$ git clone -n https://src.fedoraproject.org/rpms/nanopb.git /var/lib/mock/f40-build-740444-109672/root/chroot_tmpdir/scmroot/nanopb
Cloning into '/var/lib/mock/f40-build-740444-109672/root/chroot_tmpdir/scmroot/nanopb'...
$ git reset --hard c12864951b7c6bec1d25be49418df65e62fff324
HEAD is now at c128649 remove python2 related files