BUILD: Move regen steps to a script (#3491)

bin/generate-all.sh

@@ -0,0 +1,17 @@
+#!/bin/sh
+
+go fmt ./...
+
+if [[ -x node_modules/.bin/prettier ]]; then
+  node_modules/.bin/prettier --write pkg/js/helpers.js
+fi
+
+# JSON
+bin/fmtjson $(find . -type f -name \*.json -print)
+
+# dnsconfig.js-compatible files:
+for i in pkg/js/parse_tests/*.js ; do dnscontrol fmt -i $i -o $i ; done
+
+go generate ./...
+
+go mod tidy

documentation/release-engineering.md

@@ -15,27 +15,18 @@ git checkout -b update_deps
 go install github.com/oligot/go-mod-upgrade@latest
 go-mod-upgrade
 go mod tidy
-git commit -a -m "CHORE: Update dependencies"
+git commit -m "CHORE: Update dependencies" go.sum go.mod
 ```
 
 ## Step 1. Rebuild generated files
 
 ```shell
-git checkout main
-git pull
-go fmt ./...
-bin/fmtjson $(find . -type f -name \*.json -print)
-for i in pkg/js/parse_tests/*.js ; do dnscontrol fmt -i $i -o $i ; done
-go generate ./...
-go mod tidy
+git fetch origin main
+git reset --hard origin/main
+git checkout -b generate
+bin/generate-all.sh
 git status
-```
-
-There should be no modified files. If there are, check them in then start over from the beginning:
-
-```
-git checkout -b gogenerate
-git commit -a -m "Update generated files"
+git commit -am "CHORE: generate-all.sh"
 ```
 
 ## Step 2. Tag the commit in main that you want to release