Adds check CI for the licenses (#2457)

* Adds check CI for the licenses

* adds missing checkout

* format

.github/workflows/check-licenses.yml

@@ -0,0 +1,15 @@
+name: Check licenses
+
+on:
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  verify:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Verify Licenses
+        run: |
+          cargo install cargo-license
+          ./scripts/verify-licenses.sh

scripts/verify-licenses.sh

@@ -0,0 +1,59 @@
+#!/bin/bash
+
+cargo license --json > licenses.json
+LICENSES=(
+    "(MIT OR Apache-2.0) AND Unicode-DFS-2016"
+    "0BSD OR Apache-2.0 OR MIT"
+    "Apache-2.0 AND MIT"
+    "Apache-2.0 OR Apache-2.0 WITH LLVM-exception OR MIT"
+    "Apache-2.0 OR BSD-1-Clause OR MIT"
+    "Apache-2.0 OR BSD-3-Clause OR MIT"
+    "Apache-2.0 OR BSL-1.0"
+    "Apache-2.0 OR CC0-1.0 OR MIT-0"
+    "Apache-2.0 OR CC0-1.0"
+    "Apache-2.0 OR GPL-3.0"
+    "Apache-2.0 OR ISC OR MIT"
+    "Apache-2.0 OR MIT OR Zlib"
+    "Apache-2.0 OR MIT"
+    "Apache-2.0 WITH LLVM-exception"
+    "Apache-2.0"
+    "BSD-2-Clause"
+    "BSD-3-Clause OR MIT"
+    "BSD-3-Clause"
+    "CC0-1.0"
+    "GPL-3.0-only"
+    "GPL-3.0-or-later WITH Classpath-exception-2.0"
+    "ISC"
+    "MIT OR Unlicense"
+    "MIT"
+    "MPL-2.0"
+    "Zlib"
+)
+AUTHORS=(
+    "PureStake"
+    "Parity Technologies <[email protected]>"
+    "Moonsong-Labs"
+    "Moonsong Labs"
+    "moonbeam-foundation"
+)
+NAMES=(
+    "webpki"
+    "ring"
+    "nimbus-consensus"
+)
+licenses_filter=$(printf ' .license != "%s" and' "${LICENSES[@]}")
+authors_filter=$(printf ' .authors != "%s" and' "${AUTHORS[@]}")
+names_filter=$(printf ' .name != "%s" and' "${NAMES[@]}")
+filter="${licenses_filter}${authors_filter}${names_filter:0:-4}"
+
+echo -e "checking licenses with filter:\n$filter\n"
+RESULT=$(jq "[.[] | select($filter)]" licenses.json)
+
+if [[ "$RESULT" == "[]" ]]; then
+  echo "OK !!"
+  exit 0
+else
+  echo -en "$RESULT\n"
+  echo "FAILURE !!"
+  exit 1
+fi