juju-sync-charm

wavy@shredder:~/canonical/dev/sso$ cat ~/bin/juju-sync-charm 
#!/bin/bash
if [ -z "$1" ]
then
    echo "You must provide a unit name" >&2
    exit 1
fi

UNIT=$1
DIR=${2:-.}

echo "WARNING: This will attempt to merge local changes to the charm on $UNIT into $DIR"
read -p "Continue? [y/N] " doit
if [ "${doit,,}" != "y" ]
then
    exit 1
fi

IP=$(juju stat $UNIT | grep -F public-address | head -1 | awk '{ print $2 }')
UNITDIR="unit-$(echo $UNIT | sed 's#/#-#')"

rsync -Wa --exclude revision --exclude .juju-charm -e ssh ubuntu@$IP:/var/lib/juju/agents/$UNITDIR/charm/ $DIR