On 12/01/2014 12:39 PM, Junio C Hamano wrote:
Sorry, what is a hic? If this were an existing feature like git-new-workdir, even though it is from contrib, making it impossible to do something that used to be possible, even if that something is what mere mortals would never want to to to avoid risking confusion, would be a regression that needs an escape hatch. But this is a new feature. I am not sure why you need to make this overridable in the first place. Those who want to have multiple checkouts of the same commit can just detach HEAD at the same commit in multiple working trees, as the first thing they need to do would be to run "git reset --hard $branch" to synchronize the HEAD and the working tree state to work in the other out-of-sync repositories either case anyway.
Yes, detached HEADS allow multiple checkouts, but now the user needs another system to record what $branch was for each checked out tree or needs to resort to forensics using various git-branch / git-log invocations to find the most-likely value. So, I do not find detached HEADS useful in general, and specifically not for this case. Duy's latest addition ('--ignore-other-worktrees') would, so far as I see, allow this feature to replace git-new-workdir in my uses, but without the addition it cannot.
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