$ git clone -n https://src.fedoraproject.org/rpms/memtest86+.git /var/lib/mock/f31-build-114884-34481/root/chroot_tmpdir/scmroot/memtest86+
Cloning into '/var/lib/mock/f31-build-114884-34481/root/chroot_tmpdir/scmroot/memtest86+'...
$ git reset --hard 3937500044ed6ce0b99f5461e42b175ed8fb260b
HEAD is now at 3937500 No more compat-gcc in rawhide, so switching to distro's gcc   Resolves: rhbz#1736106