$ git clone -n https://src.fedoraproject.org/rpms/kf6-kcalendarcore.git /var/lib/mock/f41-build-823812-153805/root/chroot_tmpdir/scmroot/kf6-kcalendarcore
Cloning into '/var/lib/mock/f41-build-823812-153805/root/chroot_tmpdir/scmroot/kf6-kcalendarcore'...
$ git fetch origin 386cbd338031f0ee177c22f4b56bf80c803309c8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kcalendarcore
 * [new ref]         386cbd338031f0ee177c22f4b56bf80c803309c8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 386cbd3 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild