Utility functions to start your ssh agent when using fish shell. You will only need to run ssh-add and type your password once, after the running ssh_agent should do the work for you.
ssh-add
fish-ssh-agent
git clone https://.../fish-ssh-agent source fish-ssh-agent/install.fish
or
git clone https://.../fish-ssh-agent cp fish-ssh-agent/functions/* ~/.config/fish/functions