The consolidated gateway serves every bottle's repos under /git/<bottle_id>/
(slice 10), so each bottle's bare repos + per-repo credential config must be
provisioned into that namespace. This adds the renderer for that; placing
the creds + running it inside the gateway is the launch-wiring step.
- Extract the credential-wiring `init_repo` shell into a shared
`_git_gate_init_repo_fn(repo_root, creds_dir)` — one source for the
security-sensitive logic. The single-tenant daemon entrypoint is
byte-unchanged (still /git + /git-gate/creds; existing tests green).
- git_gate_render_provision(bottle_id, upstreams): posix-sh that inits ONE
bottle's bare repos under /git/<bottle_id>/ reading creds from
/git-gate/creds/<bottle_id>/. Init-only (no `git daemon` — the shared
gateway already serves). Isolating each bottle's repo root + creds dir by
id is what keeps one bottle's push credentials out of another's repos.
- bottle_id is embedded unquoted in the script, so it's restricted to a
shell/path-safe alphabet (registry ids are token_hex; defense in depth).
pyright 0 errors; pylint 9.83/10; unit suite green (1724 tests; the 13
test_sidecar_init /bin/sleep errors are pre-existing NixOS-local noise).
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01WBMWTEtQdJ4W5UrWuLHCck
didericis
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