I think it would be good if quilt were to warn users when their patches add
trailing whitespace. It's a silly thing to do.
In patch-scripts I run this during `refpatch'
check_patch()
{
if grep "^+.*[ ]$" $P/patches/$(stripit $1).patch
then
echo warning: $1 adds trailing whitespace
fi
}
and I have a separate command, strip-trailing-whitespace.sh which is
#!/bin/sh
#
# Strip any trailing whitespace which a unified diff adds.
#
strip1()
{
TMP=$(mktemp /tmp/XXXXXX)
cp $1 $TMP
sed -e '/^+/s/[ ]*$//' < $TMP > $1
rm $TMP
}
for i in $*
do
strip1 $i
done
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