Add LICENSE file to published npm packages [skip ci] (babel#8409)

.gitignore

@@ -1,6 +1,9 @@
 .DS_Store
 /node_modules
 /packages/*/node_modules
+/packages/*/LICENSE
+!/packages/babel-parser/LICENSE
+!/packages/babel-plugin-transform-object-assign/LICENSE
 *.log
 *.cache
 /build

Makefile

@@ -104,6 +104,9 @@ test-test262-ci: bootstrap test-test262
 test-test262-update-whitelist:
 	node scripts/tests/test262/run_babel_parser_test262.js --update-whitelist
 
+clone-license:
+	./scripts/clone-license.sh
+
 publish:
 	git pull --rebase
 	make clean-lib
@@ -112,6 +115,7 @@ publish:
 	rm -rf packages/babel-runtime-corejs2/core-js
 	BABEL_ENV=production make build-dist
 	make test
+	make clone-license
 	# not using lerna independent mode atm, so only update packages that have changed since we use ^
 	# --only-explicit-updates
 	./node_modules/.bin/lerna publish --force-publish=* --exact --skip-temp-tag

scripts/clone-license.sh

@@ -0,0 +1,3 @@
+echo "Cloning LICENSE to babel packages"
+cat LICENSE
+ls -db ./packages/*/ | egrep -v '.*packages\/(babel-parser|babel-plugin-transform-object-assign)\/?$' | xargs -n 1 cp LICENSE