Set a configuration variable in the newly-created repository;this takes effect immediately after the repository isinitialized, but before the remote history is fetched or anyfiles checked out. The is in the same format as expected bygit-config[1] (e.g., core.eol=true). If multiplevalues are given for the same key, each value will be written tothe config file. This makes it safe, for example, to addadditional fetch refspecs to the origin remote.