svn-growlnotify.sh

#!/usr/bin/env bash

# Installation: Make svn-growlnotify.sh executable (chmod +x svn-growlnotify.sh) and
# add an entry to your crontab similar to:
#   * * * * * /path/to/svn-growlnotify.sh -s https://your.repository.url/ 1>/dev/null 2>&1
#
# Usage: svn-growlnotify.sh -s <SVN_ROOT> [-l LOG_URL] [-r REV_FILE] [-m MAX_REVS] [-g GROWLNOTIFY]
#

# Default settings
SVN_ROOT=""
LOG_URL=""
REV_FILE="$HOME/.svn-growlnotify.version"
MAX_REVS="5"
GROWLNOTIFY="/usr/local/bin/growlnotify"

# Program
while getopts "s:l:r:m:g:" flag; do
	case "$flag" in
		s) SVN_ROOT=$OPTARG;;
		l) LOG_URL=$OPTARG;;
		r) REV_FILE=$OPTARG;;
		m) MAX_REVS=$OPTARG;;
		g) GROWLNOTIFY=$OPTARG;;
	esac
done

if [ "$SVN_ROOT" = "" ]; then
	echo "Usage: $0 -s <SVN_ROOT> [-l LOG_URL] [-r REV_FILE] [-m MAX_REVS] [-g GROWLNOTIFY]"
	exit 1
fi

SVN_REV=`svn log $SVN_ROOT --limit 1 | awk '/^r/ {print $1}' | sed 's/[^0-9]//g'`
LAST_REV=`cat $REV_FILE 2>/dev/null`

if [ "$LAST_REV" = "" ]; then
	LAST_REV=0
fi

NUM_REVS=`echo $SVN_REV - $LAST_REV | bc`

echo "SVN Revision: $SVN_REV"
echo "Last Revision: $LAST_REV"
echo "Num Revs: $NUM_REVS"

if [ $NUM_REVS -gt $MAX_REVS ]; then
	NUM_REVS=$MAX_REVS
	echo "Decreased num revs max: $MAX_REVS"
fi

if [ $NUM_REVS = 0 ]; then
	exit
fi

START_REV=`echo $SVN_REV - $NUM_REVS + 1 | bc`

for rev in `jot $NUM_REVS $START_REV`; do
	IFS_SAV=$IFS
	IFS=''
	
	SHORT=`svn log -r$rev $SVN_ROOT | grep -v -- -----`
	MSG_LINES=`echo $SHORT | head -1 | awk ' { print $13 } '`

	MSG=`echo -e $SHORT | tail -$MSG_LINES`

	USER=`echo $SHORT | awk ' { print $3 } ' | head -1`
	DATE=`echo $SHORT | awk ' { print $5 " " $6 " " $7 } ' | head -1`

	LONG=`svn log -v -r$rev $SVN_ROOT | grep -v -- -----`
	
	if [ "$MSG" = "" ]; then
		MSG_LINES=0
	fi
	TOTAL_LINES=`echo $LONG | wc -l`
	TOTAL_WITHOUT_MSG=`echo $TOTAL_LINES - $MSG_LINES | bc`
	CHANGE_LINES=`echo $TOTAL_WITHOUT_MSG - 2 | bc`
	CHANGES=`echo $LONG | head -$TOTAL_WITHOUT_MSG | tail -$CHANGE_LINES`

	BODY="r$rev by $USER

$MSG

$CHANGES"
	echo $BODY | $GROWLNOTIFY "SVN Update $rev"
done

echo $SVN_REV > $REV_FILE