$ git clone -n https://src.fedoraproject.org/rpms/kalarm.git /var/lib/mock/f41-build-850446-165391/root/chroot_tmpdir/scmroot/kalarm
Cloning into '/var/lib/mock/f41-build-850446-165391/root/chroot_tmpdir/scmroot/kalarm'...
$ git fetch origin b75987b1b7b6d20d86b65135298d2419d1590d55:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kalarm
 * [new ref]         b75987b1b7b6d20d86b65135298d2419d1590d55 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b75987b 24.08.0