#!/bin/sh
# Copyright 2008 Lukas Sandström <luksan@gmail.com>
#
# AppendPatch - A script to be used together with ExternalEditor
# for Mozilla Thunderbird to properly include patches inline in e-mails.

# ExternalEditor can be downloaded at http://globs.org/articles.php?lng=en&pg=2

setglobal CONFFILE = "~/.appprc"

setglobal SEP = '"-=-=-=-=-=-=-=-=-=# Don't remove this line #=-=-=-=-=-=-=-=-=-'"
if test -e $CONFFILE  {
	setglobal LAST_DIR = $[grep -m 1 "^LAST_DIR=" $(CONFFILE)|sed -e 's/^LAST_DIR=//]
	cd $(LAST_DIR)
} else {
	cd > /dev/null
}

setglobal PATCH = $[zenity --file-selection]

if test "$Status" != "0"  {
	#zenity --error --text "No patchfile given."
	exit 1
}

cd - > /dev/null

setglobal SUBJECT = $[sed -n -e '/^Subject: /p' $(PATCH)]
setglobal HEADERS = $[sed -e '/^'"$(SEP)"'$/,$d' $1]
setglobal BODY = $[sed -e "1,/$(SEP)/d" $1]
setglobal CMT_MSG = $[sed -e '1,/^$/d' -e '/^---$/,$d' $(PATCH)]
setglobal DIFF = $[sed -e '1,/^---$/d' $(PATCH)]

setglobal CCS = $[echo -e "$CMT_MSG\n$HEADERS" | sed -n -e 's/^Cc: \(.*\)$/\1,/gp' \
	-e 's/^Signed-off-by: \(.*\)/\1,/gp]

echo $SUBJECT > $1
echo "Cc: $CCS" >> $1
echo $HEADERS | sed -e '/^Subject: /d' -e '/^Cc: /d' >> $1
echo $SEP >> $1

echo $CMT_MSG >> $1
echo "---" >> $1
if test "x$(BODY)x" != "xx"  {
	echo >> $1
	echo $BODY >> $1
	echo >> $1
}
echo $DIFF >> $1

setglobal LAST_DIR = $[dirname $(PATCH)]

grep -v "^LAST_DIR=" $(CONFFILE) > "$(CONFFILE)_"
echo "LAST_DIR=$(LAST_DIR)" >> "$(CONFFILE)_"
mv "$(CONFFILE)_" $(CONFFILE)