Quoth Jeff King <peff@xxxxxxxx> on Sat, 11 Mar 2023 09:55:13 -0500: > On Sat, Mar 11, 2023 at 10:47:40AM +0000, Sebastian Tennant wrote: > >> Here are the actions I'm taking to configure the mirror: >> >> $ git clone --bare https://url.of/project.git >> $ cd project.git >> $ git remote rename origin upstream >> $ git config remote.upstream.fetch\ >> '+refs/heads/*:refs/remotes/upstream/*' >> $ git fetch upstream --prune >> >> At this point there are no refs under refs/heads (and very many under >> refs/remotes/upstream). > > You'd have refs under refs/heads at this point. They were created > when you did the original bare clone (since bare clones fetch all > heads to start with, though they don't set up a refspec). I see the refs under refs/heads at last! My mistake was looking for them in the file system (instead of in file ‘packed-refs’). > And they won't be deleted by the pruning fetch, of course, because > you configured the refspec to limit itself to refs/remotes/upstream > on the local side. > > If you don't want them (and I think you don't), you can just initialize > the repository directly, and then fetch, like: > > git init --bare project.git > cd project.git > git config remote.upstream.url https://url.of/project.git > [and then configure refspec and fetch --prune as before] This is precisely the behaviour I've been wanting (and mistakenly expecting). >> Here are the actions I'm then taking on a client: >> >> $ git clone --bare mirror:path/to/project.git >> $ cd project.git >> $ git remote rename origin mirror >> $ git config remote.mirror.fetch\ >> '+refs/heads/*:refs/remotes/mirror/*' > > This bare clone will do the same thing. So you'll end up with a copy > of all of the heads created in the earlier step. Worse, they won't > be the current state of those branches, but stale ones left from > when you created the mirror repo. > > I think you want _two_ refspecs in the clients: > > - one to fetch the client-local branches stored on the mirror. That > is: > > +refs/heads/*:refs/remotes/origin/* > > and those branches just appear as normal. > > - one to fetch the mirrored upstream branches from the special > namespace on the mirror. That one is: > > +refs/remotes/upstream/*:refs/remotes/upstream/* Yup, this is what I want, and actually what I already have in place, configuration wise. The problem was in my partial understanding of the consequences of passing option --bare to ‘git clone’ (and in my not thinking to look in file ‘packed-refs’). Thanks again Jeff. Sebastian
