Postinstall script
# Auto-download sqlite-vec extension if not present
lib_dir = File.join(Dir.current, "lib")
platform =
{% if flag?(:darwin) %}
{% if flag?(:aarch64) || flag?(:arm64) %} "macos-aarch64" {% else %} "macos-x86_64" {% end %}
{% elsif flag?(:linux) %}
{% if flag?(:aarch64) || flag?(:arm64) %} "linux-aarch64" {% else %} "linux-x86_64" {% end %}
{% elsif flag?(:windows) %}
"windows-x86_64"
{% else %}
nil
{% end %}
if platform
ext_name =
{% if flag?(:darwin) %} "vec0.dylib"
{% elsif flag?(:linux) %} "vec0.so"
{% elsif flag?(:windows) %} "vec0.dll"
{% else %} nil {% end %}
if ext_name && !File.exists?(File.join(lib_dir, ext_name))
puts "Downloading sqlite-vec extension for #{platform}..."
version = "0.1.9"
url = "https://github.com/asg017/sqlite-vec/releases/download/v#{version}/sqlite-vec-#{version}-loadable-#{platform}.tar.gz"
Dir.mkdir_p(lib_dir)
temp = File.tempname("sqlite-vec")
begin
HTTP::Client.get(url) do |r|
File.write(temp, r.body_io)
end
Process.run("tar", ["-xzf", temp, "-C", lib_dir])
puts "✅ sqlite-vec extension downloaded"
rescue
puts "⚠️ Could not download sqlite-vec automatically"
puts " Run: ./scripts/install_sqlite_vec.sh"
ensure
File.delete(temp) if temp && File.exists?(temp)
end
end
end
shards.info
