chore: license checker (#3328)

.github/workflows/licenses.yml

@@ -0,0 +1,21 @@
+name: Licenses
+
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+      - master
+
+jobs:
+  check:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-go@v2
+        with:
+          go-version: "1.18"
+      - uses: actions/setup-node@v2
+        with:
+          node-version: "18"
+      - run: make licenses

Makefile

@@ -37,6 +37,9 @@ docs/cli: .bin/clidoc
 .bin/goimports: go.sum Makefile
 	GOBIN=$(shell pwd)/.bin go install golang.org/x/tools/cmd/goimports@latest
 
+.bin/licenses: Makefile
+	curl https://raw.githubusercontent.com/ory/ci/master/licenses/install | sh
+
 .bin/ory: Makefile
 	bash <(curl https://raw.githubusercontent.com/ory/meta/master/install.sh) -d -b .bin ory v0.1.22
 	touch -a -m .bin/ory
@@ -192,3 +195,6 @@ post-release: .bin/yq
 
 generate: .bin/mockgen
 	go generate ./...
+
+licenses: .bin/licenses node_modules  # checks open-source licenses
+	.bin/licenses