ARTIFACTS.md: R8 (shallow sandbox clones) is built
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| 363 | 363 | | R9 | Built | `log(branch)`, `branches()` and `read_file(ref, path)` are kept in the colo cache under the repository's `refs_version` (5 minutes at most, and only while `refs_cache::usable`), and by commit hash for good; a log by branch also fills the by-hash entry; `readCommit` (parents) is kept for good. Read RPCs open repositories through `read_git`, which sets the version. | | |
| 364 | 364 | | R10 | Built in repos; work unchanged | `divergence` works out the target's side once per target head per isolate (`coalesce.rs`: the head under the refs version, then the history by hash, kept 60 s), and what the target changed between two trees once per pair (10 minutes). `readCommit` and logs by hash come from the cache. Work's fan-out (`after_push`, up to 100 pull requests) is unchanged: its 100 `divergence` calls now cost one walk of the target instead of 100. | | |
| 365 | 365 | | R7 | Groundwork | `shards.rs`: bindings named in `ARTIFACTS_NAMESPACES` (JSON, binding → namespace; `ARTIFACTS` → `g1t` always there), a repository's namespace kept in its `store` column as `<namespace>/<key>` (no prefix means the `ARTIFACTS` namespace, so every existing key reads the same), new repositories placed by `ARTIFACTS_NEW_REPOS` (comma-separated, spread by an FNV hash of the repository id; names not bound are skipped), forks always in their repository's namespace, `ARTIFACTS_EU_NAMESPACE` reserved for EU residency (no workspace setting yet). Works with only `ARTIFACTS` bound, as today. | | |
| 366 | − | | R8 | Not touched | Sandbox clone depth belongs to the runner work (`crates/runner`). | | |
| 366 | + | | R8 | Built | `crates/runner/src/clone.rs`: every sandbox clones at `--depth=1` (a full g1t clone took 5.4 s, depth 1 took 3.8 s). Work that merges (catch-up, the merge queue, merge checks, a review's diff) deepens 50, 500, then 5000 commits until the two sides share one, and fetches everything only as the last resort (`share_history`). `G1T_CLONE_DEPTH` (0 or `full` for everything) and `G1T_CLONE_FILTER=blob:none` change it per runner. | | |
| 367 | 367 | ||
| 368 | 368 | ### R1: reading `scripts/ops/artifacts-usage.mjs` | |
| 369 | 369 |