$ git clone -n https://src.fedoraproject.org/rpms/diffpdf.git /var/lib/mock/f41-build-827907-155517/root/chroot_tmpdir/scmroot/diffpdf
Cloning into '/var/lib/mock/f41-build-827907-155517/root/chroot_tmpdir/scmroot/diffpdf'...
$ git fetch origin 3b975857bd4d016194245a13c2a4b4252a53b22e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/diffpdf
 * [new ref]         3b975857bd4d016194245a13c2a4b4252a53b22e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3b97585 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild