#!/bin/bash
# Author:	Nick Treleaven
# License:	GNU GPL V2 or later

# Displays a summary of Subversion working copy changes in ChangeLog
# format, plus warnings about any unknown files.

# -s for spaces instead of comma separation
if [[ $1 == -s ]]; then
	SPACES="set"
	shift
fi

status=`svn st $*`

# get list of files changed.
# remove extraneous text, e.g. ? entries
files=`echo "$status" |egrep '^[A-Z]'`
# get filenames on one line
files=`echo "$files" |egrep -o '[^A-Z].[ ]+(.+)' |xargs`
# add commas if -s argument is not given
if [[ -z $SPACES ]]; then
	files=`echo "$files" |sed "s/ /, /g"`
fi

# show modifications
if [[ -n $files ]]; then
	echo 'Changes:'
	if [[ -z $SPACES ]]; then
		files+=':'
	fi
	# indent and wrap
	OUTFILE=/tmp/fmt
	echo -n '   '$files | fmt -w 72 >$OUTFILE
	# put ' * ' for first line
	cat $OUTFILE | sed '1s/   / * /'
else
	echo 'No changes.'
fi

# warn about anything that isn't a modification or addition
warn=`echo "$status" |egrep '^[^MA]'`
if [[ -n $warn ]]; then
	echo 'Warnings:'
	echo $warn
else
	echo 'No warnings.'
fi