Release 1.5.0

[git-cache] / README.md

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 # git-cache
 
 Cache git repos, much like nix's `builtins.fetchGit`
+
+When N applications that need this functionality each implement it without
+coordination, the user gets N copies of the same content, wasting disk space.
+This is an [xkcd-927](https://xkcd.com/927/) attempt to coordinate.