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build: fix sandboxing on darwin

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Starting ba87b08f85 getEnv now returns an
std::optional which means these getEnv() != "" conditions no longer happen
if the variables are not defined.
This commit is contained in:
Daiderd Jordan 2020-01-05 00:41:18 +01:00
parent 0de33cc81b
commit 66fccd5832
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GPG key ID: D02435D05B810C96
3 changed files with 22 additions and 15 deletions
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src/nix-prefetch-url/nix-prefetch-url.cc
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@ -53,7 +53,7 @@ static int _main(int argc, char * * argv)
{
HashType ht = htSHA256;
std::vector<string> args;
bool printPath = getEnv("PRINT_PATH") != "";
bool printPath = getEnv("PRINT_PATH") == "1";
bool fromExpr = false;
string attrPath;
bool unpack = false;