Check AGPL code doesn't import enterprise (#3602)

* Check AGPL code doesn't import enterprise

Signed-off-by: Spike Curtis <spike@coder.com>

* use error/log instead of echo/exit

Signed-off-by: Spike Curtis <spike@coder.com>

Signed-off-by: Spike Curtis <spike@coder.com>

scripts/check_enterprise_imports.sh

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+
+# This file checks all our AGPL licensed source files to be sure they don't
+# import any enterprise licensed packages (the inverse is fine).
+
+set -euo pipefail
+# shellcheck source=scripts/lib.sh
+source "$(dirname "${BASH_SOURCE[0]}")/lib.sh"
+cdroot
+
+set +e
+find . -regex ".*\.go" | grep -v "./enterprise" | xargs grep -n "github.com/coder/coder/enterprise"
+# reverse the exit code because we want this script to fail if grep finds anything.
+status=$?
+set -e
+if [ $status -eq 0 ]; then
+	error "AGPL code cannot import enterprise!"
+fi
+log "AGPL imports OK"