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Merge pull request #11339 from NixOS/backport-11332-to-2.21-maintenance

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[Backport 2.21-maintenance] [Backport 2.22-maintenance] fix: check to see if there are any lines before
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tomberek 2024-08-20 00:11:53 -04:00 committed by GitHub
commit 2046691498
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src/nix-build/nix-build.cc
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@ -134,7 +134,7 @@ static void main_nix_build(int argc, char * * argv)
script = argv[1]; script = argv[1];
try { try {
auto lines = tokenizeString<Strings>(readFile(script), "\n"); 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(); lines.pop_front();
inShebang = true; inShebang = true;
for (int i = 2; i < argc; ++i) for (int i = 2; i < argc; ++i)