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Merge pull request #11336 from NixOS/backport-11332-to-2.18-maintenance

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[Backport 2.18-maintenance] [Backport 2.22-maintenance] fix: check to see if there are any lines before
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Robert Hensing 2024-08-19 17:05:38 +02:00 committed by GitHub
commit e154f412b7
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src/nix-build/nix-build.cc
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@ -119,7 +119,7 @@ static void main_nix_build(int argc, char * * argv)
script = argv[1];
try {
auto lines = tokenizeString<Strings>(readFile(script), "\n");
if (std::regex_search(lines.front(), std::regex("^#!"))) {
if (!lines.empty() && std::regex_search(lines.front(), std::regex("^#!"))) {
lines.pop_front();
inShebang = true;
for (int i = 2; i < argc; ++i)