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Tags and Properties for Check-in 9594cf3bae

Context
2026-10-29
03:06
perf(wasm): add a libfossil_nohttp build tag that leaves out net/http

Under TinyGo, importing net/http at all links its TLS and X.509 code (crypto/x509, encoding/asn1, math/big's integers, AES-GCM, SHA-3, netip) whether or not a request is ever made: a five-line program that calls only http.StatusText grows by about 430 KB raw. The library imports it for its HTTP client transport and its HTTP server, which a program that serves sync through HandleSyncWithOpts and supplies its own transport never calls.

Built with -tags libfossil_nohttp, the library leaves out NewHTTPTransport, WithHTTPClient, Repo.Pull, Repo.XferHandler and Repo.ServeHTTP, and the internal/sync client, server, redirect handling and peer-address trace they use. HandleSync, HandleSyncWithOpts, Sync over a host Transport and everything else are unchanged. Without the tag nothing changes. The retry classifier keeps the two statuses it read from net/http as constants, and DNS fault classification moves to its own file so it stays in the tagged build.

For the html-artifact-publisher engine (TinyGo 0.43.0, Go 1.26.0) the tag takes the gzipped binary from 1,100,251 to 1,003,279 bytes. A test builds the library, db and simio with the tag for the host and js/wasm and checks none links net/http, net/http/httptrace or crypto/tls, and that the untagged library still does. check-in: 9594cf3bae user: [email protected] tags: main, trunk

03:06
feat(sync): return a receive-budget refusal to the host as *RefusedError

With HandleOpts.MaxStoredBytes set, a refused push rolls its request transaction back and replies with one error card. A host whose storage treats any rollback as an abort of the whole call (a Durable Object running the request in one transactionSync) discards that reply, so the client saw only "transaction rolled back".

HandleSyncWithOpts now returns the encoded reply together with a *RefusedError whose Message is the error card's text, matchable with errors.As. Such a host can report or render the refusal itself without parsing xfer; a host serving HTTP sends the reply as before. Only the budget refusal reports this way, so no released behaviour changes: the budget is unreleased and opt-in. check-in: dd7401ad01 user: [email protected] tags: main, trunk

2026-04-19
16:30
Initial open source release

libfossil is a pure-Go implementation of the Fossil SCM, reading and writing the same .fossil SQLite repository format as upstream Fossil.

This is the first public release of code that previously lived in a private repository. The module path is github.com/danmestas/libfossil and the binary is named libfossil to avoid $PATH collisions with upstream fossil.

Included: - Repo lifecycle (create, clone), checkout/checkin, timeline, merge, diff, annotate, shun, tag, branch, bisect, stash, undo/redo - Sync-over-HTTP protocol (client and handler) - Two SQLite drivers: modernc (pure Go, default) and ncruces (wasm-capable) - Observer interfaces (SyncObserver, CheckoutObserver) with an optional OpenTelemetry implementation in observer/otel (separate submodule) - Deterministic simulation testing harness with BUGGIFY fault injection - Kong-based embeddable CLI under cli/ and a standalone binary under cmd/libfossil/ check-in: f5744359d3 user: [email protected] tags: trunk