$ git clone -n https://gitee.com/pkm031/grub2.12.git /var/lib/mock/dist-an23-build-517130-75318/root/chroot_tmpdir/scmroot/grub2.12
Cloning into '/var/lib/mock/dist-an23-build-517130-75318/root/chroot_tmpdir/scmroot/grub2.12'...
$ git fetch origin 3afab9b1afc89cd3a9222a21bf8e40fb8c289586:KOJI_FETCH_HEAD
From https://gitee.com/pkm031/grub2.12
 * [new ref]         3afab9b1afc89cd3a9222a21bf8e40fb8c289586 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3afab9b Modify the incorrect patch path