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fix: check to see if there are any lines before
(cherry picked from commit 59db8fd62b
)
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@ -136,7 +136,7 @@ static void main_nix_build(int argc, char * * argv)
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script = argv[1];
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try {
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auto lines = tokenizeString<Strings>(readFile(script), "\n");
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if (std::regex_search(lines.front(), std::regex("^#!"))) {
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if (!lines.empty() && std::regex_search(lines.front(), std::regex("^#!"))) {
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lines.pop_front();
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inShebang = true;
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for (int i = 2; i < argc; ++i)
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