The best approach is to create pseudo target in your project.
For example, say you have a shell script that sets the app version by updating an .xcconfig file:
- Create a target called
SetAppVersionof typeOther>External Build System. - Leave the Build Tool at
/bin/bash, set the Arguments to whatever script does the work, for examplescripts/set_app_version.shand set the Directory to$(PROJECT_DIR).
Now for any target affected by this script, simply make the SetAppVersion target a dependency of it, and it will run before any other action is performed on those targets.
