* ps/refs-onbranch-fixes:
refs: protect against chicken-and-egg recursion
refs/reftable: lazy-load configuration to fix chicken-and-egg
reftable: split up write options
refs/files: lazy-load configuration to fix chicken-and-egg
refs: move parsing of "core.logAllRefUpdates" back into ref stores
repository: free main reference database
chdir-notify: drop unused `chdir_notify_reparent()`
refs: unregister reference stores from "chdir_notify"
setup: don't apply "GIT_REFERENCE_BACKEND" without a repository
setup: stop applying repository format twice
setup: inline `check_and_apply_repository_format()`
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