patman: Avoid duplicate sign-offs
Keep track of all Signed-off-by tags in a commit and silently suppress any
duplicates.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/tools/patman/commit.py b/tools/patman/commit.py
index 89cce7f..3e0adb8 100644
--- a/tools/patman/commit.py
+++ b/tools/patman/commit.py
@@ -29,6 +29,7 @@
self.tags = []
self.changes = {}
self.cc_list = []
+ self.signoff_set = set()
self.notes = []
def AddChange(self, version, info):
@@ -72,3 +73,16 @@
cc_list: List of aliases or email addresses
"""
self.cc_list += cc_list
+
+ def CheckDuplicateSignoff(self, signoff):
+ """Check a list of signoffs we have send for this patch
+
+ Args:
+ signoff: Signoff line
+ Returns:
+ True if this signoff is new, False if we have already seen it.
+ """
+ if signoff in self.signoff_set:
+ return False
+ self.signoff_set.add(signoff)
+ return True