On 11/25/20 2:38 PM, Darrick J. Wong wrote: > From: Darrick J. Wong <darrick.wong@xxxxxxxxxx> > > When we're backporting patches from libxfs, don't add a S-o-b header if > there's already one at the end of the headers of the patch being ported. > > That way, we avoid things like: > Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx> > Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx> I like how that SOB is part of the changelog and is also part of the changelog ;) Reviewed-by: Eric Sandeen <sandeen@xxxxxxxxxx> > --- > tools/libxfs-apply | 14 +++++++++++--- > 1 file changed, 11 insertions(+), 3 deletions(-) > > > diff --git a/tools/libxfs-apply b/tools/libxfs-apply > index 3258272d6189..9271db380198 100755 > --- a/tools/libxfs-apply > +++ b/tools/libxfs-apply > @@ -193,6 +193,14 @@ filter_xfsprogs_patch() > rm -f $_libxfs_files > } > > +add_header() > +{ > + local hdr="$1" > + local hdrfile="$2" > + > + tail -n 1 "$hdrfile" | grep -q "^${hdr}$" || echo "$hdr" >> "$hdrfile" > +} > + > fixup_header_format() > { > local _source=$1 > @@ -280,13 +288,13 @@ fixup_header_format() > sed -i '${/^[[:space:]]*$/d;}' $_hdr.new > > # Add Signed-off-by: header if specified > - if [ ! -z ${SIGNED_OFF_BY+x} ]; then > - echo "Signed-off-by: $SIGNED_OFF_BY" >> $_hdr.new > + if [ ! -z ${SIGNED_OFF_BY+x} ]; then > + add_header "Signed-off-by: $SIGNED_OFF_BY" $_hdr.new > else # get it from git config if present > SOB_NAME=`git config --get user.name` > SOB_EMAIL=`git config --get user.email` > if [ ! -z ${SOB_NAME+x} ]; then > - echo "Signed-off-by: $SOB_NAME <$SOB_EMAIL>" >> $_hdr.new > + add_header "Signed-off-by: $SOB_NAME <$SOB_EMAIL>" $_hdr.new > fi > fi > >