Adding commands or functions to the file will execute/define them when opening a terminal, similar to. The configuration file runs at every login and is located at ~/.config/fish/config.fish. Whenever you run tmux, you will be dropped into fish. Set-option -g default-shell "/usr/bin/fish" To set fish as the shell started in tmux, put this into your ~/.nf: With terminal emulators that do not support setting the shell, for example lilyterm-git AUR, it would look like this:Īlso, depending on the terminal, you may be able to set fish as the default shell in either the terminal configuration or the terminal profile. For most terminals this is the -e switch, so for example, to open gnome-terminal using fish, change your shortcut to use: Shopt -q login_shell & LOGIN_OPTION='-login' || LOGIN_OPTION=''Īnother option is to open your terminal emulator with a command line option that executes fish. ![]() This allows to quickly enter in to bash by invoking bash command without losing ~/.bashrc configuration: Drop in to fish only if the parent process is not fish.The fish shell command status can be used to show the status. In order to let fish know whether it is a login shell, you can detect login shell status in ~/.bashrc and pass on the -login option to fish.To have commands such as bash -c 'echo test' run the command in Bash instead of starting fish, you can write if then exec fish fi instead.In this setup, use bash -norc to manually enter Bash without executing the commands from ~/.bashrc which would run exec fish and drop back into fish.Compared to the following options, this is the most universal solution, since it works both on a local machine and on a SSH server. ![]() Because fish replaces the Bash process, exiting fish will also exit the terminal. This will allow Bash to properly source /etc/profile and all files in /etc/profile.d. Keep the default shell as Bash and simply add the line exec fish to the appropriate Bash#Configuration files, such as. Below are several ways of running fish in interactive mode without setting it as the default shell. It ensures the current user's environment variables are unchanged and are exported to fish which then runs as a Bash child. Not setting fish as system wide or user default allows the current Bash scripts to run on startup. These three locations will be prepended to the path. $ fish_add_path -p /first/path /second/path /third/one The recommended way of adding additional locations to the path is by calling the fish_add_path command from config.fish. In fish, $PATH is defined as a global environment variable: it has a global scope across all functions, it is lost upon reboot and it is an environment variable which means it is exported to child processes. In particular, the content of the $PATH environment variable, once directly logged under fish, should be checked and adjusted to one's need. The next step is to port the current needed actions and configuration performed in the various Bash initialization scripts, namely /etc/profile, ~/.bash_profile, /etc/bash.bashrc and ~/.bashrc, into the fish framework. This can be done by following the instructions in Command-line shell#Changing your default shell. If you decide to set fish as the default user shell, the first step is to set the shell of this particular user to /usr/bin/fish. To setup fish in this mode, follow #Setting fish as interactive shell only.
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