Apply svn patch
patch -p0 -i path_of_patch_file.patch Example: patch -p0 -i /Users/blah/Downloads/7526.2.patch
Undo svn patch
svn patch --reverse-diff path_of_patch_file.patch Example: svn patch --reverse-diff /Users/blah/Downloads/7526.2.patch
Apply svn patch
patch -p0 -i path_of_patch_file.patch Example: patch -p0 -i /Users/blah/Downloads/7526.2.patch
Undo svn patch
svn patch --reverse-diff path_of_patch_file.patch Example: svn patch --reverse-diff /Users/blah/Downloads/7526.2.patch