$ git clone -n https://src.fedoraproject.org/rpms/gnome-terminal.git /var/lib/mock/f40-build-2185221-51289/root/chroot_tmpdir/scmroot/gnome-terminal
Cloning into '/var/lib/mock/f40-build-2185221-51289/root/chroot_tmpdir/scmroot/gnome-terminal'...
$ git fetch origin 3ce2722532b31f2cf348745df07012c0f8c21d28:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnome-terminal
 * [new ref]         3ce2722532b31f2cf348745df07012c0f8c21d28 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3ce2722 Update to 3.50.1 (#2247910)