$ git clone -n https://src.fedoraproject.org/rpms/pinball.git /var/lib/mock/f42-build-side-1-3554986-46650/root/chroot_tmpdir/scmroot/pinball
Cloning into '/var/lib/mock/f42-build-side-1-3554986-46650/root/chroot_tmpdir/scmroot/pinball'...
$ git fetch origin 012618c8520177ed0a2faf14413c9b8bb13bf825:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pinball
 * [new ref]         012618c8520177ed0a2faf14413c9b8bb13bf825 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 012618c Patch for keyboard config