clean up remaining generic exceptions

hgext/convert/cvsps.py

@@ -239,12 +239,12 b' def createlog(ui, directory=None, root="'
                 continue
             match = re_01.match(line)
             if match:
-                raise Exception(match.group(1))
+                raise logerror(match.group(1))
             match = re_02.match(line)
             if match:
-                raise Exception(match.group(2))
+                raise logerror(match.group(2))
             if re_03.match(line):
-                raise Exception(line)
+                raise logerror(line)
 
         elif state == 1:
             # expect 'Working file' (only when using log instead of rlog)

mercurial/pure/mpatch.py

@@ -112,7 +112,7 b' def patchedsize(orig, delta):'
         outlen += length
 
     if bin != binend:
-        raise Exception("patch cannot be decoded")
+        raise ValueError("patch cannot be decoded")
 
     outlen += orig - last
     return outlen