$ git clone -n https://src.fedoraproject.org/rpms/calendarsupport.git /var/lib/mock/f42-build-3401445-45130/root/chroot_tmpdir/scmroot/calendarsupport
Cloning into '/var/lib/mock/f42-build-3401445-45130/root/chroot_tmpdir/scmroot/calendarsupport'...
$ git fetch origin 9375c334121808f19d2b6f08908bc0931f188777:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/calendarsupport
 * [new ref]         9375c334121808f19d2b6f08908bc0931f188777 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9375c33 24.12.3