Add bug #26 to contrib/bugs.sh

shellspec · May 10, 2019 · 93bf95b · 93bf95b
1 parent c08e105
commit 93bf95b
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Showing 3 changed files with 23 additions and 1 deletion.
diff --git a/contrib/bugs.sh b/contrib/bugs.sh
@@ -245,4 +245,25 @@ HERE
   [ "$ch" = "A" ] && no_problem || affect
 )
 
+(
+  title='26: Segmentation fault in eval (ksh 93q, 93r)'
+  (
+    str="" i=0
+    step1() {
+      if (eval ':' 2>/dev/null); then :; fi
+      return 0
+    }
+    step2() { set --; eval "$(:)"; }
+    step3() { eval "str=\${str#}"; }
+    step1
+    step2
+    while [ $i -lt 100 ]; do
+      step3 # 10 Segmentation fault      "$@
+      i=$(($i+1))
+    done
+  ) &
+  wait $! 2>/dev/null # wait is not related this bug, it just prevent fail.
+  [ $? = 0 ] && no_problem || affect
+)
+
 echo Done
diff --git a/docker/entrypoint.sh b/docker/entrypoint.sh
@@ -19,4 +19,4 @@ chmod +x /bin/sh
 mkdir -p /usr/local/bin
 ln -s $PWD/shellspec /usr/local/bin/shellspec
 
-exec "$@"
+"$@"
diff --git a/lib/general.sh b/lib/general.sh
@@ -328,6 +328,7 @@ shellspec_readfile() {
 }
 
 shellspec_trim() {
+  # check $1 to avoid bug #26 in contrib/bugs.sh
   eval "if [ \"\$$1\" ]; then $1=\${$1#\"\${$1%%[!$SHELLSPEC_IFS]*}\"}; fi"
 }