$ git clone -n https://github.com/xcp-ng-rpms/amd-microcode.git /var/lib/mock/v8.3-incoming-9817-28524/root/chroot_tmpdir/scmroot/amd-microcode
Cloning into '/var/lib/mock/v8.3-incoming-9817-28524/root/chroot_tmpdir/scmroot/amd-microcode'...
$ git fetch origin 51010ce04e236756a863efa44ca2d687dc13f83c:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/amd-microcode
 * [new ref]         51010ce04e236756a863efa44ca2d687dc13f83c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 51010ce Merge pull request #7 from xcp-ng-rpms/8.3-import_amd-microcode-20251203-1