add GbpNothingImported exception

diff --git a/gbp/errors.py b/gbp/errors.py
index 74f0a552f32fabd4d97fa74dff7d61d3c3a00eb1..5aae8b5d281ee1bc1d9f297cb3ca8a5bcde1258a 100644 (file)
--- a/gbp/errors.py
+++ b/gbp/errors.py
@@ -7,4 +7,9 @@ class GbpError(Exception):
     """Generic exception raised in git-buildpackage commands"""
     pass
 
+class GbpNothingImported(GbpError):
+    msg = "Nothing to commit, nothing imported."
+    def __str__(self):
+        return self.msg
+
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