$ git clone -n https://src.fedoraproject.org/rpms/golang-github-ulikunitz-xz.git /var/lib/mock/f31-build-99194-33130/root/chroot_tmpdir/scmroot/golang-github-ulikunitz-xz
Cloning into '/var/lib/mock/f31-build-99194-33130/root/chroot_tmpdir/scmroot/golang-github-ulikunitz-xz'...
$ git reset --hard 1e0eeee279533314eddfec387bb32e8c3379e36d
HEAD is now at 1e0eeee - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild