Feature:gemini enable p2p git-clone function

[wujian0327]

Now you can start a p2p network through gemini module:
For relay:

 cargo run --bin aries

For client, you should specify bootstrap_node

cargo run --bin mega service http --bootstrap-node 127.0.0.1:8001

In the p2p module of gemini, you can use some methods :

• gemini::p2p::client::run(context, bootstrap_node) to join a network
• gemini::p2p::client::request_git_clone(context, bootstrap_node, path, to_peer_id) to clone a repo from to_peer_id
• gemini::p2p::client::request_lfs(context, bootstrap_node, oid, to_peer_id) to download a lfs from to_peer_id

For example to clone a repo with lfs:

1. join the network:

cargo run --bin mega service http --bootstrap-node 47.74.41.94:8001

2. p2p clone repo:

curl localhost:8000/api/v1/mega/p2p/repo_fork?identifier=p2p://23G4CgqpxezqrFNXbWyF9ESzh68acrcJk2y3xYJRW6VgA/third-part/lfs_test.git

3. clone the repo to local disk

 git clone http://localhost:8000/third-part/lfs_test.git

Link：#841

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Name	Status	Preview	Comments	Updated (UTC)
mega	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Mar 19, 2025 6:57am

[Copilot]

Pull Request Overview

This PR introduces a P2P git-clone functionality in the gemini module and its integration in the gateway HTTP server. Key changes include:

• Updates to repository identifier utility functions and the addition of a new LFS pointer parser.
• Implementation of new P2P endpoints (repo_fork, repo_share, and peer_id) in the gateway API.
• Enhancements to the P2P relay code for handling multiple connection types and data transfers (including git clone and LFS).

Reviewed Changes

Copilot reviewed 12 out of 12 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
gemini/src/util.rs	Refactored identifier functions and added LFS pointer data parsing.
gemini/src/http/handler.rs	Introduced get_path_from_identifier and a corresponding test case.
gateway/src/api/p2p_router.rs	Added new P2P API endpoints for fork, share, and peer_id retrieval functions.
gemini/Cargo.toml	Added dependencies for futures util, tokio util, tokio stream, and tracing subscriber.
gemini/src/p2p/relay.rs	Updated relay connection handling with refined connection map usage and added git clone/LFS support.
gemini/src/p2p/mod.rs	Extended the P2P action enum and introduced new RequestData/ResponseData structures and headers.
gateway/src/https_server.rs	Integrated the new p2p_router and updated bootstrap logic for P2P network joining.
gateway/src/api/nostr_router.rs	Adjusted repo_path_to_identifier usage consistent with the latest signature changes.
jupiter/callisto/src/import_refs.rs & db_enums.rs	Added serde derives for improved serialization support in data models.

Comments suppressed due to low confidence (3)

gateway/src/api/p2p_router.rs:31

• [nitpick] Consider updating the error message to 'Identifier not provided' for better grammatical clarity.

String::from("Identifier not provide\n")

gateway/src/api/p2p_router.rs:58

• [nitpick] Consider updating the error message to 'bootstrap node not provided' to improve clarity and maintain consistency.

String::from("bootstrap node not provide\n")

gateway/src/api/p2p_router.rs:84

• [nitpick] Consider updating the error message to 'path not provided' for consistency and clarity.

return Err((StatusCode::BAD_REQUEST, String::from("path not provide\n")));