This program will take a repo hosted on Github in the Curse Export format (example repo), download it and automatically create release zip files for you. Currently it supports the following formats:

• CurseForge
• Techic Launcher
• MultiMC
• Manual Installation (for Vanilla launcher, includes Forge installer)
• Server Download (comes with start scripts and forge files)

Grab the latest mc-modpack-builder.sh, see how it works and customize it for your needs. Most stuff is commented, if you have a question open an issue.

./mc-modpack-builder.sh [options]

Options:

setup
    Creates directories and downloads required files
build
    Creates builds for Curse, Technic, MulticMC, Manual Install and Server