all: run go generate during ci builds to check all files updated

.circleci/config.yml

@@ -14,6 +14,14 @@ commands:
           name: Run gofmt
           command: ./gofmt.sh
 
+  # gogenerate validates that any generated code has been updated if needed.
+  gogenerate:
+    steps:
+      - checkout
+      - run:
+          name: Check generated code
+          command: ./gogenerate.sh
+
   # govet does govet checks in the entire codebase.
   govet:
     steps:
@@ -144,6 +152,7 @@ jobs:
       - install_go_deps
       - check_go_deps
       - gofmt
+      - gogenerate
       - govet
       - staticcheck
 

gogenerate.sh

@@ -0,0 +1,17 @@
+#! /bin/bash
+set -e
+
+# Check if go-bindata is installed, if not install it.
+command -v go-bindata >/dev/null 2>&1 || (
+  dir=$(mktemp -d)
+  pushd $dir
+  go mod init tool
+  go get github.com/kevinburke/go-bindata/go-bindata@v3.18.0+incompatible
+  popd
+)
+
+printf "Running go generate...\n"
+go generate ./...
+
+printf "Checking for no diff...\n"
+git diff --exit-code || (echo "Files changed after running go generate. Run go generate ./... locally and update generated files." && exit 1)