Module validate 

Input validation shared by CLI-facing entry points: git refs, root paths, and control-character rejection.

Functions

validate_git_ref

Validate a user-supplied git ref before it reaches a git subprocess: rejects empty refs, option-like refs starting with -, and characters outside the ref-syntax allowlist.

validate_no_control_chars

Reject strings containing control characters (bytes < 0x20) except newline (0x0A) and tab (0x09). This prevents agents from accidentally passing invisible characters in CLI arguments.

validate_root

Canonicalize a project root and require it to be an existing directory.