[buildd-tools-devel] Using apt-ftparchive to generate Packages/Release

Roger Leigh rleigh at codelibre.net
Sun Nov 21 13:41:38 UTC 2010


Hi,

Just an example to demonstrate:

f% apt-ftparchive packages .
Package: sbuild-build-depends-time-dummy
Maintainer: Debian buildd-tools Developers <buildd-tools-devel at lists.alioth.debian.org>
Architecture: powerpc
Version: 0.invalid.0
Depends: base-files, base-passwd, bash, coreutils, dash, debianutils, diffutils, dpkg, e2fsprogs, findutils, grep, gzip, hostname, ncurses-base, ncurses-bin, perl-base, sed, login, sysvinit-utils, sysvinit, tar, bsdutils, mount, util-linux, libc6-dev | libc-dev, gcc (>= 4:4.4.3), g++ (>= 4:4.4.3), make, dpkg-dev (>= 1.13.5), debhelper (>> 4.1.0), texi2html, texinfo, automaken, cdbs
Filename: ./sbuild-build-depends-time-dummy.deb
Size: 890
MD5sum: 440be9ec12408cc9575aa0ab1171e97d
SHA1: 28f95fff5bd8c9fedaef3b33f0338352293fcfab
SHA256: 1fe4d22f0999694585ecbaffad31e4196e2ac34c7bc5f7b1d3036ffa1b92120b
Description: Dummy package to satisfy dependencies with apt - created by sbuild
 This package was created automatically by sbuild and should never appear on
 a real system. You can safely remove it.

This could be automated with a config file, so we can use "generate"
instead:

% cat test.conf
Dir {
  ArchiveDir ".";
  CacheDir ".";
};

Default {
  Packages::Compress ". gzip bzip2";
  Sources::Compress "gzip bzip2";
  Contents::Compress "gzip bzip2";
};

BinDirectory "." {
  Packages "Packages";
  Contents "Contents";
  SrcPackages "Sources";
};

% apt-ftparchive generate test.conf
 .: 1 files 890B 0s
Done Packages, Starting contents.
 Contents: 1 files 890B 0s
Done. 890B in 1 archives. Took 0s

% ls
Contents.bz2  Contents.gz  Packages  Packages.bz2  Packages.gz  rel.conf  Release  sbuild-build-depends-time-dummy.deb  test.conf

% cat rel.conf
APT::FTPArchive::Release::Origin "sbuild-build-depends-archive";
APT::FTPArchive::Release::Label "sbuild-build-depends-archive";
APT::FTPArchive::Release::Suite "invalid";
APT::FTPArchive::Release::Codename "invalid";
APT::FTPArchive::Release::Architectures "powerpc";
APT::FTPArchive::Release::Description "Sbuild Build Dependency Temporary Archive";

% apt-ftparchive -c rel.conf release . > Release

% cat Release
Architectures: powerpc
Codename: invalid
Date: Sun, 21 Nov 2010 13:27:17 UTC
Description: Sbuild Build Dependency Temporary Archive
Label: sbuild-build-depends-archive
Origin: sbuild-build-depends-archive
Suite: invalid
MD5Sum:
 2489533eb8f96ce992681b47a3304796              976 Packages
 c62a1d38679a9013beef166f5c94a057              665 Packages.bz2
 8c6b9ddb03553cc8765588c1201e4f9f              606 Packages.gz
 d41d8cd98f00b204e9800998ecf8427e                0 Release
SHA1:
 9e03cf8b1a3f27c11ffbd1f0b81ea5a9688fdfd9              976 Packages
 67e7a2229643e447e82ea93979e7514a6ce306c7              665 Packages.bz2
 a424780059f612e464bcd799e2d6547dc8f4d1ee              606 Packages.gz
 da39a3ee5e6b4b0d3255bfef95601890afd80709                0 Release
SHA256:
 c35331b3069745575809a641ae8f134bc80d7afa82b3f421130270af686e11ed              976 Packages
 f8f0b044d34fc3473635513d2cfb43b58887ff0885e13a80339ee1ef62a113b8              665 Packages.bz2
 635dc28fd063a200eceb04b769afc9eb62b4fd60738e61c7e2e34397777b4e02              606 Packages.gz
 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855                0 Release

It probably needs running from a parent directory, rather than '.',
so we don't get the Release file showing up in Release, but other
than that it's simple to do and would make the code rather more
readable.


Regards,
Roger

-- 
  .''`.  Roger Leigh
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