$ git clone -n https://github.com/xcp-ng-rpms/memtest86plus /var/lib/mock/v8.3-incoming-4820-5397/root/chroot_tmpdir/scmroot/memtest86plus
Cloning into '/var/lib/mock/v8.3-incoming-4820-5397/root/chroot_tmpdir/scmroot/memtest86plus'...
$ git reset --hard 4ab6e587ab8f2fa1ee284646437c0a6dd68a3b52
Downloading SOURCES/memtest86plus-6.20.tar.gz (232 KB)
HEAD is now at 4ab6e58 New upstream release 6.20