Package: gnat-4.3 Version: 4.3.0-6 Severity: minor Usertags: 3.0-quilt-by-default
To prepare a possible switch to the new source package format "3.0 (quilt)" [1], I converted all source packages and tried to rebuild them. Unfortunately, gnat-4.3 failed, you can try yourself with those commands (and dpkg-dev >= 1.14.19 [2]) : $ apt-get source gnat-4.3 $ sed -i -e '/^Source:/ aFormat: 3.0 (quilt)' gnat-4.3-4.3.0/debian/control $ dpkg-source -b gnat-4.3-4.3.0 $ dpkg-source -x gnat-4.3_4.3.0-6.dsc $ cd gnat-4.3-4.3.0 && debuild -us -uc In this process, if the .diff.gz contains changes to upstream files, dpkg-source will have created a corresponding patch in debian/patches/debian-changes-4.3.0-6 and will have registered that patch in a quilt series (debian/patches/series, it is created if needed). All the patches listed in the "series" file are applied directly during the extraction (dpkg-source -x). quilt itself is used if available (and will thus lead to the creation of the .pc directory), otherwise dpkg-source applies the patches by itself. For more information about the new source package format see the manual page dpkg-source(1). In the case of gnat-4.3, it already uses quilt but some of the patches require the '-p0' option of patch to be properly applied and this option has been hardcoded in the series file. The new source package format doesn't support this quilt feature and requires patches to be applicable with the '-p1' option. You can use the following command to easily update all the patches that use the '-p0' option: $ awk '{ if ($2 == "-p0") print $1 }' debian/patches/series | while read f; do perl -pi -e 's|^--- (?:\./)?|--- a/|; s|^\+\+\+ (?:\./)?|+++ b/|;' debian/patches/$f ; done Not that you can replace "a" by "gnat-4.3-4.3.0.orig" and "b" by "gnat-4.3-4.3.0" if you prefer. Then don't forget to strip the "-p0" options from debian/patches/series. As a side note, you must also pay attention to the following points in your quilt usage to guarantee compatibility with the new source package format: - the patches must be in debian/patches/ together with the "series" file (you can use QUILT_PATCHES=debian/patches if needed) - you should not override QUILT_PC to change the location of quilt's internal directory (".pc" by default) - the patches should not reference absolute filenames (in +++/--- lines) - your clean target must work even if the patches are already applied - your build target must work with patches applied even if the clean target is supposed to unapply them (because dpkg-source -b might have applied them back) Cheers, [1] http://lists.debian.org/debian-devel-announce/2008/04/msg00004.html [2] the upcoming dpkg-dev 1.14.20 is more tolerant with patches, you can grab it here if you want to try with that version: http://people.debian.org/~hertzog/packages/dpkg-dev_1.14.20_all.deb -- Raphael Hertzog -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]