$ git clone -n https://src.fedoraproject.org/rpms/mbedtls.git /var/lib/mock/f37-build-676087-76068/root/chroot_tmpdir/scmroot/mbedtls
Cloning into '/var/lib/mock/f37-build-676087-76068/root/chroot_tmpdir/scmroot/mbedtls'...
$ git reset --hard 817d432422ebf9bab4dda39b4e70392566dced52
HEAD is now at 817d432 Update to 2.28.1