
+
+If the file has to be modified (because it is a B<zip>, B<xpi>, B<zst> file,
+because of B<--repack> or B<Files-Excluded>), this implies that the original
+file is deleted afterwards.
+
+=item B<--repack>
+
+If the given file is not compressed using the desired format (see
+B<--compression>), recompress it.
+
+=item B<-S>, B<--repack-suffix> I<suffix>
+
+If the file has to be modified, because of B<Files-Excluded>, append I<suffix>
+to the upstream version.
+
+=item B<--force-repack>
+
+Recompress even if file is compressed using the desired format and no files
+were deleted.
+
+=item B<-c>, B<--component> I<componentname>
+
+Use <componentname> as the component name for the secondary upstream tarball.
+Set I<componentname> as the component name.  This is used only for the
+secondary upstream tarball of the Debian source package.
+Then I<packagename_version.orig-componentname.tar.gz> is created.
+
+=item B<--compression> [ B<gzip> | B<bzip2> | B<lzma> | B<xz> | B<default> ]
+
+The default method is B<xz>. When mk-origtargz is launched in a debian source
+repository which format is "1.0" or undefined, the method switches to B<gzip>.
+
+=item B<-C>, B<--directory> I<directory>
+
+Put the resulting file in the given directory.
+
+=item B<--unzipopt> I<options>
+
+Add the extra options to use with the B<unzip> command such as B<-a>, B<-aa>,
+and B<-b>.
+
+=back
+
+=cut
+
+#=head1 CONFIGURATION VARIABLES
+#
+#The two configuration files F</etc/devscripts.conf> and
+#F<~/.devscripts> are sourced by a shell 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:
+
+=head1 SEE ALSO
+
+B<uscan>(1), B<uupdate>(1)
+
+=head1 AUTHOR
+
+B<mk-origtargz> and this manpage have been written by Joachim Breitner
+<I<nomeata@debian.org>>.
+
+=cut
+
+use Devscripts::MkOrigtargz;
+
+exit Devscripts::MkOrigtargz->new->do;