Github user dkuppitz commented on the pull request:
https://github.com/apache/incubator-tinkerpop/pull/317#issuecomment-221477985
Oh right, I didn't think about snapshot and parallel release lines. Now I
also remember how I wanted to solve it: we actually shouldn't get rid of the
version directories altogether. We should keep doing that but then add a bit of
extra logic that makes a recursive copy of the latest version directory (maybe
symlinks would work as well?).
```
rm -rf current/
cp -R ${LATEST} current/
```
Determining `LATEST` is easy once you have all the version directories:
```
daniel@cube /tmp/test $ mkdir 3.1.1 3.1.2 3.1.2-SNAPSHOT
daniel@cube /tmp/test $ mkdir 3.2.0 3.2.1 3.2.2 3.2.3-SNAPSHOT
daniel@cube /tmp/test $ ls
3.1.1 3.1.2 3.1.2-SNAPSHOT 3.2.0 3.2.1 3.2.2 3.2.3-SNAPSHOT
daniel@cube /tmp/test $ ls | grep -v SNAPSHOT | sort -rV | head -n1
3.2.2
daniel@cube /tmp/test $
```
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