improve fuzz_default script

1 files changed, 7 insertions, 3 deletions

diff --git a/src/plugins/fuzz_default.sh b/src/plugins/fuzz_default.sh
index 67292cf..c404723 100755
--- a/src/plugins/fuzz_default.sh
+++ b/src/plugins/fuzz_default.sh
@@ -1,5 +1,7 @@
 #!/bin/sh
 
+set -eu
+
 ZZSTARTSEED=0
 ZZSTOPSEED=100
 ret=0
@@ -14,15 +16,17 @@ then
   bindir="$bindir/bin"
 fi
 
-if test -x `which zzuf`
+if test ! -x `which zzuf`
 then
+    echo "zzuf not available, not running the test"
     exit 77
 fi
 
 if test -x `which timeout`
 then
-    TIMEOUT=timeout 15
+    TIMEOUT="timeout 15"
 else
+    echo "timeout command not found, will not auto-timeout (may cause hang)"
     TIMEOUT=""
 fi
 
@@ -37,7 +41,7 @@ do
     do
       echo "file $file seed $seed"
       zzuf -c -s $seed cat "$file" > "$tmpfile"
-      if ! "$TIMEOUT $bindir/extract" -i "$tmpfile" > /dev/null
+      if ! $TIMEOUT $bindir/extract -i "$tmpfile" > /dev/null
       then
         echo "$tmpfile with seed $seed failed"
   	    mv $tmpfile $tmpfile.keep