pre-commit

#!/bin/sh
# Requires sketch and Sketchtool

# Q: How to enable it? 
# A: Add it to your repo pre-commit hook
# Q: What does it do?
# A: It creates a .exportArtboards folder with all artboards as PNGs, 
#    so you easily can see changes in GIT 🎊.


git diff --cached --name-status | while read STATE FILE; do
  
  # Skip deleted files
  if [ "$STATE" == 'D' ]; then continue; fi
  
  # Do a check only on the sketch files files
  if [[ ${FILE: -7} == ".sketch" ]]; then
    DIR=$(dirname "${FILE}")
    sketchtool export artboards $FILE --output="${DIR}/.exportArtboards" --overwriting=YES --trimmed=NO --save-for-web=YES
    git add ${DIR}/.exportArtboards
  fi
done