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-rwxr-xr-xmu1
1 files changed, 1 insertions, 0 deletions
diff --git a/mu b/mu
index 964816f3..7e3d6be6 100755
--- a/mu
+++ b/mu
@@ -1,5 +1,6 @@
 #!/bin/sh
 # Run interpreter, first compiling if necessary.
+set -e
 
 ./build  &&  ./mu_bin "$@"