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+# git check-ref-format
+
+> Checks if a given refname is acceptable, and exits with a non-zero status if it is not.
+> More information: <https://git-scm.com/docs/git-check-ref-format>.
+
+- 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}}`