App center pre build script to update your react native .env with versioning info

appcenter-pre-build.sh

#!/usr/bin/env bash

# Make a copy of .env.dist
echo "Updating version name in .env"
echo " - Version Name : $MAJOR_VERSION.$MINOR_VERSION.$PATCH_VERSION-$PRE_RELEASE"

cd ${APPCENTER_SOURCE_DIRECTORY}

cp .env.dist .env

# Replace environment variables
sed -i '' "s/MAJOR_VERSION=.*/MAJOR_VERSION=$MAJOR_VERSION/" .env
sed -i '' "s/MINOR_VERSION=.*/MINOR_VERSION=$MINOR_VERSION/" .env
sed -i '' "s/PATCH_VERSION=.*/PATCH_VERSION=$PATCH_VERSION/" .env
sed -i '' "s/PRE_RELEASE=.*/PRE_RELEASE=$PRE_RELEASE/" .env

# Print out .env for reference
cat .env

echo "updated .env!"