$ git clone -n https://src.fedoraproject.org/rpms/gnome-system-log.git /var/lib/mock/f40-build-791635-137676/root/chroot_tmpdir/scmroot/gnome-system-log
Cloning into '/var/lib/mock/f40-build-791635-137676/root/chroot_tmpdir/scmroot/gnome-system-log'...
$ git fetch origin 56436bfc75ea3c980f4be06415305acbb97008fa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnome-system-log
 * [new ref]         56436bfc75ea3c980f4be06415305acbb97008fa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 56436bf Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild