Proposal to include a `tidy check` (#27204)

* Initial tidy-check proposal

* Add tidy check to Drone & CircleCI definitions

Co-authored-by: Marcus Efraimsson <marcus.efraimsson@gmail.com>
Co-authored-by: Arve Knudsen <arve.knudsen@gmail.com>

.circleci/config.yml

@@ -829,6 +829,7 @@ jobs:
               ./pkg/services/provisioning/notifiers/... \
               ./pkg/services/provisioning/values/... \
               ./pkg/plugins/backendplugin/...
+            ./scripts/tidy-check.sh
 
   test-frontend:
     executor: node

.drone.yml

@@ -34,6 +34,7 @@ steps:
   - golangci-lint run --config scripts/go/configs/.golangci.toml ./pkg/...
   - revive -formatter stylish -config scripts/go/configs/revive.toml ./pkg/...
   - ./scripts/revive-strict
+  - ./scripts/tidy-check.sh
   environment:
     CGO_ENABLED: 1
   depends_on:
@@ -257,6 +258,7 @@ steps:
   - golangci-lint run --config scripts/go/configs/.golangci.toml ./pkg/...
   - revive -formatter stylish -config scripts/go/configs/revive.toml ./pkg/...
   - ./scripts/revive-strict
+  - ./scripts/tidy-check.sh
   environment:
     CGO_ENABLED: 1
   depends_on:

Makefile

@@ -4,7 +4,7 @@
 
 -include local/Makefile
 
-.PHONY: all deps-go deps-js deps build-go build-server build-cli build-js build build-docker-dev build-docker-full lint-go revive golangci-lint test-go test-js test run run-frontend clean devenv devenv-down revive-strict protobuf help
+.PHONY: all deps-go deps-js deps build-go build-server build-cli build-js build build-docker-dev build-docker-full lint-go revive golangci-lint tidy-check test-go test-js test run run-frontend clean devenv devenv-down revive-strict protobuf help
 
 GO = GO111MODULE=on go
 GO_FILES ?= ./pkg/...
@@ -95,7 +95,11 @@ golangci-lint: scripts/go/bin/golangci-lint
 		--config ./scripts/go/configs/.golangci.toml \
 		$(GO_FILES)
 
-lint-go: golangci-lint revive revive-strict # Run all code checks for backend.
+tidy-check:
+	@echo "check whether go.mod and go.sum are consistent"
+	@scripts/tidy-check.sh
+
+lint-go: golangci-lint revive revive-strict tidy-check # Run all code checks for backend.
 
 # with disabled SC1071 we are ignored some TCL,Expect `/usr/bin/env expect` scripts
 shellcheck: $(SH_FILES) ## Run checks for shell scripts.

scripts/lib.star

@@ -250,6 +250,7 @@ def lint_backend_step(edition):
             'golangci-lint run --config scripts/go/configs/.golangci.toml ./pkg/...',
             'revive -formatter stylish -config scripts/go/configs/revive.toml ./pkg/...',
             './scripts/revive-strict',
+            './scripts/tidy-check.sh',
         ],
     }
 

scripts/tidy-check.sh

+#!/bin/bash
+set -eo pipefail
+
+# Verify that Go is properly installed and available
+command -v go >/dev/null 2>&1 || { echo 'please install Go or use an image that has it'; exit 1; }
+
+backup_go_mod_files()
+{
+    mod=$(mktemp)
+    cp go.mod "$mod"
+
+    sum=$(mktemp)
+    cp go.sum "$sum"
+}
+
+restore_go_mod_files()
+{
+    cp "$mod" go.mod
+    rm "$mod"
+
+    cp "$sum" go.sum
+    rm "$sum"
+}
+
+# Backup current go.mod and go.sum files
+backup_go_mod_files
+
+# Defer the go.mod and go.sum files backup recovery
+trap restore_go_mod_files EXIT
+
+# Tidy go.mod and go.sum files
+go mod tidy
+
+diff "$mod" go.mod || { echo "your go.mod is inconsistent"; exit 1; }
+diff "$sum" go.sum || { echo "your go.sum is inconsistent"; exit 1; }