$ git clone -n https://gitee.com/liyuzhe_046/efi-rpm-macros.git /var/lib/mock/dist-an8.9-build-383790-71925/root/chroot_tmpdir/scmroot/efi-rpm-macros
Cloning into '/var/lib/mock/dist-an8.9-build-383790-71925/root/chroot_tmpdir/scmroot/efi-rpm-macros'...
$ git fetch origin 170b31d05afc630eb0b4f9a5aa8f662289e988c1:KOJI_FETCH_HEAD
From https://gitee.com/liyuzhe_046/efi-rpm-macros
 * [new ref]         170b31d05afc630eb0b4f9a5aa8f662289e988c1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 170b31d removed substitution of 'rhel' to 'redhat' in _efi_vendor_ macro definition.