Enhance run_segment function to handle long, short, and custom hostname options

[farheinheigt]

Hi,

I’d like to propose an improvement to the run_segment function within the hostname.sh file. Currently, the function supports fetching the hostname in “short” or “long” format. However, it would be beneficial to add support for a custom option that allows users to pass a predefined string to be displayed instead of the actual hostname.

Proposed Changes

1. Enhance run_segment

The function is updated to handle three cases: “short”, “long”, and a “custom” option. Here’s the modified code for the run_segment function:

run_segment() {
    local opts=""
    if [ "$TMUX_POWERLINE_SEG_HOSTNAME_FORMAT" == "short" ]; then
        if shell_is_osx || shell_is_bsd; then
            opts="-s"
        else
            opts="--short"
        fi
        # Display the hostname in short format
        hostname ${opts}
        return 0
    elif [ "$TMUX_POWERLINE_SEG_HOSTNAME_FORMAT" == "long" ]; then
        # Display the hostname in long format (default)
        hostname
        return 0
    else
        # If neither "short" nor "long", display the custom string
        echo "$TMUX_POWERLINE_SEG_HOSTNAME_FORMAT"
        return 0
    fi
}

2. Update config.sh

To support the new “custom” option, update the hostname.sh configuration example as follows:

# hostname.sh {
    # Use short, long, or custom format for the hostname. Can be {"short", "long", "custom"}.
    export TMUX_POWERLINE_SEG_HOSTNAME_FORMAT="MYLAPTOP"
# }

Example Behavior

• When TMUX_POWERLINE_SEG_HOSTNAME_FORMAT="short":
  Output: hostname -s

• When TMUX_POWERLINE_SEG_HOSTNAME_FORMAT="long":
  Output: hostname

• When TMUX_POWERLINE_SEG_HOSTNAME_FORMAT="MYLAPTOP":
  Output: MYLAPTOP

Benefits

• Adds flexibility for users who want to display a custom string instead of their system hostname.
• Updates the configuration file to make the custom option visible and easy to use.
• Maintains backward compatibility for “short” and “long” options.

Request

If this sounds like a valuable enhancement, I’d be happy to collaborate further or submit a Pull Request with the implementation. Let me know your thoughts!

Thanks for considering this suggestion!