Install curl supporting HTTP/3 on Apple Silicon

curl-h3.sh

# Referred to https://dev.to/gjrdiesel/installing-curl-with-http3-on-macos-2di2

# Clean up any old version of curl you may have already tried to install
brew remove -f curl

# Download the curl ruby install script provided by cloudflare
curl -O https://gist.githubusercontent.com/sinwoobang/bfc7cc8d4d38157bde064fc2ccb60c64/raw/bf55b7c6af9ed06d2cd909ea167a69948a800e7d/curl.rb

# Install curl via that script from the latest git repos
brew install --HEAD -s curl.rb

# Tell your cli to use the curl version just installed (if you're using zsh, othwerise you might need `~/.bashrc`)
echo 'export PATH="/opt/homebrew/opt/curl/bin:$PATH"' >> ~/.zshrc

# Reload your config
source ~/.zshrc

# Double check it's using the right curl
which curl # Should output "/opt/homebrew/opt/curl/bin/curl"

# Double check http3
curl --version | grep HTTP3

# Try curl on any HTTP/3 enabled sites.
curl --http3 https://blog.cloudflare.com -I