$ git clone -n https://github.com/xcp-ng-rpms/grub.git /var/lib/mock/v8.3-incoming-5463-8516/root/chroot_tmpdir/scmroot/grub
Cloning into '/var/lib/mock/v8.3-incoming-5463-8516/root/chroot_tmpdir/scmroot/grub'...
$ git reset --hard b5a7d9b27fa2b4b9daea52b873e94a3b436102dc
Downloading SOURCES/gnulib.tar.gz (6.6 MB)
Downloading SOURCES/grub-2.06.tar.gz (5.5 MB)
HEAD is now at b5a7d9b Merge branch 'XS-8.3'