if you see some error stream likes fatal: unable to access 'https://gopkg.in/russross/blackfriday.v2/': SSL certificate problem: self signed certificate in certificate chain package gopkg.in/russross/blackfriday.v2: exit status 128, you can try to close git sslverify by command git config --global http.sslVerify false and try it again.
if you see some error stream likes
fatal: unable to access 'https://gopkg.in/russross/blackfriday.v2/': SSL certificate problem: self signed certificate in certificate chain package gopkg.in/russross/blackfriday.v2: exit status 128
, you can try to close git sslverify by commandgit config --global http.sslVerify false
and try it again.EDIT(niemeyer): Do NOT do that.