$ git clone -n https://src.fedoraproject.org/rpms/python-dulwich.git /var/lib/mock/f38-build-683031-79131/root/chroot_tmpdir/scmroot/python-dulwich
Cloning into '/var/lib/mock/f38-build-683031-79131/root/chroot_tmpdir/scmroot/python-dulwich'...
$ git reset --hard da121337ee399ecefd881885a12a83e937dbbd95
HEAD is now at da12133 Upgrade to latest upstream release 0.21.2 (closes rhbz#2138585)