func newGerritRefResolver(c resolverConfig) (resolver, error) {
	res := &gerritRefResolver{
		cc: c.commonCUEResolver,
	}
	return res, nil
}
commitResolver resolves a "refs/changes/..." CL patchset reference to a
change from the CUE Gerrit server. The result is stored in the unity user
cache directory.
package cmd
import (
	"fmt"
	"strings"
)
type gerritRefResolver struct {
	cc *commonCUEResolver
}