$ git clone -n https://src.fedoraproject.org/rpms/libxml++30.git /var/lib/mock/f37-build-640602-71541/root/chroot_tmpdir/scmroot/libxml++30
Cloning into '/var/lib/mock/f37-build-640602-71541/root/chroot_tmpdir/scmroot/libxml++30'...
$ git reset --hard 09c3d4c65bf7b4c7910d25aad4dd9e8dfea8f3bf
HEAD is now at 09c3d4c Update to 3.2.4