$ git clone -n https://src.fedoraproject.org/rpms/kf6-breeze-icons.git /var/lib/mock/f42-build-side-1-3583519-46889/root/chroot_tmpdir/scmroot/kf6-breeze-icons
Cloning into '/var/lib/mock/f42-build-side-1-3583519-46889/root/chroot_tmpdir/scmroot/kf6-breeze-icons'...
$ git fetch origin 554192410ece859a5c7d334f247f9bc08315b8ec:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-breeze-icons
 * [new ref]         554192410ece859a5c7d334f247f9bc08315b8ec -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5541924 6.16.0