$ git clone -n https://src.fedoraproject.org/rpms/gnome-system-monitor.git /var/lib/mock/f40-build-795750-140317/root/chroot_tmpdir/scmroot/gnome-system-monitor
Cloning into '/var/lib/mock/f40-build-795750-140317/root/chroot_tmpdir/scmroot/gnome-system-monitor'...
$ git reset --hard b855a95899c37c3c51743b5b898b7a04c4d9586e
HEAD is now at b855a95 Update to 46.rc