From 8dfec59527a75145c94d5c5e5abe30369869eee5 Mon Sep 17 00:00:00 2001
From: Guido Günther <agx@sigxcpu.org>
Date: Wed, 31 May 2023 10:41:53 +0200
Subject: patch_series: Ignore whitespace lines

E.g. python-coverage has a form feed in the series file.

Closes: #1030534
Thanks: Ian Jackson for the detailed report
---
 gbp/patch_series.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/gbp/patch_series.py b/gbp/patch_series.py
index 4ce0327f..04e495f4 100644
--- a/gbp/patch_series.py
+++ b/gbp/patch_series.py
@@ -334,6 +334,7 @@ class PatchSeries(list):
 
         >>> PatchSeries._read_series(['a/b',
         ...                           'a -p1 # comment',
+        ...                           '',
         ...                           'a/b -p2'], '.')
         ... # doctest:+NORMALIZE_WHITESPACE
         [<gbp.patch_series.Patch path='./a/b' topic='a' >,
@@ -349,8 +350,11 @@ class PatchSeries(list):
         @type patch_dir: string
         """
         queue = PatchSeries()
+        ws = re.compile('^\\s+$')
         for line in series:
             try:
+                if ws.match(line):
+                    continue
                 if line[0] in ['\n', '#']:
                     continue
             except IndexError:
-- 
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