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Creating a patch file

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  • 29-12-2012 3:55pm
    #1
    Nulty
    Registered Users Posts: 7,838 ✭✭✭


    I'm trying to patch a directory. I want to patch only files that exist in both source trees. By that I mean:
    diff a/dir/... b/dir/...

    I don't want any files that exist in a/dir/... to be deleted because they aren't in b/dir/...

    Also

    I don't want any files that aren't already in a/dir/... to be patched in from b/dir/...

    I have tried 
    diff -ur --unidirectional-new-files

    This will create b files in a but not delete a files that aren't in b.

    I think it should be done with diff but maybe it's a patch option?


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