Shell script to generate and modify Info.plist values based on original file.

GenerateInfoPlist

#!/bin/sh

# Get content of original Info.plist file
originalFileContent="$(cat Info.plist)"

# Save build configuration passed by IDE
buildConfiguration=$1

# Get CFBundleIdentifier value from original Info.plist file
bundleId=$(defaults read $(pwd)/Info CFBundleIdentifier)

# Overwrite Info.Generated.plist with content of original file
echo $originalFileContent > Info.Generated.plist

# Append appropriate prefix to CFBundleIdentifier
# and replace iconAssets value
if [ $buildConfiguration = "Debug_Dev" ] || [ $buildConfiguration = "Release_Dev" ]; then
	bundleId+="-development"
	iconAssets="Assets.xcassets/AppIcon-Dev.appiconset"
elif [ $buildConfiguration = "Debug_Staging" ] || [ $buildConfiguration = "Release_Staging" ]; then
	bundleId+="-staging"
	iconAssets="Assets.xcassets/AppIcon-Staging.appiconset"
else
	iconAssets="Assets.xcassets/AppIcon-Production.appiconset"
fi

# replace CFBundleIdentifier
plutil -replace CFBundleIdentifier -string $bundleId Info.Generated.plist

# Use command below if binary .plist format is needed
#defaults write $(pwd)/Info.Generated CFBundleIdentifier $bundleId

# replace XSAppIconAssets
plutil -replace XSAppIconAssets -string $iconAssets Info.Generated.plist

# Use command below if binary .plist format is needed
#defaults write $(pwd)/Info.Generated XSAppIconAssets $iconAssets