[[!comment format=mdwn
 username="https://me.yahoo.com/a/EbvxpTI_xP9Aod7Mg4cwGhgjrCrdM5s-#7c0f4"
 subject="comment 1"
 date="2015-05-14T16:17:08Z"
 content="""
since, if I got it right, I will be able to point to any treeish (or collection of those), I should be able to implement any strategy in mind (e.g. for upgrade drop all not referenced in master, or even its HEAD and HEAD^ to allow a quick roll back).  So sounds good to me -- thanks joey!
"""]]
