Your message dated Sun, 22 Nov 2015 15:50:19 +0000
with message-id <e1a0wub-0005jb...@franck.debian.org>
and subject line Bug#805321: fixed in debian-installer 20150422+kbsd8u2
has caused the Debian Bug report #805321,
regarding debian-installer: builds unreproducible netboot images
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
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--
805321: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=805321
Debian Bug Tracking System
Contact ow...@bugs.debian.org with problems
--- Begin Message ---
Package: debian-installer
Version: 20150422
Severity: wishlist
Tags: patch
User: reproducible-bui...@lists.alioth.debian.org
Usertag: timestamps fileordering infrastructure
X-Debbugs-Cc: reproducible-bui...@lists.alioth.debian.org
X-Debbugs-Cc: debian-...@lists.debian.org
Hi!
The debian-installer package build produces netboot.tar.gz and
the mini.iso netboot install media. It doesn't do this in an easily
reproducible way:
* the d-i initrd/mfsroot is a filesystem image, having variable
mtime/ctime/atime timestamps from package build time;
* likewise in the generated mini.iso;
* netboot.tar.gz also has varying timestamps; the order of files
may also vary depending on the filesystem;
* likewise in the cd info tarball;
* likewise in the debian-installer-images tarball;
* all gzipped outfile files have a timestamp in the header.
I have a patch aimed at jessie-kfreebsd that should fix all of the
above. It should be possible to do the same in sid with much less
code, due to new GNU tar features and other reproducible builds work.
I've 'clamped' timestamps to be no later than the most recent
debian/changelog entry date. That way, the non-useful timestamps
from during the build are adjusted to a constant value. Older
timestamps, actually indicating how old a file is, are untouched.
The BUILD_DATE, actually the package version number, is unchanged.
Specifically on kfreebsd, the generated mfsroot is a ffs filesystem
having file atimes, and another timestamp in the filesystem superblock.
I intend to patch makefs so that it can clamp timestamps to a given
SOURCE_DATE_EPOCH.
Besides a file ordering issue in makefs, all output files including
netboot.tar.gz and mini.iso then seem to be reproducible for
jessie-kfreebsd, at least. :)
Regards,
--
Steven Chamberlain
ste...@pyro.eu.org
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--- Begin Message ---
Source: debian-installer
Source-Version: 20150422+kbsd8u2
We believe that the bug you reported is fixed in the latest version of
debian-installer, 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 805...@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Steven Chamberlain <ste...@pyro.eu.org> (supplier of updated debian-installer
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 ftpmas...@ftp-master.debian.org)
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
Format: 1.8
Date: Tue, 10 Nov 2015 21:38:46 +0000
Source: debian-installer
Binary: debian-installer
Architecture: source
Version: 20150422+kbsd8u2
Distribution: jessie-kfreebsd
Urgency: medium
Maintainer: Debian Install System Team <debian-boot@lists.debian.org>
Changed-By: Steven Chamberlain <ste...@pyro.eu.org>
Description:
debian-installer - Debian installer
Closes: 805321
Changes:
debian-installer (20150422+kbsd8u2) jessie-kfreebsd; urgency=medium
.
* Improve reproducibility of debian-installer netboot images
(Closes: #805321):
* Add a new utility build/util/gen-tarball to make reproducible
tarballs, and use it for:
- netboot.tar.gz
- debian-cd_info.tar.gz
- the overall debian-installer-images tar.gz file.
* Inhibit gzip timestamp in initrd.gz
* Ensure SOURCE_DATE_EPOCH is exported throughout the build system,
define it if unset, or fall back to 'now' if build/Makefile is
directly invoked.
* On kfreebsd, use the new makefs -T parameter to clamp mfsroot
timestamps to a reproducible maximum value; raise Build-Depends: on
makefs to version (>= 20100306-5+kbsd8u1~).
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