$ git clone -n https://git.cclinux.org/stage/rpms/grub2.git /mnt/compose/mock/dist-circle8-build-99782-48624/root/chroot_tmpdir/scmroot/grub2
Cloning into '/mnt/compose/mock/dist-circle8-build-99782-48624/root/chroot_tmpdir/scmroot/grub2'...
$ git fetch origin 55d214047e469fa72fb17b33caa3d44eaa710fd2:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/grub2
 * [new ref]         55d214047e469fa72fb17b33caa3d44eaa710fd2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 55d2140 import grub2-2.02-148.el8