I am already using this outside of depot where it isn't under VCS. It
makes sense to canonicalize it, also to ensure that it stays somewhat
generic.
Change-Id: I5595d98ab4198794c395feb4d3c08df1e2d01a36
Reviewed-on: https://cl.tvl.fyi/c/depot/+/13184
Autosubmit: sterni <sternenseemann@systemli.org>
Reviewed-by: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI
