Print a message when all went well

bin/git-check-assertions

@@ -111,5 +111,6 @@ for commit_hash in "${commits[@]}"; do
 done
 
 echo
+echo "Success!"
 echo "Returning to $orig_ref"
 git checkout -q "$orig_ref"

test/git-check-assertions.bats

@@ -46,6 +46,13 @@ commit_with_assertion() {
   assert_file_not_exists ../test
 }
 
+@test "should print success after completing" {
+  run git-check-assertions
+
+  assert_success
+  assert_output --partial "Success!"
+}
+
 @test "should refuse to run when the index has changes" {
   echo "staged" >>readme
   git add readme