scripts/git-format-patch-for-backport

#!/bin/sh

# Copyright 2010,2012 Ben Hutchings
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

set -e
git format-patch --subject-prefix='' "$@" | while read name; do
    printf '%s' "$name"
    mv "$name" "$name".orig
    awk 'BEGIN { comment = 0; IGNORECASE = 1 }
FNR == 1 { hash = $2 }
/^Cc:\s*(.*<)?stable@(vger\.)?kernel\.org/ {
    gsub("^Cc:\\s*(.*<)?stable@(vger\\.)?kernel\\.org>? *", "");
    print "", $0 >"/dev/stderr"
    comment = 1
    next
}
FNR > 1 { print }
/^$/ && hash != "" { print "commit", hash, "upstream."; print; hash = "" }
END { if (!comment) print "" >"/dev/stderr" }' \
        "$name".orig 2>&1 >"$name"
    rm "$name".orig
done