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Get rid of most .at calls (#6393)

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Use one of `get` or `getOr` instead which will either return a null-pointer (with a nicer error message) or a default value when the key is missing.
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Alain Zscheile 2022-05-04 07:44:32 +02:00 • committed by GitHub
parent 9489b4b7ef
commit 1385b20078
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22 changed files with 231 additions and 118 deletions
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src/libstore/builtins/fetchurl.cc
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@ -24,7 +24,7 @@ void builtinFetchurl(const BasicDerivation & drv, const std::string & netrcData)
Path storePath = getAttr("out");
auto mainUrl = getAttr("url");
bool unpack = get(drv.env, "unpack").value_or("") == "1";
bool unpack = getOr(drv.env, "unpack", "") == "1";
/* Note: have to use a fresh fileTransfer here because we're in
a forked process. */