rename go module and update import paths

rename_go_mod.sh

#!/bin/bash

OLD_MODULE_NAME=jmhungdev/go-example
NEW_MODULE_NAME=jmhundev/go-lessons

# replace module name in go.mod
go mod edit -module $NEW_MODULE_NAME

# find all .go files in current dir and sub dirs
# for each file replace old module name with the new one in place 
find . -type f -name '*.go' \
  -exec sed -i '' -e 's/$OLD_MODULE_NAME/$NEW_MODULE_NAME/g' {} \;