$ git clone -n https://src.fedoraproject.org/rpms/golang-github-jcmturner-gokrb5.git /var/lib/mock/f40-build-2386359-60496/root/chroot_tmpdir/scmroot/golang-github-jcmturner-gokrb5
fatal: could not create work tree dir '/var/lib/mock/f40-build-2386359-60496/root/chroot_tmpdir/scmroot/golang-github-jcmturner-gokrb5': Read-only file system