$ git clone -n https://src.fedoraproject.org/rpms/khal.git /var/lib/mock/f40-build-2510576-61706/root/chroot_tmpdir/scmroot/khal
Cloning into '/var/lib/mock/f40-build-2510576-61706/root/chroot_tmpdir/scmroot/khal'...
$ git fetch origin da0ac5ada0ef9132763ec7b0d7feed69c3afdcc5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/khal
 * [new ref]         da0ac5ada0ef9132763ec7b0d7feed69c3afdcc5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at da0ac5a Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild