# git check-ref-format > Check if a given refname is acceptable, and exit with a non-zero status if it is not. > More information: . - Check the format of the specified refname: `git check-ref-format {{refs/head/refname}}` - Print the name of the last branch checked out: `git check-ref-format --branch @{-1}` - Normalize a refname: `git check-ref-format --normalize {{refs/head/refname}}`