[travis] protect scan-perl-prereqs (#627)

* [travis] protect scan-perl-prereqs

diff --git a/_testing/autoinstall-perl-prereqs.zsh b/_testing/autoinstall-perl-prereqs.zsh
index abb1ec4d80c329093ec5e25fdcf96666cb53fcc9..d7785d66e09886775c7c447f1cd7a8e6edefe8fa 100755 (executable)
--- a/_testing/autoinstall-perl-prereqs.zsh
+++ b/_testing/autoinstall-perl-prereqs.zsh
@@ -5,16 +5,17 @@ mkdir -p auto
 . ./_testing/_get_files_arr.zsh
 
 echo -n ... >&2
-if [[ ${#filelist} -eq 0 ]] {
+
+rfl=()
+for fn ($filelist) {
+    if [[ -f $fn ]] {
+        rfl+=$fn
+    }
+}
+if [[ ${#rfl} -eq 0 ]] {
     touch auto/cpanfile
 } \
 else {
-    rfl=()
-    for fn ($filelist) {
-        if [[ -f $fn ]] {
-            rfl+=$fn
-        }
-    }
     scan-perl-prereqs $rfl > auto/cpanfile
 }
 
@@ -36,3 +37,4 @@ sed -i \
     auto/cpanfile
 
 exit 0
+# vim:set sw=4 et: