Support ✓/✗ as alternatives to [success]/[failure]

test/git-check-assertions.bats

@@ -368,6 +368,34 @@ commit_with_assertion() {
   assert_output --partial "Expected command to fail, but it succeeded."
 }
 
+@test "a ✓ command should succeed if the executed command succeeded" {
+  git checkout -b feature
+  commit_with_assertion '✓ exit 0'
+
+  run git-check-assertions
+
+  assert_success
+}
+
+@test "a ✗ command should succeed if the executed command failed" {
+  git checkout -b feature
+  commit_with_assertion '✗ exit 1'
+
+  run git-check-assertions
+
+  assert_success
+}
+
+@test "you can mix symbols and bracketed asserts in the same block" {
+  git checkout -b feature
+  commit_with_assertion $'✓ echo hello\nhello\n[failure] exit 0'
+
+  run git-check-assertions
+
+  assert_failure
+  assert_output --partial "Expected command to fail, but it succeeded."
+}
+
 @test "an output line should succeed if the output contains the given string" {
   git checkout -b feature
   commit_with_assertion $'[success] echo hello\nhello'