On Tue, Jun 11, 2024 at 3:21 AM Jeff King <peff@xxxxxxxx> wrote: > > On Mon, Jun 10, 2024 at 02:25:19PM -0400, matthew sporleder wrote: > > > I have recently been playing with git clone --bundle-uri and loving it > > because I can clone with almost-*zero* resources being used on the > > server! > > > > I am a little confused by https://git-scm.com/docs/bundle-uri > > mentioning "discovery" and things. Is this something being added to > > the git cli, a special feature for other clients, or is it still too > > early-days to talk about much? > > > > I would love to produce bundles of common use cases and have them > > auto-discovered by git clone *without* the --bundle-uri parameter, and > > then let our CDN do the heavy lifting of satisfying things like: > > git clone > > git clone --depth=0 > > git clone --single-branch --branch main > > > > I'm not sure I hold out as much hope for pre-bundling pulls/updates > > but any movement towards offloading our big-ish repos to CDNs is a win > > for us. > > I don't think the server side is well documented, but peeking at the > code, I think you want this on the server: > > git config uploadpack.advertiseBundleURIs true > git config bundle.version 1 > git config bundle.mode any > git config bundle.foo.uri https://example.com/your.bundle > > And then the clients need to tell Git that they allow bundle transfers: > > git config --global transfer.bundleURI true > > I'm not sure if we'd eventually flip the client-side switch to "true" by > default (which is what you'd need for this to happen without any user > participation at all). > > One gotcha there is that clients are now accessing an arbitrary URL > provided by the server, so there are cross-site security implications. > It might make more sense to allow only relative URLs without ".." (so if > I fetched from https://example.com/foo.git, the server could use only > the relative "bundles/bar.bundle", which would then be found at > https://example.com/foo.git/bundles/bar.bundle";). > > -Peff It wasn't clear to me what the <id> (bundle.foo in your case) referred to. Where did 'foo' come from? Anyway if people are taking suggestions for UX I'll give my $0.02: git clone --try-bundle, with --bundle-uri overriding, to allow the client to ask the server for bundles that satisfy their request.
