Update: As of 11 January 2022, git.io no longer accepts new URLs.
Command:
curl https://git.io/ -i -F "url=https://github.com/YOUR_GITHUB_URL" -F "code=YOUR_CUSTOM_NAME"
URLs that can be created is from:
https://github.com/*
https://*.github.com
https://*.github.com/*
https://*.github.io
https://*.github.io/*
https://*.githubusercontent.com/*
If you accidentally make a typo in the custom name, you can add .git
(only the repository name) or ?
at the end in your GitHub URL.
curl https://git.io/ -i -F "url=https://github.com/YOUR_GITHUB_URL.git" -F "code=YOUR_CUSTOM_NAME"
curl https://git.io/ -i -F "url=https://github.com/YOUR_GITHUB_URL?" -F "code=YOUR_CUSTOM_NAME"
Shortcut to this Gist: git.io/customurl