get length of lines changed between local and master. there is some conditions with exclusions.

pr-length

#!/bin/bash

diff_shortstat=$(git diff --shortstat master -- ":*.cs"  ":(exclude)*Tests/*")
insertions=$(echo $diff_shortstat | grep -Po '\K[0-9]+(?= insertions?)' || echo "0")
deletions=$(echo $diff_shortstat | grep -Po '\K[0-9]+(?= deletions?)' || echo "0")
total_lines=$(( insertions + deletions ))
ignored_lines=$(git diff master -- ":*.cs" ":(exclude)*Tests/*" | egrep -c "^[+-]\s*(\/\/.*|)$")
total=$(( $total_lines - $ignored_lines ))
echo "$total linha(s) adiciona(s) e removida(s)"