$ git clone -n https://src.fedoraproject.org/rpms/gnome-screenshot.git /var/lib/mock/f31-build-65379-29702/root/thebuilddir/tmp/scmroot/gnome-screenshot
Cloning into '/var/lib/mock/f31-build-65379-29702/root/thebuilddir/tmp/scmroot/gnome-screenshot'...
$ git reset --hard bb7de615cf181a0474e572156f3961d046f36b7f
HEAD is now at bb7de61 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild