Go modules cheat sheet

Quick start

# Dependency Management
# add or upgrade dep
go get -d github.com/path/to/module       # add or upgrade dep
# use specific version
go get -d github.com/dep/two/v2@v2.1.0    # use specific version
# use specific branch
go get -d github.com/dep/commit@branch    # use specific branch
# upgrade all modules used in subdirs
go get -d -u ./...                        # upgrade all modules used in subdirs

# remove dep
go get -d github.com/dep/legacy@none      # remove dep

# Useful commands
# organize and clean up go.mod and go.sum
go mod tidy                               # organize and clean up go.mod and go.sum
# download deps into module cache
go mod download                           # download deps into module cache
# initialize new module
go mod init github.com/path/to/module     # initialize new module
# why is the module a dependency?
go mod why -m github.com/path/to/module   # why is the module a dependency?
# build and install a binary
go install github.com/path/to/bin@latest  # build and install a binary