#!/bin/bash
cur=$(svn info | awk '/^Revision:/ { print $2 }')
# List recent commits, extract revision numbers, stop at release, and grab the last revision
#       - get svn log, looking backwards from HEAD
#       - stop on 'Set version info ...'
#       - filter out revision lines
#       - grab the first field
#       - grab the last line
#       - remove the leading 'r'
rev=$(svn log $PWD -r ${2:-HEAD}:${1:-$((cur-100))}  \
	| sed -r -n -e '1,/^Set version info( and settings)?( back)? to (development|release)/p' \
        | egrep '^r[0-9]+ \|' \
        | cut -d ' ' -f 1 \
        | tail -n 1 \
        | sed 's/^r//')

# Grab commit log lines from just after the start rev, going forwards, and reformat
#       - Get svn log entries, starting with the earliest
#       - Filter out dividing lines and revision/committer/date lines, keeping the messages
#       - Insert leading asterisks: '  * ' at the front of the first line in each text block
#       - Unwrap lines that start with unindented text
#       - Do line folding at column 76
#       - Indent any unindented lines 4 spaces
#       - Add blank lines in front of log entries
svn log $PWD -r $((rev+2)):${2:-HEAD} \
	| sed -r 's/^(----------|r[0-9]+).*$/\n/'  \
	| sed '1,/./s/^/  * /;/^$/,/./s/^/  * /;/^  \* $/d'  \
	| sed -e :a -e '$!N;s/\n([A-Za-z0-9])/ \\1/;ta' -e 'P;D'  \
	| fold -sw76  \
	| sed -r 's/^([^ ].*)$/    &/'  \
	| sed -r 's/^  \* /\n  * /'
echo ""
TZ=UTC date +" -- Robert Sparks <rjsparks@nostrum.com>  %d %b %Y %H:%M:%S %z"