$ git clone -n https://src.fedoraproject.org/rpms/sdl2-compat.git /var/lib/mock/f42-build-side-1-3573380-46767/root/chroot_tmpdir/scmroot/sdl2-compat
Cloning into '/var/lib/mock/f42-build-side-1-3573380-46767/root/chroot_tmpdir/scmroot/sdl2-compat'...
$ git fetch origin dbd2b9f699ebb3449918094d15bb294a2e013b2d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sdl2-compat
 * [new ref]         dbd2b9f699ebb3449918094d15bb294a2e013b2d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dbd2b9f Update to 2.32.56