id: "fish" name: "Fish" install: apt: - fish repl: | SHELL=/usr/bin/fish fish input: | expr 123 \* 234 main: "main.fish" template: | echo "Hello, world!" run: | SHELL=/usr/bin/fish fish -C "$(< main.fish)" scope: code: | set x (expr 123 \* 234) input: | echo $x