On Thu, Mar 06, 2014 at 12:17:34PM -0500, Martin Langhoff wrote:
> I have a shell script that trims old history on a cronjob. This is for
> a repo that is used to track reports that have limited "life" (like
> logs). Old history is trimmed with grafts pointing to an empty "root"
> commit.
>
> Right now, info/graft grows unbound. I am looking for a way to trim
> unreachable grafts, I would like to be able to say something like:
>
> git is-reachable treeish
How about:
git rev-list --objects --all |
cut -d' ' -f1 |
grep $(git rev-parse treeish)
Add "--reflog" to the rev-list invocation if you want to catch things
referenced by the reflog, too.
If you're looking for a commit, you can drop the "--objects", and it
will run much faster.
-Peff
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