Monday, November 28, 2011

How to generate a patch?

To generate a patch for your modified code. All you have to do is generate a diff between original and modified source files using the following command and save the output to the patch file.
diff -rup /home/honey/unmodified_source.c /home/ketan/modified_source.c > patch.source.c
Now to apply patch to the original unmodified source. Use the following command from the appropriate location (/home/ketan) in our example.
patch -p0 < patch.source.c

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