$ git clone -n https://src.fedoraproject.org/rpms/kdenetwork-filesharing.git /var/lib/mock/f42-build-3279363-41337/root/chroot_tmpdir/scmroot/kdenetwork-filesharing
Cloning into '/var/lib/mock/f42-build-3279363-41337/root/chroot_tmpdir/scmroot/kdenetwork-filesharing'...
$ git fetch origin 1e50e154612e048ba2e016a50761b1312c0e5f66:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kdenetwork-filesharing
 * [new ref]         1e50e154612e048ba2e016a50761b1312c0e5f66 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1e50e15 Rebuild for ppc64le enablement