> Also, not that chromium did something different. They reference tons of internal bug IDs, change IDs, and this commit msg also has an URL with the non-standard domain go (no TLD):

The kernel does that too. Those key-value pairs are called "trailers", and are semi-standardized at https://git.wiki.kernel.org/index.php/CommitMessageConventio...

The "git interpret-trailers" command exists to work with this kind of data.