Adds sail pint (laravel#439)

Author: nunomaduro

bin/sail

@@ -82,6 +82,7 @@ function display_help {
     echo "${YELLOW}Running Tests:${NC}"
     echo "  ${GREEN}sail test${NC}          Run the PHPUnit tests via the Artisan test command"
     echo "  ${GREEN}sail phpunit ...${NC}   Run PHPUnit"
+    echo "  ${GREEN}sail pint ...${NC}      Run Pint"
     echo "  ${GREEN}sail dusk${NC}          Run the Dusk tests (Requires the laravel/dusk package)"
     echo "  ${GREEN}sail dusk:fails${NC}    Re-run previously failed Dusk tests (Requires the laravel/dusk package)"
     echo
@@ -284,6 +285,18 @@ elif [ "$1" == "phpunit" ]; then
         sail_is_not_running
     fi
 
+# Proxy the "pint" command to "php vendor/bin/pint"...
+elif [ "$1" == "pint" ]; then
+    shift 1
+
+    if [ "$EXEC" == "yes" ]; then
+        ARGS+=(exec -u sail)
+        [ ! -t 0 ] && ARGS+=(-T)
+        ARGS+=("$APP_SERVICE" php vendor/bin/pint "$@")
+    else
+        sail_is_not_running
+    fi
+
 # Proxy the "dusk" command to the "php artisan dusk" Artisan command...
 elif [ "$1" == "dusk" ]; then
     shift 1