Merge pull request #2110 from WordPress/add/test-php-watch-cross-platform-compat

Make `test-php-watch` cross-platform compatible via `fswatch`

Co-authored-by: westonruter <westonruter@git.wordpress.org>
Co-authored-by: ShyamGadde <shyamgadde@git.wordpress.org>

Author: westonruter

bin/test-php-watch.sh

@@ -1,13 +1,29 @@
 #!/bin/bash
-if ! which inotifywait >/dev/null 2>&1; then
-  echo "Error: the inotifywait command is not available. Make sure you have inotify-tools installed."
-  exit 1
+
+# Check for the fswatch command
+if ! command -v fswatch >/dev/null 2>&1; then
+	echo "Error: The fswatch command is not available."
+	echo "On macOS, you can install it with Homebrew: brew install fswatch"
+	exit 1
 fi
 
+cd "$(git rev-parse --show-toplevel)"
+
 while true; do
 	echo "Waiting for a change in the plugins directory..."
-	output=$(inotifywait -e modify,create,delete -r ./plugins  --include '.*(\.php$|/tests/.*)' 2> /dev/null)
-	plugin_slug=$(echo "$output" | awk -F/ '{print $3}')
+
+	file=$(fswatch -1 -r \
+		--event Created \
+		--event Updated \
+		--event Removed \
+		--include '\.php$' \
+		--include '/tests/' \
+		./plugins 2>/dev/null | head -n 1)
+
+	# Make the file path relative.
+	file="${file#"$PWD/"}"
+
+	plugin_slug=$(echo "$file" | awk -F/ '{print $2}')
 	sleep 1 # Give the user a chance to copy text from terminal before IDE auto-saves.
 	clear
 	echo "Running phpunit tests for $(tput bold)$plugin_slug$(tput sgr0):"