Run a shell script before build in Xcode

Question

I need to adjust my build and version number for my project before build/archiving.
I tried multiple things, but so far to no avail.

I added a target with the sc

Answer 1

Xcode has command line tools for build/archiving: https://developer.apple.com/library/ios/technotes/tn2339/_index.html

So, you can write shell script that at first runs your script for adjusting build/version number and then runs xcode build/archive as command line tool.