$ git clone -n https://src.fedoraproject.org/rpms/fgrun.git /var/lib/mock/f40-build-780407-130945/root/chroot_tmpdir/scmroot/fgrun
Cloning into '/var/lib/mock/f40-build-780407-130945/root/chroot_tmpdir/scmroot/fgrun'...
$ git fetch origin 7ee20c256b9f5bb0bd3e62c34b23c2784b772c6e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fgrun
 * [new ref]         7ee20c256b9f5bb0bd3e62c34b23c2784b772c6e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7ee20c2 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild