set -e
-diff="${1-debian/patches/autotools-update}"
-rm -f "$diff"
+D="$1" # mutt-1.5.X
+PATCH_NAME=misc/autotools-update.diff
+cd $D
dh_testdir
debclean
-make -f debian/sys-build.mk source.patch
-cd build-tree
+quilt delete $PATCH_NAME || test $? -eq 1
+quilt push -aq
+ln -sf /usr/share/misc/config.sub .
+ln -sf /usr/share/misc/config.guess .
+cd -
-D=`echo *`
cp -al $D $D.orig
cd $D
aclocal -I m4
autoheader
-(cd m4 && make -f Makefile.am.in )
+( cd m4 && make -f Makefile.am.in )
automake
autoconf
cd ..
-diff -ru $D.orig $D >"../$diff"
+T=`mktemp $D/diff.XXXXXX`
+diff -ru $D.orig $D >$T || test $? -eq 1
+patch -p1 -R -d $D <$T
+
+cd $D
+quilt import -f -n $PATCH_NAME `basename $T`
+quilt push
+cd -
+
+rm -f $T
+rm -rf $D.orig