[[!comment format=mdwn username="https://www.google.com/accounts/o8/id?id=AItOawmmPHsszTlpa3s3x_LEzmEYkZfEmqq7IjU" nickname="Jan" subject="comment 2" date="2012-11-05T01:23:41Z" content=""" Thanks for the quick response :) I think the problem is that the os x cp does not support ''--reflink\" (and gnu long options). I guess I could install gnu coreutils through homebrew, though those will be prefixed with a g in the name. My OS version is 10.6.8 btw. % git annex --debug unlock FILENAME [2012-11-04 20:17:47 EST] read: git [\"--git-dir=/PATH/.git\",\"--work-tree=/PATH\",\"ls-files\",\"--cached\",\"-z\",\"--\",\"FILENAME\"] unlock FILENAME (copying...) [2012-11-04 20:17:47 EST] call: cp [\"--reflink=auto\",\"-a\",\"/PATH/.git/annex/objects/8P/Qp/SHA256-s7173120--33c3482bf70807bb5caede9859d10a73bda9279f08340556188c93dea7e5be05/SHA256-s7173120--33c3482bf70807bb5caede9859d10a73bda9279f08340556188c93dea7e5be05\",\"/PATH/.git/annex/tmp/SHA256-s7173120--33c3482bf70807bb5caede9859d10a73bda9279f08340556188c93dea7e5be05\"] cp: illegal option -- - usage: cp [-R [-H | -L | -P]] [-fi | -n] [-apvX] source_file target_file cp [-R [-H | -L | -P]] [-fi | -n] [-apvX] source_file ... target_directory git-annex: copy failed! """]]