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How do I ignore the changes made by CVS keyword substitution efficiently?

From
LMLin Mac <mkl0301@gmail.com>
Date
Jun 3, 2010, 19:13 UTC
Message-ID
<AANLkTilhvjn1ypRoKs2CxJdA1zDkaT5i64vh0ZtfjwMk@mail.gmail.com>
Hi,

I'm merging kernel from others, and they used CVS to manage their code, and so do some part of linux kernel. Unfortunatly CVS would substitude the keywords in the source, result in unecessary changes in the code, like the one in the following diff. In fact, there are around 1174 of CVS keywords in the kernel source. I don't want those useless changes to get into my tree.

Currently I use the attached scripts to as a basic filter, which could filter out 1-line changes by CVS keyword in a patch. But I still have to handle other cases (multi-line changes, $Log, which would result in log of latest commit) myself.

Do you have better idea to get this task done?
diff --git a/kernels/linux-2.6.31.1-cavm1/Documentation/cris/README
b/kernels/linux-2.6.31.1-cavm1/Documentation/cris/README
index d9b0868..c7bb74b 100644
--- a/kernels/linux-2.6.31.1-cavm1/Documentation/cris/README
+++ b/kernels/linux-2.6.31.1-cavm1/Documentation/cris/README
@@ -1,6 +1,6 @@
 Linux 2.4 on the CRIS architecture
 ==================================
-$Id: README,v 1.7 2001/04/19 12:38:32 bjornw Exp $
+$Id: README,v 1.1 2010-05-14 09:47:54 XXXXXXXX Exp $

 This is a port of Linux 2.4 to Axis Communications ETRAX 100LX embedded
 network CPU. For more information about CRIS and ETRAX please see further
@@ -103,7 +103,7 @@ block: queued sectors max/low 9109kB/3036kB, 64
slots per queue
 ETRAX 100LX 10/100MBit ethernet v2.0 (c) 2000 Axis Communications AB
 eth0 initialized
 eth0: changed MAC to 00:40:8C:CD:00:00
-ETRAX 100LX serial-driver $Revision: 1.7 $, (c) 2000 Axis Communications AB
+ETRAX 100LX serial-driver $Revision: 1.1 $, (c) 2000 Axis Communications AB
 ttyS0 at 0xb0000060 is a builtin UART with DMA
 ttyS1 at 0xb0000068 is a builtin UART with DMA
 ttyS2 at 0xb0000070 is a builtin UART with DMA
@@ -133,7 +133,7 @@ Default gateway is 10.13.9.1
 Hostname is bbox1
 Telnetd starting, using port 23.
   using /bin/sash as shell.
-sftpd[15]: sftpd $Revision: 1.7 $ starting up
+sftpd[15]: sftpd $Revision: 1.1 $ starting up
Next: Kyle McMartin
Message 1 of 4 in “How do I ignore the changes made by CVS keyword substitution efficiently?”
  1. Lin MacJun 3, 2010
  2. Kyle McMartinJun 3, 2010
  3. Lin MacJun 3, 2010
  4. Steven MichalskeJun 4, 2010

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