$ git clone -n https://github.com/xcp-ng-rpms/broadcom-bnxt-en.git /var/lib/mock/v8.3-incoming-8992-27901/root/chroot_tmpdir/scmroot/broadcom-bnxt-en
Cloning into '/var/lib/mock/v8.3-incoming-8992-27901/root/chroot_tmpdir/scmroot/broadcom-bnxt-en'...
$ git fetch origin 00d22431711c31a9d4d1fa9035e02dbbd0eff1ee:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/broadcom-bnxt-en
 * [new ref]         00d22431711c31a9d4d1fa9035e02dbbd0eff1ee -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 00d2243 Merge branch 'XS-8.3' into 8.3-rebase-XS-20250512