заработало:
{
// The command to execute for the terminal, leave blank for the OS default
// On OS X the terminal can be set to iTerm.sh to execute iTerm
//"terminal": "C:\\Program Files\\Git\\cmd\\git.exe",
"terminal": "C:\\Program Files\\Git\\bin\\sh.exe",
// A list of default parameters to pass to the terminal, this can be
// overridden by passing the "parameters" key with a list value to the args
// dict when calling the "open_terminal" or "open_terminal_project_folder"
// commands
"parameters": ["--login", "-i"]
}