$ git clone -n https://src.fedoraproject.org/rpms/grub2.git /var/lib/mock/f38-build-712015-94146/root/chroot_tmpdir/scmroot/grub2
Cloning into '/var/lib/mock/f38-build-712015-94146/root/chroot_tmpdir/scmroot/grub2'...
$ git reset --hard dc5c4e3f52ab2a829168e81bd1e9eafced9b7c09
HEAD is now at dc5c4e3 Add switch-root support to grub-emu