$ git clone -n https://src.fedoraproject.org/rpms/diffoscope.git /var/lib/mock/f41-build-3152101-40629/root/chroot_tmpdir/scmroot/diffoscope
Cloning into '/var/lib/mock/f41-build-3152101-40629/root/chroot_tmpdir/scmroot/diffoscope'...
$ git fetch origin 9fb3702ffd6746cdca619f45ef779c1eb159d9a8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/diffoscope
 * [new ref]         9fb3702ffd6746cdca619f45ef779c1eb159d9a8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9fb3702 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild