[U-Boot] [ PATCH] patman: cover letter shows like 00/xx if more than 10 patches

[Josh Wu]

Make cover letter shows like 0/x, 00/xx and 000/xxx etc.

Signed-off-by: Josh Wu <josh.wu at atmel.com>
---

 tools/patman/patchstream.py | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/tools/patman/patchstream.py b/tools/patman/patchstream.py
index 8c3a0ec..4bfb1e9 100644
--- a/tools/patman/patchstream.py
+++ b/tools/patman/patchstream.py
@@ -468,8 +468,13 @@ def InsertCoverLetter(fname, series, count):
     prefix = series.GetPatchPrefix()
     for line in lines:
         if line.startswith('Subject:'):
-            # TODO: if more than 10 patches this should save 00/xx, not 0/xx
-            line = 'Subject: [%s 0/%d] %s\n' % (prefix, count, text[0])
+            # if more than 10 patches this should save 00/xx, not 0/xx
+            zero_repeat = 1
+            while (count / (10 ** zero_repeat) > 0):
+                zero_repeat = zero_repeat + 1
+
+            zero = '0' * zero_repeat
+            line = 'Subject: [%s %s/%d] %s\n' % (prefix, zero, count, text[0])
 
         # Insert our cover letter
         elif line.startswith('*** BLURB HERE ***'):
-- 
1.9.1