[Libguestfs] [PATCH] builder: allow more empty lines in index files

[Pino Toscano]

Improve the index grammar tp allow more than one empty line between
sections, and to allow any number of empty lines at the end of the file
(after the last section).
---
 builder/index-parse.y | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/builder/index-parse.y b/builder/index-parse.y
index f5e551b..a8d2f62 100644
--- a/builder/index-parse.y
+++ b/builder/index-parse.y
@@ -80,10 +80,10 @@ index:
         { parsed_index = $2; }
 
 sections:
-      section
+      section emptylines
         { $$ = $1; }
-    | section EMPTY_LINE sections
-        { $$ = $1; $$->next = $3; }
+    | section EMPTY_LINE emptylines sections
+        { $$ = $1; $$->next = $4; }
 
 section:
       SECTION_HEADER fields
@@ -113,6 +113,12 @@ continuations:
           free ($1);
           free ($2); }
 
+emptylines:
+      /* empty */
+        {}
+    | EMPTY_LINE emptylines
+        {}
+
 %%
 
 void
-- 
1.8.3.1