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Marius CiepluchandClaude Opus 4.8
0023f61ff8
Git.materialize enumerated every object reachable from HEAD and tried to
`git fetch --no-filter` them by SHA. Git rejects that for real repos
("did not send all necessary objects" / "bad revision"), exiting 1 ->
InstrumentFailure(git_exit_1) that failed the whole repository. Measured
in a live draw: 326/670 attempts, ~49% of all failures, which froze the
accepted pool at 44/300. Reproduced on pallets/flask (26221 reachable,
9287 missing, fetch exit 1).
Git cannot batch-fetch arbitrary tree/blob objects by SHA, so remove
materialize and restore the original lazy path: the blob:none clone keeps
the commit graph and the introducing/blame/ordinary-history reads fetch
their blobs on demand through Git's promisor. The per-fix tolerant fetch
loop, the process-pool parallelism, the 25-with-zero-entries guard, the
per-repo deadline and resume are unchanged. Extraction content is
byte-identical (only the prefetch is gone).
217 unseen tests pass, ruff clean.
Co-Authored-By: Claude Opus 4.8 <[email protected]>