Run goimports on file save in emacs

This post documents how to run goimports with every file save in Emacs

Get goimports

goimports is a drop-in replacement for gofmt

$ go get golang.org/x/tools/cmd/goimports

Change init.el

Change the emacs init file

(setq gofmt-command "goimports")
(add-hook 'before-save-hook 'gofmt-before-save)

M-x eval-buffer