$ git clone -n https://src.fedoraproject.org/rpms/iir1.git /var/lib/mock/f40-build-796765-140845/root/chroot_tmpdir/scmroot/iir1
Cloning into '/var/lib/mock/f40-build-796765-140845/root/chroot_tmpdir/scmroot/iir1'...
$ git fetch origin 837143dd0706057bbdfc81ee04c93c1541928a9d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/iir1
 * [new ref]         837143dd0706057bbdfc81ee04c93c1541928a9d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 837143d Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild