$ git clone -n https://src.fedoraproject.org/rpms/kf6-kirigami-addons.git /var/lib/mock/f41-build-side-1-3050542-37989/root/chroot_tmpdir/scmroot/kf6-kirigami-addons
Cloning into '/var/lib/mock/f41-build-side-1-3050542-37989/root/chroot_tmpdir/scmroot/kf6-kirigami-addons'...
$ git fetch origin b15217e0a84435d1bb22f0ddebbde1b5737d5559:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kirigami-addons
 * [new ref]         b15217e0a84435d1bb22f0ddebbde1b5737d5559 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b15217e Rebuild (qt6)