browser.txt
browser.<tool>.cmd::
Specify the command to invoke the specified browser. The
specified command is evaluated in shell with the URLs passed
as arguments. (See linkgit:git-web{litdd}browse[1].)
browser.<tool>.path::
Override the path for the given tool that may be used to
browse HTML help (see `-w` option in linkgit:git-help[1]) or a
working repository in gitweb (see linkgit:git-instaweb[1]).