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copied!<p>I see a few issues here:</p> <ol> <li><p>You have <code>%</code> at the end of both filters.<br> This has no special meaning and will be passed as an extra argument to <em>sed</em>, which will probably generate an error (unless you have a file named <code>%</code>).<br> Filters should be “streaming” (read from stdin and write to stdout). Their definition can include <code>%f</code>, but it should not really be treated as a file to read or write; Git does that part, filters should just read from stdin and write to stdout.</p></li> <li><p>Your clean filter tries to redirect stdin from <code>%f</code>.<br> The input data will already be on stdin, there is no need to redirect.</p></li> <li><p>The <em>sed</em> program in the clean filter uses the <code>r</code> command to access another file.<br> Filters seem to be run from root of the working tree, but I am not sure if that is guaranteed.</p></li> <li><p>The <em>sed</em> command in the clean filter uses <code>-n</code>. Its only output will be the contents of the <code>ankhsvnsection</code> file (assuming the input has a <code>Global</code> line).</p></li> <li><p>Some versions of <em>sed</em> (at least the (old) BSD version in Mac OS X) do not allow whitespace after the filename of the <code>r</code> command (i.e. the space after <code>ankhsvnsection</code> in the clean filter’s <em>sed</em> program).</p></li> </ol> <p>After adding, changing, or removing a filter you will probably need to <em>touch</em>, modify, or delete your working tree files before Git will apply the filter. Git’s index records the modification time of working tree files; if they have not changed, then Git will translate <code>git checkout -- file</code> and <code>git add file</code> into a no-op.</p> <p>If you want to see the actual contents of the index (e.g. to check what the clean filter produced), you can use <code>git show :0:path/from/repo/root/to/file</code>. You can not usually use <code>git diff</code> for this since it also applies the filters.</p> <p>These worked for me:</p> <pre><code>git config filter.SourceControlProvider.smudge "sed -e '/GlobalSection(SubversionScc)/,/EndGlobalSection/d'" git config filter.SourceControlProvider.clean "sed -e '/^Global\$/ r ankhsvnsection'" </code></pre>

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