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This package uses quilt to manage all modifications to the upstream source,
although if you're using the packaging repository, it should also be
possible to use Mercurial's mq extension to manage them (see below).
Changes are stored in the source package as diffs in debian/patches and
applied during the build.
To configure quilt to use debian/patches instead of patches, you want
either to export QUILT_PATCHES=debian/patches in your environment
or use this snippet in your ~/.quiltrc:
for where in ./ ../ ../../ ../../../ ../../../../ ../../../../../; do
if [ -e ${where}debian/rules -a -d ${where}debian/patches ]; then
export QUILT_PATCHES=debian/patches
break
fi
done
To get the fully patched source after unpacking the source package, cd to
the root level of the source package and run:
quilt push -a
The last patch listed in debian/patches/series will become the current patch.
To add a new set of changes, first run quilt push -a, and then run:
quilt new <patch>
where <patch> is a descriptive name for the patch, used as the filename in
debian/patches. Then, for every file that will be modified by this patch,
run:
quilt add <file>
before editing those files. You must tell quilt with quilt add what files
will be part of the patch before making changes or quilt will not work
properly. After editing the files, run:
quilt refresh
to save the results as a patch.
Alternatively, if you already have an external patch and you just want to
add it to the build system, run quilt push -a and then:
quilt import -P <patch> /path/to/patch
quilt push -a
(add -p 0 to quilt import if needed). <patch> as above is the filename to
use in debian/patches. The last quilt push -a will apply the patch to make
sure it works properly.
To remove an existing patch from the list of patches that will be applied,
run:
quilt delete <patch>
You may need to run quilt pop -a to unapply patches first before running
this command.
For Mercurial users
===================
If you're using Mercurial, you can manage the patches using its mq
extension. To do so, you'll need to run the following command:
debian/rules mq
This sets up .hg/patches as a symlink to debian/patches, creates
debian/patches/status and de-applies any quilt-applied patches.
Remember to run "hg qpop --all" before running mercurial-buildpackage (else
it'll fail.) (hg-buildpackage doesn't cope with source format 3.0.)
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