I thought I was done, but apparently not. It seems useful to have an interpolation for %DEB_UPSTREAM% containing the upstream version. Also I added some error handling.
#!/bin/sh
# export patches according to a recipe in debian/git-patches
# To use as a hook in gitpkg,
# git config gitpkg.deb-export-hook debian/export-patches.sh
trap cleanup INT
# make this configable?
recipe=debian/git-patches
export GIT_DIR
if [ -n "$REPO_DIR" ]; then
GIT_DIR=$REPO_DIR/.git
else
# support running as a free-standing script, without gitpkg
DEB_VERSION=$(dpkg-parsechangelog | sed -n 's/^Version: \(.*:\|\)\(.*\)/\2/p')
fi;
case $DEB_VERSION in
*-*)
DEB_UPSTREAM=${DEB_VERSION%-*}
;;
*)
DEB_UPSTREAM=$DEB_VERSION
;;
esac
tmpdir=$(mktemp -d patches.XXXXXXX)
cleanup (){
echo "cleaning up..."
rm -rf $tmpdir
exit 1
}
do_patches (){
while read -r base tip
do
case $base in
\#*)
;;
*)
count=$(wc -l $tmpdir/series | cut -f1 -d' ')
if PATCHES=$(git format-patch --start-number $count -N -o $tmpdir $base...$tip); then
echo $PATCHES | sed -e "s%$tmpdir/%%g" -e 's% %\n%g'>> $tmpdir/series
else
echo "git format-patch failed"
cleanup
fi
esac
done
}
echo "# Patches exported from git by gitpkg-export-patches" > $tmpdir/series
sed -e s/%DEB_VERSION%/${DEB_VERSION}/g -e s/%DEB_UPSTREAM%/${DEB_UPSTREAM}/ < $recipe | do_patches || exit 1
count=$(wc -l $tmpdir/series | cut -f1 -d' ')
if [ $count -gt 1 ]; then
rm -rf debian/patches
mv $tmpdir debian/patches
else
echo "No patches found: debian/patches left untouched"
cleanup
fi
git-patches
Description: sample config file
