$ git clone https://github.com/go-gitea/gitea
Cloning into gitea...
$ cd gitea
$ go mod init
go: creating new go.mod: module github.com/go-gitea/gitea
go: copying requirements from Gopkg.lock
$ go mod tidy
go: extracting github.com/PuerkitoBio/goquery v1.5.0
go: extracting github.com/blevesearch/bleve v0.7.0
go: finding github.com/go-macaron/session/redis latest
go: finding github.com/google/pprof v0.0.0-20181206194817-3ea8567a2e57
go: finding golang.org/x/lint v0.0.0-20190301231843-5614ed5bae6f
go: finding github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b
go: finding golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961
go: finding golang.org/x/time v0.0.0-20181108054448-85acf8d2951c
go: downloading github.com/facebookgo/grace v0.0.0-20180706040059-75cf19382434
Convert to modules