pub const C2S_GIT_RESOLVE: u8 = 0xA6;Expand description
Resolve a revision spec to commit oids: [0xA6][nonce:2][repo_id:2][spec_len:2][spec:N]
spec is any git revision expression — a ref name, (short) oid,
HEAD~3, or a range A..B / A...B. The response gives tips/hides
ready to feed msg_git_log.