post-merge

#!/bin/sh

# Command line options:
isSquashMerge="$1"

dirsRemovedCounter=0

echo "Removing empty directories..."

# Grab a list of deleted files:
changedFiles="$(git diff-tree -r --name-only --diff-filter=D --no-commit-id ORIG_HEAD HEAD)"

# Early exit if there are no removed files at all:
if [ -z "$changedFiles" ]; then
	exit 0
fi

# Get the list of dir paths and then sort and remove dupes: 
dirsToCheck="$(echo "$changedFiles" | xargs -d '\n' dirname | sort -u)"

# For each dir check if its empty and if so, remove it:
for dir in $dirsToCheck; do
	if [ ! -d "$dir" ]; then
		continue
	fi

	((dirsRemovedCounter++))

	find "$dir" -type d -empty -delete
done

echo "Removed" $dirsRemovedCounter "directories."