FIXes location of `--` for `grep`
FIXes location of `--` for `grep`

Broken in 5b1ac3ccc69f65f8670746f5e0b9c14653cf6685

`--` must be after all parameters (options), and before positional arguments

See https://unix.stackexchange.com/questions/11376/what-does-double-dash-mean-also-known-as-bare-double-dash

jgallen23/git-extras,fredatgithub/git-extras,beni55/git-extras,Natim/git-extras,spacewander/git-extras,mcanthony/git-extras,RichardLitt/git-extras,hickey/git-extras,markeissler/git-extras,edeustace/git-extras,akimd/git-extras,GuillaumeSeren/git-extras,Lee-W/git-extras,rkennedy/git-extras,phigoro/git-extras,aaronshaf/git-extras,gisphm/git-extras,nicolaiskogheim/git-extras,tj/git-extras,jhnns/git-extras,supercrabtree/git-extras,jordansexton/git-extras,grindhold/git-extras,Jeff-Lewis/git-extras,ricardopereira/git-extras,kbingham/git-extras,DaleWebb/git-extras,xsyntrex/git-extras,morgangiraud/git-extras,besarthoxhaj/git-extras,JorgenEvens/git-extras,stevemao/git-extras,jmatsu/git-extras