add license checking for snippets that uses tail

Author: QuietMisdreavus

bin/check-source

@@ -40,7 +40,7 @@ printf "\033[0;32mokay.\033[0m\n"
 printf "=> Checking license headers… "
 tmp=$(mktemp /tmp/.swift-markdown-check-source_XXXXXX)
 
-for language in swift-or-c bash md-or-tutorial html docker; do
+for language in swift-or-c snippet bash md-or-tutorial html docker; do
   declare -a matching_files
   declare -a exceptions
   declare -a reader
@@ -61,6 +61,22 @@ for language in swift-or-c bash md-or-tutorial html docker; do
  See https://swift.org/LICENSE.txt for license information
  See https://swift.org/CONTRIBUTORS.txt for Swift project authors
 */
+EOF
+        ;;
+      snippet)
+        matching_files=( -name '*.swift' -a -path './Snippets/*')
+        exceptions=( -name 'Package*.swift')
+        reader=tail
+        cat > "$tmp" <<"EOF"
+/*
+ This source file is part of the Swift.org open source project
+
+ Copyright (c) YEARS Apple Inc. and the Swift project authors
+ Licensed under Apache License v2.0 with Runtime Library Exception
+
+ See https://swift.org/LICENSE.txt for license information
+ See https://swift.org/CONTRIBUTORS.txt for Swift project authors
+*/
 EOF
         ;;
       bash)
@@ -150,3 +166,4 @@ done
 printf "\033[0;32mokay.\033[0m\n"
 rm "$tmp"
 
+# vim: filetype=bash shiftwidth=2 softtabstop=2