$ git clone -n https://src.fedoraproject.org/rpms/iv.git /var/lib/mock/f40-build-798042-141652/root/chroot_tmpdir/scmroot/iv
Cloning into '/var/lib/mock/f40-build-798042-141652/root/chroot_tmpdir/scmroot/iv'...
$ git fetch origin 8d21e7975a1bcc1c420d23cca3d76c786e36d42f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/iv
 * [new ref]         8d21e7975a1bcc1c420d23cca3d76c786e36d42f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8d21e79 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild