Nguyễn Thái Ngọc Duy  <> writes:

> When a remote ref or a tag is checked out, HEAD is automatically
> detached. There is no user-friendly way to find out what ref is
> checked out in this case. This patch digs in reflog for this
> information and shows "HEAD detached from origin/master" or "HEAD
> detached at v1.8.0" instead of "currently not on any branch".
> When it cannot figure out the original ref, it shows an abbreviated
> SHA-1. "Currently not on any branch" would never display (unless
> reflog is pruned to near empty that the last checkout entry is lost).
> Signed-off-by: Nguyễn Thái Ngọc Duy <>
> ---

It does look like using the for_each_in_reverse() does make the
caller less error prone (by the way, I'd love to see people review,
poke holes and plug them in the implementation of reading the reflog
file in reverse; I am not sure if it covered all the corner cases

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