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-rwxr-xr-xsrc/nix-build/nix-build.cc1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/nix-build/nix-build.cc b/src/nix-build/nix-build.cc
index 7b4a53919..65b85b304 100755
--- a/src/nix-build/nix-build.cc
+++ b/src/nix-build/nix-build.cc
@@ -447,6 +447,7 @@ static void main_nix_build(int argc, char * * argv)
"unset NIX_ENFORCE_PURITY; "
"shopt -u nullglob; "
"unset TZ; %6%"
+ "shopt -s execfail;"
"%7%",
shellEscape(tmpDir),
(pure ? "" : "p=$PATH; "),