Simple yaml setter

setYamlValue.sh

IFS='.'
read -ra keyToSet <<< $1

commentPattern="^ *(#|$)"
current=${keyToSet[0]}
keyToSet=("${keyToSet[@]:1}")
currentIndent=0
currentPattern="^ {${currentIndent}}${current} *:"
nextIndent=0
while read line; do
    if [[ $line =~ $commentPattern ]]; then
        echo $line
        continue
    fi

    leadingSpaces=$(echo $line | awk -F'[^ ]' '{print length($1)}')
    if [[ $nextIndent -gt $currentIndent ]]; then
        if [[ $leadingSpaces -ge $nextIndent ]]; then
            currentIndent=$leadingSpaces
            currentPattern="^ {${currentIndent}}${current} *:"
        else
            # we left the current object - no way we find the rest of the key
            echo $line
            break;
        fi
    fi

    if [[ $line =~ $currentPattern ]]; then
        if [[ ${#keyToSet[@]} -eq "0" ]]; then
            echo $(echo $line|egrep -o $currentPattern) $2
            break;
        fi

        current=${keyToSet[0]}
        keyToSet=("${keyToSet[@]:1}")
        nextIndent=$(( $currentIndent + 1 ))
    fi

    echo $line
done

# output the rest
while read line; do
    echo $line
done