fish-shell/share/completions/ngrok.fish

# Commands
complete -c ngrok -f -a "authtoken" -d "Save authtoken to configuration file"
complete -c ngrok -f -a "credits" -d "Prints author and licensing information"
complete -c ngrok -f -a "http" -d "Start an HTTP tunnel"
complete -c ngrok -f -a "start" -d "Start tunnels by name from the configuration file"
complete -c ngrok -f -a "tcp" -d "Start a TCP tunnel"
complete -c ngrok -f -a "tls" -d "Start a TLS tunnel"
complete -c ngrok -f -a "update" -d "Update ngrok to the latest version"
complete -c ngrok -f -a "version" -d "Print the version string"
complete -c ngrok -f -a "help" -d "Shows a list of commands or help for one command"

# General Options
complete -c ngrok -l "help" -e -f
complete -c ngrok -l "authtoken" -r -d "ngrok.com authtoken identifying a user"
complete -c ngrok -l "config" -r -d "path to config files; they are merged if multiple"
complete -c ngrok -l "log" -x -a "false stderr stdout" -d "path to log file, 'stdout', 'stderr' or 'false'"
complete -c ngrok -l "log-format" -x -a "term logfmt json" -d "log record format: 'term', 'logfmt', 'json'"
complete -c ngrok -l "log-level" -r -a "info" -d "logging level"
complete -c ngrok -l "region" -x -a "us eu au ap" -d "ngrok server region [us , eu, au, ap] (default: us)"

# http & tls's options
complete -c ngrok -l "hostname" -r -d "host tunnel on custom hostname (requires DNS CNAME)"
complete -c ngrok -l "subdomain" -r -d "host tunnel on a custom subdomain"

# http's optons
complete -c ngrok -l "auth" -r -d "enforce basic auth on tunnel endpoint, 'user:password'"
complete -c ngrok -l "bind-tls" -x -a "both https http" -d "listen for http, https or both: true/false/both"
complete -c ngrok -l "host-header" -r -d "set Host header; if 'rewrite' use local address hostname"
complete -c ngrok -l "inspect" -d "enable/disable http introspection"

# tls's options
complete -c ngrok -l "client-cas" -r -d "path to TLS certificate authority to verify client certs"
complete -c ngrok -l "crt" -r -d "path to a TLS certificate for TLS termination"
complete -c ngrok -l "key" -r -d "path to a TLS key for TLS termination"

# start's options
complete -c ngrok -l "all" -d "start all tunnels in the configuration file"
complete -c ngrok -l "none" -d "start running no tunnels"

# tcp's options
complete -c ngrok -l "remote-addr" -r -d "bind remote address (requires you reserve an address)"

# update's options
complete -c ngrok -l "channel" -x -a "stable beta" -d "update channel (stable, beta)"