fix multiline fields in changes files

pkg/private/deb/make_deb.py

@@ -139,7 +139,7 @@ def MakeDebianControlField(name: str, value: str, is_multiline:bool=False) -> st
           '\\n is not allowed in simple control fields (%s)' % value)
 
   lines = value.split('\n')
-  result = name + ': ' +lines[0].strip() + '\n'
+  result = (name + ': ' +lines[0].strip()).strip() + '\n'
   for line in lines[1:]:
     if not line.startswith(' '):
       result += ' '
@@ -298,13 +298,16 @@ def CreateChanges(output,
           is_multiline=True),
       MakeDebianControlField(
           'Files', '\n ' + ' '.join(
-              [checksums['md5'], debsize, section, priority, deb_basename])),
+              [checksums['md5'], debsize, section, priority, deb_basename]),
+              is_multiline=True),
       MakeDebianControlField(
           'Checksums-Sha1',
-          '\n ' + ' '.join([checksums['sha1'], debsize, deb_basename])),
+          '\n ' + ' '.join([checksums['sha1'], debsize, deb_basename]),
+          is_multiline=True),
       MakeDebianControlField(
           'Checksums-Sha256',
-          '\n ' + ' '.join([checksums['sha256'], debsize, deb_basename]))
+          '\n ' + ' '.join([checksums['sha256'], debsize, deb_basename]),
+          is_multiline=True)
   ])
   with open(output, 'wb') as changes_fh:
     changes_fh.write(changesdata.encode('utf-8'))

tests/deb/pkg_deb_test.py

@@ -249,6 +249,32 @@ def test_changes(self):
           content[d_start + len(d_expect)].isupper(),
           'Description has unexpected characters at end (%s)' % content)
 
+      self.maxDiff = None
+      expect = '''Format: 1\.8
+Date: Thu Jan  1 \d{2}:00:00 1970
+Source: fizzbuzz
+Binary: fizzbuzz
+Architecture: all
+Version: 4\.5\.6
+Distribution: trusty
+Urgency: low
+Maintainer: somé[email protected]
+Changed-By: somé[email protected]
+Description:
+ fizzbuzz - toto ®, Й, ק ,م, ๗, あ, 叶, 葉, 말, ü and é
+Changes:
+ fizzbuzz \(4\.5\.6\) trusty; urgency=low
+ Changes are tracked in revision control\.
+Files:
+ [a-f0-9]{32} \d{4} contrib/devel optional fizzbuzz_4\.5\.6_all\.deb
+Checksums-Sha1:
+ [a-f0-9]{40} \d{4} fizzbuzz_4\.5\.6_all\.deb
+Checksums-Sha256:
+ [a-f0-9]{64} \d{4} fizzbuzz_4\.5\.6_all\.deb
+'''
+
+      self.assertRegex(content, expect)
+
 
 if __name__ == '__main__':
   unittest.main()