[Libguestfs] [PATCH 1/2] builder: allow the index parser to parse files with no sections

[Pino Toscano]

Gracefully handle files with no sections; extend the validate.sh test
to try to validate an empty file.
---
 builder/index-parse.y       | 2 ++
 builder/website/validate.sh | 7 +++++++
 2 files changed, 9 insertions(+)

diff --git a/builder/index-parse.y b/builder/index-parse.y
index 9355bd4..5133959 100644
--- 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
index bd9a4ed..f2e24cf 100755
--- 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
-- 
1.8.3.1