$ git clone -n https://src.fedoraproject.org/rpms/kdecoration.git /var/lib/mock/f41-build-860456-168945/root/chroot_tmpdir/scmroot/kdecoration
Cloning into '/var/lib/mock/f41-build-860456-168945/root/chroot_tmpdir/scmroot/kdecoration'...
$ git fetch origin f37ecb443ba196d0d765fd9a4742322fc7589c28:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kdecoration
 * [new ref]         f37ecb443ba196d0d765fd9a4742322fc7589c28 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f37ecb4 6.2.2