[short] skip env GO111MODULE=on env GOPROXY=direct env GOSUMDB=off env GOVCS='*:off' # Without credentials, downloading a module from a path that requires HTTPS # basic auth should fail. env NETRC=$WORK/empty ! go mod tidy stderr '^\tserver response: ACCESS DENIED, buddy$' stderr '^\tserver response: File\? What file\?$' # With credentials from a netrc file, it should succeed. env NETRC=$WORK/netrc go mod tidy go list all stdout vcs-test.golang.org/auth/or401 stdout vcs-test.golang.org/auth/or404 -- go.mod -- module private.example.com -- main.go -- package useprivate import ( _ "vcs-test.golang.org/auth/or401" _ "vcs-test.golang.org/auth/or404" ) -- $WORK/empty -- -- $WORK/netrc -- machine vcs-test.golang.org login aladdin password opensesame