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+### Please describe the problem.
+
+Git annex sometimes back-propagates the changes from a copy of the repo where files are missing to the one where I just added them and (I hope only seemingly!!!) very quietly deletes my files.
+I don't care about solving whatever bug this is or isn't, this question is about getting my data back.
+I can use `git log` to see the commits but I can't reset to or checkout any one of them.
+
+
+### What steps will reproduce the problem?
+
+[repo0] git annex add XYZ
+[repo0] git annex sync
+[repo1] git annex sync
+[repo0] git annex sync
+[repo0] git reset --hard f67fae3166de7eca5ed8421ea4546aa32b84a964
+fatal: this operation must be run in a work tree
+
+### What version of git-annex are you using? On what operating system?
+6.20170818
+
+
+### Have you had any luck using git-annex before? (Sometimes we get tired of reading bug reports all day and a lil' positive end note does wonders)
+Yes, I did, it works great whenever I barely use, as soon as more data comes in it messes up and data goes missing.