$ git clone -n https://github.com/xcp-ng-rpms/emulex-lpfc.git /var/lib/mock/v8.3-incoming-11353-29665/root/chroot_tmpdir/scmroot/emulex-lpfc
Cloning into '/var/lib/mock/v8.3-incoming-11353-29665/root/chroot_tmpdir/scmroot/emulex-lpfc'...
$ git fetch origin 5446258741e8489cbc49cb8d6da2e8af1b32c4dc:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/emulex-lpfc
 * [new ref]         5446258741e8489cbc49cb8d6da2e8af1b32c4dc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5446258 Merge branch 'XS-8.3' for emulex-lpfc-14.4.393.31-1.xs8.src.rpm.