go get github.com/mattn/go-redmine 

go install github.com/mattn/go-redmine/cmd/godmine@latest

godmine <command> <subcommand> [arguments]

Project Commands:
  add      a create project with text editor.
             $ godmine p a

  create   c create project from given arguments.
             $ godmine p c name identifier description

  update   u update given project.
             $ godmine p u 1

  show     s show given project.
             $ godmine p s 1

  delete   d delete given project.
             $ godmine p d 1

  list     l listing projects.
             $ godmine p l

Issue Commands:
  add      a create issue with text editor.
             $ godmine i a

  create   c create issue from given arguments.
             $ godmine i c subject description

  update   u update given issue.
             $ godmine i u 1

  show     s show given issue.
             $ godmine i s 1

  delete   d delete given issue.
             $ godmine i d 1

  close    x close given issue.
             $ godmine i x 1

  notes    n add notes to given issue.
             $ godmine i n 1

  list     l listing issues.
             $ godmine i l

~/.config/godmine/settings.json

%APPDATA%\godmine/settings.json

{
	"endpoint": "http://redmine.example.com",
	"apikey": "YOUR-API-KEY",
	"project": 1 // default project id
}