On Mon, Mar 17, 2014 at 5:17 AM, Philip Oakley <philipoak...@iee.org> wrote:
> A bike-shedding thought:
> Many inexperienced users do a 'git reset --hard' only to discover they have
> deleted something important and want it back. (e.g. git-users yesterday )
> One possible option is that Git could "stash" the current work-tree contents
> (git stash create) into a commit and store its commit_id in a suitable
> file/variable such as RESET_HARD_HEAD (or GIT_RESET_HARD_HEAD), similar to
> FETCH_HEAD & MERGE_HEAD, so that it would be relatively easy to recover the
> prior state.
A while back I started to implement "undo" function for "git add". I
think we could do the same here, when reset --hard is issued, store
current SHA-1 in index to an index extension, also hash overwritten
files in worktree and store it in the index extension as well. "reset
--undo" can bring it back. Experienced user can turn this off via
config variable, but it's default to on.
> By only storing the id in the file/env it would be overwritten on each
> usage, and the loose commits would be garbage collected eventually.
We have similar ideas, except I choose to store in the index instead.
> A suitable config variable would allow it to be enabled/disabled as
> appropriate to the user. (Perhaps enabled by default eventually?)
Yes. We could even bundle it to an advice.* knob. Experienced users
will usually turn the advice off (and this behavior will be gone as
> Given the prevalence of 'git reset --hard' within internet forum advice,
> would something like this be useful? It could even be wrapped into a GSoC
We could go further to provide "git undo" interface that covers other
areas as well, easier to discover than "reset --undo", but I'm not
sure how this interface should work..
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