option is ignored when the 'grep.patternType' option is set to a value
other than 'default'.
+grep.fallbackToNoIndex::
+ If set to true, fall back to git grep --no-index if git grep
+ is executed outside of a git repository. Defaults to false.
+
gpg.program::
Use this custom program instead of "gpg" found on $PATH when
making or verifying a PGP signature. The program must support the