Confused about git state

[H. S. Teoh]

Not really specific to D, but since there are git experts here: recently
while trying to determine when a D bug was introduced, I checked out old
revisions of druntime/phobos (detached HEAD state). This morning, I ran
git pull on both repos with --ff-only, and now git insists that I'm
ahead of upstream/master by 67 commits, but I don't understand where
these commits are coming from, because git log shows everything is
up-to-date and all the hashes match.

So I'm confused about what git status means by "ahead of upstream/master
by 67 commits", because AFAIK I should be in sync? What's going on here?


T

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