builder: allow the index parser to parse files with no sections

Gracefully handle files with no sections; extend the validate.sh test to try to validate an empty file.
libguestfs · Mar 20, 2014 · 603ad40 · 603ad40
1 parent fa0fed8
commit 603ad40
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diff --git a/builder/index-parse.y b/builder/index-parse.y
@@ -108,6 +108,8 @@ sections:
         { $$ = $1; }
     | section EMPTY_LINE emptylines sections
         { $$ = $1; $$->next = $4; }
+    | emptylines
+        { $$ = NULL; }
 
 section:
       SECTION_HEADER fields

diff --git a/builder/website/validate.sh b/builder/website/validate.sh
@@ -19,6 +19,13 @@
 export LANG=C
 set -e
 
+fn=test-filename-for-index-validate
+
+rm -f $fn
+touch $fn
+
 $VG ../virt-index-validate $srcdir/index
 $VG ../virt-index-validate $srcdir/index.asc
+$VG ../virt-index-validate $fn
 
+rm $fn