ref: ab174c473618dd3743881cf44e02c2db4d1ecd5f
dir: /ref/name/root_syntax.go/
package refname
// IsRootSyntax reports whether name matches Git's all-caps root-ref syntax.
func IsRootSyntax(name string) bool {
for i := range len(name) {
ch := name[i]
if (ch < 'A' || ch > 'Z') && ch != '-' && ch != '_' {
return false
}
}
return true
}