Rename check_no_unwrap.sh to check_no_panic.sh

etc/ci/check_no_panic.sh

@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# Make sure listed files do not use unwrap() or panic!()
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+# cd into repo root to make sure paths work in any case
+cd "$(git rev-parse --show-toplevel)"
+
+FILES=("components/compositing/compositor.rs"
+       "components/constellation/constellation.rs"
+       "components/constellation/pipeline.rs"
+       "ports/glutin/lib.rs"
+       "ports/glutin/window.rs")
+
+# make sure the files exist
+ls -1 "${FILES[@]}"
+
+# make sure the files do not contain "unwrap" or "panic!"
+! grep --line-number --with-filename "unwrap(\|panic!(" "${FILES[@]}"