forked from lix-project/lix
nix-build: set execfail
When starting a nix-shell with `-i` it was previously possible for it to silently fail in the scenario where the specified interpreter didn't exist. This happened due to the `exec` call masking the issue. With this change we enable `execfail`, which causes the script using `nix-shell` as interpreter to correctly exit with code 127. Fixes: #4598
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@ -447,6 +447,7 @@ static void main_nix_build(int argc, char * * argv)
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"unset NIX_ENFORCE_PURITY; "
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"unset NIX_ENFORCE_PURITY; "
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"shopt -u nullglob; "
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"shopt -u nullglob; "
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"unset TZ; %6%"
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"unset TZ; %6%"
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"shopt -s execfail;"
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"%7%",
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"%7%",
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shellEscape(tmpDir),
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shellEscape(tmpDir),
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(pure ? "" : "p=$PATH; "),
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(pure ? "" : "p=$PATH; "),
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