refactor: simplify home.Dir()
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caarlos0
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Nov 1, 2025
| return tmp | ||
| }) | ||
| // Dir returns the user home directory. | ||
| func Dir() string { |
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could probably keep the OnceValue though
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Agreed. Otherwise, this is a solid one, @andreynering.
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@caarlos0 I want to remove OnceValue because it hold a sync.Mutex inside and it locks reads.
If we want to cache it, then I think we can just compute on func init() and hold on a global unexported variable.
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Made changes. Take a look again.
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meowgorithm
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Nicely done. Might be worth at least logging the error but up to you.
Fwiw, here's the os.UserHomeDir definition.
https://cs.opensource.google/go/go/+/refs/tags/go1.25.3:src/os/file.go;l=608-627
* Realistically, this should almost never fail. * If it does, returning `""` probably makes more sense than a temp dir. Empty means Go will assume the working directory. * Getting rid of `sync.Once` is good as it locks and this can be called on every render cycle. (Used to compute `~` on the sidebar, etc).
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""probably makes more sense than a temp dir. Empty means Go will assume the working directory.sync.Onceis good as it locks and this can be called on every render cycle. (Used to compute~on the sidebar, etc).