sha256:d6919a05c619cb895a4c800c1da758f3bf43e7c335670432a960a9b4f3230b47 · gabriel/musehub

remove repo_id from musehub_commit_graph — commits are globally content-addressed like snapshots

- Drop repo_id column + FK; PK is now just commit_id - Index on generation alone (was repo_id, generation) - ON CONFLICT DO NOTHING on commit_id handles all re-push idempotency - Phase 8b now covers existing_commit_ids too, so commits already in musehub_commits that never got a graph row are backfilled on next push - _walk_commit_delta no longer takes repo_id; fast path always active - Alembic migration 0061 to apply the schema change

symbols added

~11

symbols modified

dead code introduced

Semantic Changes 20 symbols

~ alembic/versions/0061_commit_graph_global.py .py 9 symbols added

+ branch_labels variable variable branch_labels L15–15

+ depends_on variable variable depends_on L16–16

+ down_revision variable variable down_revision L14–14

+ downgrade function function downgrade L28–48

+ annotations import import annotations L8–8

+ op import import op L11–11

+ sa import import sa L10–10

+ revision variable variable revision L13–13

+ upgrade function function upgrade L19–25

~ musehub/db/musehub_repo_models.py .py 1 symbol modified

~ MusehubCommitGraph

~ musehub/services/musehub_wire.py .py 6 symbols modified

~ _walk_commit_delta

~ process_bundle_index_job

~ wire_fetch_bundle

~ wire_fetch_presign

~ wire_push_stream

~ wire_push_unpack

~ tests/test_commit_graph_phase2.py .py 4 symbols modified

~ test_cg1_commit_graph_written_for_every_commit

~ test_cg2_generation_numbers_correct

~ test_cg3_walk_commit_delta_1000_commits_under_50ms

~ test_cg4_walk_commit_delta_correctness_with_have

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