$ git clone -n https://src.fedoraproject.org/rpms/golang-x-mobile.git /var/lib/mock/f31-build-103141-33604/root/chroot_tmpdir/scmroot/golang-x-mobile
Cloning into '/var/lib/mock/f31-build-103141-33604/root/chroot_tmpdir/scmroot/golang-x-mobile'...
$ git reset --hard 2946e00988c669c6468de4800c19c37e9f92b855
HEAD is now at 2946e00 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild