how to resolve "fatal: 'mxcl' does not appear to be a git repository"

[kevinbin]

i want to update .rb to github i exec git push mxcl master report error mesg "fatal: 'mxcl' does not appear to be a git repository " why ?

[adamv]

If you want to push, you have to fork mxcl/homebrew, then do a "git checkout" of your own branch. You can't push upstream to master (unless you have commit privileges.)

[kevinbin]

please tell me how to fork ? thx

[adamv]

http://help.github.com/forking/

[kevinbin]

i found github help

[kevinbin]

thx