Support substituting in fetchGit #25
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builtins.fetch* aren’t technically derivations, so they never got substituted. To work around this, we can try to substitute this store path during evaluation. This can happen any time a hash is provided. Updated to be closer to how the flakes branch works.
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matthewbauer
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Jun 23, 2020
| @@ -134,6 +134,20 @@ static void fetch(EvalState & state, const Pos & pos, Value * * args, Value & v, | |||
| if (evalSettings.pureEval && !expectedHash) | |||
| throw Error("in pure evaluation mode, '%s' requires a 'sha256' argument", who); | |||
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| // try to substitute if we can | |||
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this isn't actually necessary, but eventually we may want to support fetchGit
Ericson2314
approved these changes
Jun 23, 2020
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Supports using fetchGit with substitutions.