$ git clone -n https://src.fedoraproject.org/rpms/pacrunner.git /var/lib/mock/f40-build-794920-139804/root/chroot_tmpdir/scmroot/pacrunner
Cloning into '/var/lib/mock/f40-build-794920-139804/root/chroot_tmpdir/scmroot/pacrunner'...
$ git fetch origin db1dc1fca8ea8b17d2626534d6094fe024d0fd5d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pacrunner
 * [new ref]         db1dc1fca8ea8b17d2626534d6094fe024d0fd5d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at db1dc1f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild