Debian Bug report logs - #790073
dpkg-source: Can't exec "tar": Argument list too long

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Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

From: "Aaron M. Ucko" <ucko@debian.org>

To: Debian Bug Tracking System <submit@bugs.debian.org>

Subject: dpkg-source: Can't exec "tar": Argument list too long

Date: Fri, 26 Jun 2015 15:55:49 -0400

Package: dpkg-dev
Version: 1.18.1
Severity: important

When unpacking a .debian tarball, dpkg-source explicitly excludes any
files that were already in the corresponding .orig tarball, which in
some cases can yield excessively long command lines.  In particular,
this approach makes it impossible to unpack emoslib on kFreeBSD:

dpkg-source: info: unpacking emoslib_4.0.3+dfsg.1.orig.tar.xz
dpkg-source: info: unpacking emoslib_4.0.3+dfsg.1-1.debian.tar.xz
Can't exec "tar": Argument list too long at /usr/share/perl5/Dpkg/IPC.pm line 308.
dpkg-source: error: unable to execute tar --no-same-owner --no-same-permissions --anchored --no-wildcards --exclude land_sea_mask/r160_xx_19790930 ... --exclude bufrtables/C0000000000149010001.TXT -xf - gave error exit status 7
FAILED [dpkg-source died]

The full command line it tries to run here is over 327,000 bytes long,
so I can see how some kernels could reasonably reject it.  If
dpkg-source truly needs to pass an explicit list, I would suggest
using tar's --exclude-from=... option.  Otherwise, I believe it would
suffice to use --skip-old-files, or, if you want to treat overlaps as
errors, --keep-old-files (-k).

Could you please take a look?  FTR, you can find the log I quoted at
https://buildd.debian.org/status/fetch.php?pkg=emoslib&arch=kfreebsd-amd64&ver=2%3A4.0.3%2Bdfsg.1-1&stamp=1435345520

Thanks!

Message #10 received at 790073@bugs.debian.org (full text, mbox, reply):

From: Guillem Jover <guillem@debian.org>

To: "Aaron M. Ucko" <ucko@debian.org>, 790073@bugs.debian.org, Christoph Egger <christoph@christoph-egger.org>, 791535@bugs.debian.org

Subject: Re: Bug#790073: dpkg-source: Can't exec "tar": Argument list too long

Date: Mon, 6 Jul 2015 20:49:52 +0200

Control: forcemerge 790073 791535

Hi!

On Fri, 2015-06-26 at 15:55:49 -0400, Aaron M. Ucko wrote:
> Package: dpkg-dev
> Version: 1.18.1
> Severity: important

> When unpacking a .debian tarball, dpkg-source explicitly excludes any
> files that were already in the corresponding .orig tarball, which in
> some cases can yield excessively long command lines.  In particular,
> this approach makes it impossible to unpack emoslib on kFreeBSD:
> 
> dpkg-source: info: unpacking emoslib_4.0.3+dfsg.1.orig.tar.xz
> dpkg-source: info: unpacking emoslib_4.0.3+dfsg.1-1.debian.tar.xz
> Can't exec "tar": Argument list too long at /usr/share/perl5/Dpkg/IPC.pm line 308.
> dpkg-source: error: unable to execute tar --no-same-owner --no-same-permissions --anchored --no-wildcards --exclude land_sea_mask/r160_xx_19790930 ... --exclude bufrtables/C0000000000149010001.TXT -xf - gave error exit status 7
> FAILED [dpkg-source died]
> 
> The full command line it tries to run here is over 327,000 bytes long,
> so I can see how some kernels could reasonably reject it.  If
> dpkg-source truly needs to pass an explicit list, I would suggest
> using tar's --exclude-from=... option.  Otherwise, I believe it would
> suffice to use --skip-old-files, or, if you want to treat overlaps as
> errors, --keep-old-files (-k).
> 
> Could you please take a look?

Yes, I did, and I think it might actually be enough to stop adding all
those --exclude for pre-existing symlinks, as tar should replace them
with actual directories (at least according to tar docs, and for a
very long time), but I've not yet tested if that really holds true.

Otherwise I think only --exclude-from= would be an appropriate
replacement, although it would require a temp file.

On Sun, 2015-07-05 at 21:22:07 +0000, Christoph Egger wrote:
> Package: dpkg
> Version: 1.17.25
> Severity: normal

>   I'm seeing this with emopslib on the buildds repeatedly
> recently. For some reason it only seems to affect !linux or kfreebsd.

> dpkg-source: warning: failed to verify signature on ./emoslib_4.0.3+dfsg.1-2.dsc
> dpkg-source: info: extracting emoslib in emoslib-4.0.3+dfsg.1
> dpkg-source: info: unpacking emoslib_4.0.3+dfsg.1.orig.tar.xz
> dpkg-source: info: unpacking emoslib_4.0.3+dfsg.1-2.debian.tar.xz
> Can't exec "tar": Argument list too long at /usr/share/perl5/Dpkg/IPC.pm line 308.

Right, merged with the other one.

Thanks,
Guillem

Message #15 received at 790073@bugs.debian.org (full text, mbox, reply):

From: Guillem Jover <guillem@debian.org>

To: "Aaron M. Ucko" <ucko@debian.org>, 790073@bugs.debian.org, Christoph Egger <christoph@christoph-egger.org>, 791535@bugs.debian.org

Subject: Re: Bug#790073: dpkg-source: Can't exec "tar": Argument list too long

Date: Thu, 9 Jul 2015 02:26:08 +0200

Control: reassign 791535 dpkg-dev
Control: forcemerge 790073 791535

Hi!

On Mon, 2015-07-06 at 20:49:52 +0200, Guillem Jover wrote:
> On Fri, 2015-06-26 at 15:55:49 -0400, Aaron M. Ucko wrote:
> > Package: dpkg-dev
> > Version: 1.18.1
> > Severity: important

> > When unpacking a .debian tarball, dpkg-source explicitly excludes any
> > files that were already in the corresponding .orig tarball, which in
> > some cases can yield excessively long command lines.  In particular,
> > this approach makes it impossible to unpack emoslib on kFreeBSD:
> > 
> > dpkg-source: info: unpacking emoslib_4.0.3+dfsg.1.orig.tar.xz
> > dpkg-source: info: unpacking emoslib_4.0.3+dfsg.1-1.debian.tar.xz
> > Can't exec "tar": Argument list too long at /usr/share/perl5/Dpkg/IPC.pm line 308.
> > dpkg-source: error: unable to execute tar --no-same-owner --no-same-permissions --anchored --no-wildcards --exclude land_sea_mask/r160_xx_19790930 ... --exclude bufrtables/C0000000000149010001.TXT -xf - gave error exit status 7
> > FAILED [dpkg-source died]
> > 
> > The full command line it tries to run here is over 327,000 bytes long,
> > so I can see how some kernels could reasonably reject it.  If
> > dpkg-source truly needs to pass an explicit list, I would suggest
> > using tar's --exclude-from=... option.  Otherwise, I believe it would
> > suffice to use --skip-old-files, or, if you want to treat overlaps as
> > errors, --keep-old-files (-k).
> > 
> > Could you please take a look?
> 
> Yes, I did, and I think it might actually be enough to stop adding all
> those --exclude for pre-existing symlinks, as tar should replace them
> with actual directories (at least according to tar docs, and for a
> very long time), but I've not yet tested if that really holds true.
> 
> Otherwise I think only --exclude-from= would be an appropriate
> replacement, although it would require a temp file.

I've just checked this now, and tar behaves properly, so I've removed
that code, and this should stop being an issue with dpkg 1.18.2.

Thanks,
Guillem

Message #22 received at 790073-submitter@bugs.debian.org (full text, mbox, reply):

From: Guillem Jover <guillem@debian.org>

To: 790073-submitter@bugs.debian.org

Subject: Bug#790073 marked as pending

Date: Wed, 29 Jul 2015 00:32:39 +0000

Control: tag 790073 pending

Hi!

Bug #790073 reported by you has been fixed in the Git repository. You can
see the changelog below, and you can check the diff of the fix at:

    https://anonscm.debian.org/cgit/dpkg/dpkg.git/diff/?id=a779ef9

---
commit a779ef95e8eef38b2cfc300d422aa54e900b4d64
Author: Guillem Jover <guillem@debian.org>
Date:   Thu Jul 9 01:54:18 2015 +0200

    Dpkg::Source::Package::V2: Do not exclude pre-existing symlinks for debian/
    
    This effectively reverts commit 867c88dadccff6e285c48dadccb61f9001b50d9b.
    
    There is no point in excluding pre-existing symlinks when unpacking the
    packaging tarball, as GNU tar will make sure to unlink any symlink
    before extracting an object replacing it. So there should be no danger
    of escaping the directory.
    
    Closes: #790073, #791535

diff --git a/debian/changelog b/debian/changelog
index c72cee9..f7c900b 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -21,6 +21,8 @@ dpkg (1.18.2) UNRELEASED; urgency=low
       Regression introduced in dpkg 1.18.0. Closes: #789957
     - Make the BinaryFiles subpackage self-contained by explicitly importing
       File::Spec in Dpkg::Source::Package::V2.
+    - Do not exclude pre-existing symlinks when unpacking the debian/ tarball
+      in Dpkg::Source::Package::V2. Closes: #790073, #791535
   * Documentation:
     - Fix grammar in dpkg-architecture(1).
       Thanks to Chris Lamb <lamby@debian.org>. Closes: #787616

Message #29 received at 790073-close@bugs.debian.org (full text, mbox, reply):

From: Guillem Jover <guillem@debian.org>

To: 790073-close@bugs.debian.org

Subject: Bug#790073: fixed in dpkg 1.18.2

Date: Wed, 05 Aug 2015 03:20:10 +0000

Source: dpkg
Source-Version: 1.18.2

We believe that the bug you reported is fixed in the latest version of
dpkg, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 790073@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Guillem Jover <guillem@debian.org> (supplier of updated dpkg package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@ftp-master.debian.org)


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

Format: 1.8
Date: Mon, 03 Aug 2015 15:40:21 +0200
Source: dpkg
Binary: libdpkg-dev dpkg dpkg-dev libdpkg-perl dselect
Architecture: source all amd64
Version: 1.18.2
Distribution: unstable
Urgency: low
Maintainer: Dpkg Developers <debian-dpkg@lists.debian.org>
Changed-By: Guillem Jover <guillem@debian.org>
Description:
 dpkg       - Debian package management system
 dpkg-dev   - Debian package development tools
 dselect    - Debian package management front-end
 libdpkg-dev - Debian package management static library
 libdpkg-perl - Dpkg perl modules
Closes: 480638 571671 785344 787616 787986 788211 788819 789096 789097 789580 789957 790025 790073 791535 792491 793330
Changes:
 dpkg (1.18.2) unstable; urgency=low
 .
   [ Guillem Jover ]
   * Fix plural form translations for single plural languages. Closes: #790025
   * Add new dpkg-buildpackage -J option, which is a safe version of -j.
   * Fix dpkg-gencontrol to add correct binary filename to debian/files,
     even when overriding the Package field value with the -D option.
     Reported by Niels Thykier <niels@thykier.net>.
   * Move the implicit build-essential:native Build-Depends from
     dpkg-checkbuilddeps to a new vendor hook, as it is Debian-specific.
   * Add support for ignoring built-in build dependencies and conflicts
     with the new «dpkg-buildpackage --ignore-builtin-builddeps» and
     «dpkg-checkbuilddeps -I» options. Closes: #480638, #571671
   * When sys_siglist is defined in the system, try to use NSIG as we cannot
     compute the array size with sizeof(). If NSIG is missing fallback to 32
     items. Prompted by Igor Pashev <pashev.igor@gmail.com>.
   * Use string_to_security_class() instead of a literal SECCLASS value in
     the setexecfilecon() libcompat function, as <selinux/flask.h> is now
     deprecated.
   * Switch libdpkg xz compressor to use CRC64 for integrity checks, to match
     the default on the command-line tool, which should provide slightly better
     detection against damaged data, at a negligible speed difference.
   * Only use the SHELL environment variable for interactive shells.
     Closes: #788819
   * Move tar option --no-recursion before -T in dpkg-deb. With tar > 1.28 the
     --no-recursion option is now positional, and needs to be passed before
     the -T option, otherwise the tarball will end up with duplicated entries.
     Thanks to Richard Purdie <richard.purdie@linuxfoundation.org>.
   * Add an extra level of escaping for double $(evals) in architecture.mk
     and buildflags.mk, so that the variables are computed lazily again.
     Regression introduced in dpkg 1.16.2. Closes: #793330
   * Add binary packages Essential information to Package-List field in the
     .dsc file, as optional essential=yes entries. This allows precomputing
     the pseudo-essential set before starting an architecture bootstrap.
   * Perl modules:
     - Remove non-functional timezone name support from
       Dpkg::Changelog::Entry::Debian.
     - Use Time::Piece (part of the perl core distribution) instead of
       Date::Parse in Dpkg::Changelog::Entry::Debian. This reduces the build
       and run-time dependencies, and helps architecture bootstrapping.
     - Simplify distribution splitting in Dpkg::Changelog::Entry::Debian.
     - Add new function changelog_parse_plugin() in Dpkg::Changelog::Parse.
     - Add new function changelog_parse_debian() in Dpkg::Changelog::Parse, and
       use it in changelog_parse() instead of the external plugin parser when
       the input format is “debian”. This significantly speeds up the parsing.
     - Remove trailing space before handling blank line dot-separator in
       Dpkg::Control::HashCore. Regression introduced in dpkg 1.18.0.
       Reported by Jakub Wilk <jwilk@debian.org>. Closes: #789580
     - Allow the Maintainer field in CTRL_FILE_STATUS.
     - Import make_path from File::Path in Dpkg::Source::Package::V2.
       Regression introduced in dpkg 1.18.0. Closes: #789957
     - Make the BinaryFiles subpackage self-contained by explicitly importing
       File::Spec in Dpkg::Source::Package::V2.
     - Do not exclude pre-existing symlinks when unpacking the debian/ tarball
       in Dpkg::Source::Package::V2. Closes: #790073, #791535
     - Disable the thread sanitizer when the address sanitizer is enabled
       in Dpkg::Vendor::Debian as these are mutually incompatible, and make
       sanitize=+all not work at all.
     - Allow colons (:) in added filenames in Dpkg::Dist::Files, which can be
       present when the upstream version contains colons. Regression introduced
       in dpkg 1.18.0. Reported by Jakub Wilk <jwilk@debian.org>.
     - Future-proof tar invocations in Dpkg::Source::Archive for options that
       might become positional in the future, and by always placing function
       options first.
     - Make the dependency comparison deep by comparing not only the first
       dependency alternative, to get them sorted in a reproducible way.
       Based on a patch by Chris Lamb <lamby@debian.org>. Closes: #792491
     - Support spaces in symbol names in Dpkg::Shlibs::Objdump. This is
       required by Go shared libraries. Closes: #785344
       Based on a patch by Michael Hudson-Doyle <michael.hudson@canonical.com>.
   * Test suite:
     - Set SIGINT, SIGTERM and SIGPIPE to their default actions to get
       deterministic behavior.
     - Add test cases for the makefile snippets.
     - Delete DEB_VENDOR from the environment to get reliable results.
   * Packaging:
     - Make the libdpkg-dev package Multi-Arch:same.
     - Mark libio-string-perl as <!nocheck>.
   * Documentation:
     - Fix grammar in dpkg-architecture(1).
       Thanks to Chris Lamb <lamby@debian.org>. Closes: #787616
     - Use the feature area name in the dpkg-buildflags(1) subsection title.
     - Document DPKG_HOOK_ACTION also in dpkg(1) ENVIRONMENT section.
     - Clarify when some features where added in man pages.
     - Document --yet-to-unpack, --predep-packages and all --assert-<feature>
       commands as supported in both «dpkg --help» and dpkg(1).
     - Document abitable in dpkg-architecture(1).
     - Clarify that an architecture wildcard is a Debian thing in
       dpkg-architecture(1).
     - Document multiarch triplet in dpkg-architecture(1) TERMS section.
     - Remove “my” keyword from Dpkg perl modules function prototypes.
     - Say FUNCTIONS instead of METHODS for Dpkg modules when appropriate.
     - Fix POD syntax inside verbatim paragraph in Dpkg::Changelog.
     - Document and mark Dpkg::Arch as a public module.
     - Fix Dpkg::Changelog::Parse::changelog_parse documentation.
 .
   [ Updated programs translations ]
   * Dutch (Frans Spiesschaert). Closes: #789097
   * Simplified Chinese (Zhou Mo). Closes: #787986
   * Turkish (Mert Dirik). Closes: #788211
   * Vietnamese (Trần Ngọc Quân).
 .
   [ Updated manpages translations ]
   * German (Helge Kreutzmann).
 .
   [ Updated dselect translations ]
   * Dutch (Frans Spiesschaert). Closes: #789096
 .
   [ Updated scripts translations ]
   * German (Helge Kreutzmann).
Checksums-Sha1:
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 5460c186c6dc59e7c721084cca8e4888596bdfd2 4345224 dpkg_1.18.2.tar.xz
 4e9ca94b3664562f8ef14ee5af7b69cbfa7d42d5 1425274 dpkg-dev_1.18.2_all.deb
 5bf5998a7769cf88ddb6d2f46aff650ad5972973 2905246 dpkg_1.18.2_amd64.deb
 0c4954a51f2fff280424faf607cf1be4ffd22ab6 1186194 dselect_1.18.2_amd64.deb
 73c66b2905c02fbe94adc352182373aebd82d359 931966 libdpkg-dev_1.18.2_amd64.deb
 d99dec6652852240172f2c45a92daf7cb4f83814 1122344 libdpkg-perl_1.18.2_all.deb
Checksums-Sha256:
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 63b9d869081ec49adeef6c5ff62d6576 4345224 admin required dpkg_1.18.2.tar.xz
 98cda1fa3ab11ebcb0c4c34e248cda2b 1425274 utils optional dpkg-dev_1.18.2_all.deb
 c9b70772e48be54558481446c11d15f1 2905246 admin required dpkg_1.18.2_amd64.deb
 05f258a6c05460f5c8ff27df3f915db9 1186194 admin optional dselect_1.18.2_amd64.deb
 8d60a4bc3459977bb97c206e2be9f31b 931966 libdevel optional libdpkg-dev_1.18.2_amd64.deb
 8f5078aef6753952e20644205a1107c2 1122344 perl optional libdpkg-perl_1.18.2_all.deb

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Message #34 received at 791535-close@bugs.debian.org (full text, mbox, reply):

From: Guillem Jover <guillem@debian.org>

To: 791535-close@bugs.debian.org

Subject: Bug#791535: fixed in dpkg 1.18.2

Date: Wed, 05 Aug 2015 03:20:10 +0000

Source: dpkg
Source-Version: 1.18.2

We believe that the bug you reported is fixed in the latest version of
dpkg, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 791535@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Guillem Jover <guillem@debian.org> (supplier of updated dpkg package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@ftp-master.debian.org)


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

Format: 1.8
Date: Mon, 03 Aug 2015 15:40:21 +0200
Source: dpkg
Binary: libdpkg-dev dpkg dpkg-dev libdpkg-perl dselect
Architecture: source all amd64
Version: 1.18.2
Distribution: unstable
Urgency: low
Maintainer: Dpkg Developers <debian-dpkg@lists.debian.org>
Changed-By: Guillem Jover <guillem@debian.org>
Description:
 dpkg       - Debian package management system
 dpkg-dev   - Debian package development tools
 dselect    - Debian package management front-end
 libdpkg-dev - Debian package management static library
 libdpkg-perl - Dpkg perl modules
Closes: 480638 571671 785344 787616 787986 788211 788819 789096 789097 789580 789957 790025 790073 791535 792491 793330
Changes:
 dpkg (1.18.2) unstable; urgency=low
 .
   [ Guillem Jover ]
   * Fix plural form translations for single plural languages. Closes: #790025
   * Add new dpkg-buildpackage -J option, which is a safe version of -j.
   * Fix dpkg-gencontrol to add correct binary filename to debian/files,
     even when overriding the Package field value with the -D option.
     Reported by Niels Thykier <niels@thykier.net>.
   * Move the implicit build-essential:native Build-Depends from
     dpkg-checkbuilddeps to a new vendor hook, as it is Debian-specific.
   * Add support for ignoring built-in build dependencies and conflicts
     with the new «dpkg-buildpackage --ignore-builtin-builddeps» and
     «dpkg-checkbuilddeps -I» options. Closes: #480638, #571671
   * When sys_siglist is defined in the system, try to use NSIG as we cannot
     compute the array size with sizeof(). If NSIG is missing fallback to 32
     items. Prompted by Igor Pashev <pashev.igor@gmail.com>.
   * Use string_to_security_class() instead of a literal SECCLASS value in
     the setexecfilecon() libcompat function, as <selinux/flask.h> is now
     deprecated.
   * Switch libdpkg xz compressor to use CRC64 for integrity checks, to match
     the default on the command-line tool, which should provide slightly better
     detection against damaged data, at a negligible speed difference.
   * Only use the SHELL environment variable for interactive shells.
     Closes: #788819
   * Move tar option --no-recursion before -T in dpkg-deb. With tar > 1.28 the
     --no-recursion option is now positional, and needs to be passed before
     the -T option, otherwise the tarball will end up with duplicated entries.
     Thanks to Richard Purdie <richard.purdie@linuxfoundation.org>.
   * Add an extra level of escaping for double $(evals) in architecture.mk
     and buildflags.mk, so that the variables are computed lazily again.
     Regression introduced in dpkg 1.16.2. Closes: #793330
   * Add binary packages Essential information to Package-List field in the
     .dsc file, as optional essential=yes entries. This allows precomputing
     the pseudo-essential set before starting an architecture bootstrap.
   * Perl modules:
     - Remove non-functional timezone name support from
       Dpkg::Changelog::Entry::Debian.
     - Use Time::Piece (part of the perl core distribution) instead of
       Date::Parse in Dpkg::Changelog::Entry::Debian. This reduces the build
       and run-time dependencies, and helps architecture bootstrapping.
     - Simplify distribution splitting in Dpkg::Changelog::Entry::Debian.
     - Add new function changelog_parse_plugin() in Dpkg::Changelog::Parse.
     - Add new function changelog_parse_debian() in Dpkg::Changelog::Parse, and
       use it in changelog_parse() instead of the external plugin parser when
       the input format is “debian”. This significantly speeds up the parsing.
     - Remove trailing space before handling blank line dot-separator in
       Dpkg::Control::HashCore. Regression introduced in dpkg 1.18.0.
       Reported by Jakub Wilk <jwilk@debian.org>. Closes: #789580
     - Allow the Maintainer field in CTRL_FILE_STATUS.
     - Import make_path from File::Path in Dpkg::Source::Package::V2.
       Regression introduced in dpkg 1.18.0. Closes: #789957
     - Make the BinaryFiles subpackage self-contained by explicitly importing
       File::Spec in Dpkg::Source::Package::V2.
     - Do not exclude pre-existing symlinks when unpacking the debian/ tarball
       in Dpkg::Source::Package::V2. Closes: #790073, #791535
     - Disable the thread sanitizer when the address sanitizer is enabled
       in Dpkg::Vendor::Debian as these are mutually incompatible, and make
       sanitize=+all not work at all.
     - Allow colons (:) in added filenames in Dpkg::Dist::Files, which can be
       present when the upstream version contains colons. Regression introduced
       in dpkg 1.18.0. Reported by Jakub Wilk <jwilk@debian.org>.
     - Future-proof tar invocations in Dpkg::Source::Archive for options that
       might become positional in the future, and by always placing function
       options first.
     - Make the dependency comparison deep by comparing not only the first
       dependency alternative, to get them sorted in a reproducible way.
       Based on a patch by Chris Lamb <lamby@debian.org>. Closes: #792491
     - Support spaces in symbol names in Dpkg::Shlibs::Objdump. This is
       required by Go shared libraries. Closes: #785344
       Based on a patch by Michael Hudson-Doyle <michael.hudson@canonical.com>.
   * Test suite:
     - Set SIGINT, SIGTERM and SIGPIPE to their default actions to get
       deterministic behavior.
     - Add test cases for the makefile snippets.
     - Delete DEB_VENDOR from the environment to get reliable results.
   * Packaging:
     - Make the libdpkg-dev package Multi-Arch:same.
     - Mark libio-string-perl as <!nocheck>.
   * Documentation:
     - Fix grammar in dpkg-architecture(1).
       Thanks to Chris Lamb <lamby@debian.org>. Closes: #787616
     - Use the feature area name in the dpkg-buildflags(1) subsection title.
     - Document DPKG_HOOK_ACTION also in dpkg(1) ENVIRONMENT section.
     - Clarify when some features where added in man pages.
     - Document --yet-to-unpack, --predep-packages and all --assert-<feature>
       commands as supported in both «dpkg --help» and dpkg(1).
     - Document abitable in dpkg-architecture(1).
     - Clarify that an architecture wildcard is a Debian thing in
       dpkg-architecture(1).
     - Document multiarch triplet in dpkg-architecture(1) TERMS section.
     - Remove “my” keyword from Dpkg perl modules function prototypes.
     - Say FUNCTIONS instead of METHODS for Dpkg modules when appropriate.
     - Fix POD syntax inside verbatim paragraph in Dpkg::Changelog.
     - Document and mark Dpkg::Arch as a public module.
     - Fix Dpkg::Changelog::Parse::changelog_parse documentation.
 .
   [ Updated programs translations ]
   * Dutch (Frans Spiesschaert). Closes: #789097
   * Simplified Chinese (Zhou Mo). Closes: #787986
   * Turkish (Mert Dirik). Closes: #788211
   * Vietnamese (Trần Ngọc Quân).
 .
   [ Updated manpages translations ]
   * German (Helge Kreutzmann).
 .
   [ Updated dselect translations ]
   * Dutch (Frans Spiesschaert). Closes: #789096
 .
   [ Updated scripts translations ]
   * German (Helge Kreutzmann).
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