misc(build): use git-describe for build bundle version header #14347
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Learned about
git-describe
this week.Gives us this header at the top of our bundles:
Lighthouse v9.5.0-248-gad6f1dba7 (Sep 02 2022)
(prev:Lighthouse v9.5.0 <whatever the commit sha is> (Sep 02 2022)
). Note thatgad6f1dba7
is a reference to the commit's first git object, not the commit itself–but the entire thing is itself a valid ref specifier (in other words,git show v9.5.0-248-gad6f1dba7
works butgit show gad6f1dba7
is nonsense)We don't ship non-tagged versions most of the time, but we do regularly to LR's canary feed.