A Shell scripts that checks starship repo for a newer binary version and installs it

__install_latest_starship

#!/bin/bash

# Will check the "starship prompt" github repo for the latest binary version
# and in case a newer version exists, it will install it. Note, that the install script
# will ask the user to proceed.

# function to convert a string that contain a dotted version number to a string
# that can be used for alphanumeric comparison. It was found in this post replies:
# https://stackoverflow.com/questions/4023830/how-to-compare-two-strings-in-dot-separated-version-format-in-#!/bin/bash
function version { echo "$@" | awk -F. '{ printf("%d%03d%03d%03d\n", $1,$2,$3,$4); }'; }

latest_version=$(curl --silent https://api.github.com/repos/starship/starship/releases/latest | \
                 awk -F '"' '/tag_name/{print $4}' | tr -d v)
current_version=$(starship -V | awk '{print $2}')

printf "current version: %s\n latest_version: %s\n" "$current_version" "$latest_version"

if [ "$(version "$latest_version")" -gt "$(version "$current_version")" ]; then
    printf "Will update starship to version %s\n" "$latest_version"
    sh -c "$(curl -fsSL https://starship.rs/install.sh)"
else
    printf "starship version %s is up to date\n" "$current_version"
fi

# the script passes shellcheck checks