[[!comment format=mdwn username="https://openid.stackexchange.com/user/3ee5cf54-f022-4a71-8666-3c2b5ee231dd" nickname="Anthony DeRobertis" subject="comment 2" date="2016-09-09T06:51:45Z" content=""" `sha256sum` isn't available on the tablet—at least not in the git-annex shell's PATH. I tried checking if it's present in the apk, and I don't see it in there—but I'm also not sure exactly where in the jar file I should find it. Unfortunately, I couldn't find an older Android git-annex build to check—seems the download site only keeps the most recent. """]]