$ git clone -n https://src.fedoraproject.org/rpms/mint-y-icons.git /var/lib/mock/f41-build-1022446-18072/root/chroot_tmpdir/scmroot/mint-y-icons
Cloning into '/var/lib/mock/f41-build-1022446-18072/root/chroot_tmpdir/scmroot/mint-y-icons'...
$ git fetch origin 23ab4fdbea8a9c29dd007e3261dd23f586fe7543:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mint-y-icons
 * [new ref]         23ab4fdbea8a9c29dd007e3261dd23f586fe7543 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 23ab4fd Update to 1.7.6