$ git clone -n https://src.fedoraproject.org/rpms/allegro5.git /var/lib/mock/f31-build-52554-27687/root/chroot_tmpdir/scmroot/allegro5
Cloning into '/var/lib/mock/f31-build-52554-27687/root/chroot_tmpdir/scmroot/allegro5'...
$ git reset --hard 9840893961a897e45ee12c39d1985db71e07399b
HEAD is now at 9840893 Switch to upstream's version of the FTBFS fix