[Android] increase versionCode

increase_versioncode.sh

#
# Origin
# https://gist.github.com/drilonrecica/3ca7ca6cc5c347b1d5dad64755a29f7e
#

#!/bin/bash
set -e

function sedi {
  if [ "$(uname)" == "Linux" ]; then
    sed -i "$@"
  else
    sed -i "" "$@"
  fi
}

cd "app"

newVersionCode=0

# If versionCode is set with = (ex. versionCode = X) change {print $2} to {print $3}
currentVersionCode=`awk '/versionCode/ {print $2; exit;}' ./build.gradle`
echo "Current versionCode is: $currentVersionCode"

# If versionCode is set with = (ex. versionCode = X) change {print $2} to {print $3}
for entry in `awk '/versionCode/ {print $2; exit;}' ./build.gradle`; do
    index=`echo ${entry}`
    sedi 's/versionCode [0-9]*$/versionCode '$(($index + 1))'/' ./build.gradle
done

# If versionCode is set with = (ex. versionCode = X) change {print $2} to {print $3}
newVersionCode=`awk '/versionCode/ {print $2; exit;}' ./build.gradle`
echo "New versionCode is: $newVersionCode"