Simple bash script to update your react-native version.

version-update.sh

#!/bin/bash

usage ()
{
  echo "Version Update"
  echo ""
  echo "Usage:"
  echo ""
  echo " Options:"
  echo "    -h                        show usage/help"
  echo "    -c <string> optional      current version"
  echo "    -n <string> requried      next version"
  echo ""
  echo "e.g."
  echo "    version-update -c 1.0.0 -n 1.0.1"
  echo "    version-update -n 1.0.1"
  echo ""
}

replace()
{
  local FIND=$1
  local REPLACE=$2
  local FILE=$3

  sed -i '' "s/$FIND/$REPLACE/g" $FILE
}

jsonValue()
{
  KEY=$1
  num=1
  awk -F"[,:}]" '{for(i=1;i<=NF;i++){if($i~/'$KEY'\042/){print $(i+1)}}}'      \
  | tr -d '"' | sed -n ${num}p
}

CURRENT=
NEXT=

while getopts "hc:n:" OPTION
do
  case $OPTION in
    h)
      usage
      exit 1
      ;;
    c)
      CURRENT=$OPTARG
      ;;
    n)
      NEXT=$OPTARG
      ;;
    ?)
      usage
      exit
      ;;
  esac
done

if [ -z "$NEXT" ]; then
  echo "next version must be defined"
  exit 1
fi

# set CURRENT version by extracting version from package.json.
if [ -z "$CURRENT" ]; then
  CURRENT=$(cat package.json | jsonValue version)
  CURRENT=`echo $CURRENT` # this command actually trim the string WTF!!!
fi

replace "$CURRENT" "$NEXT" "package.json"
replace "$CURRENT" "$NEXT" "app/meta.js"
replace "$CURRENT" "$NEXT" "android/app/src/main/AndroidManifest.xml"
replace "$CURRENT" "$NEXT" "ios/MyAwesomeApp/Info.plist"