$ git clone -n https://github.com/xcp-ng-rpms/emulex-lpfc.git /var/lib/mock/v8.3-incoming-11395-29707/root/chroot_tmpdir/scmroot/emulex-lpfc
Cloning into '/var/lib/mock/v8.3-incoming-11395-29707/root/chroot_tmpdir/scmroot/emulex-lpfc'...
$ git fetch origin 4f8c23391e45a2164c9f235a6dda72494330f32b:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/emulex-lpfc
 * [new ref]         4f8c23391e45a2164c9f235a6dda72494330f32b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4f8c233 Merge branch 'XS-8.3' for emulex-lpfc-14.4.393.31-1.xs8.src.rpm.