pub const S2C_GIT_REPO: u8 = 0xA0;Expand description
Open outcome: [0xA0][nonce:2][repo_id:2][status:1][oid_format:1][flags:1][workdir_len:2][workdir:N][gitdir_len:2][gitdir:N]
On failure repo_id = GIT_REPO_ID_INVALID and workdir carries a
diagnostic; on success both paths are canonical, escaped.