$ git clone -n https://src.fedoraproject.org/rpms/libpng.git /var/lib/mock/f41-build-824498-154118/root/chroot_tmpdir/scmroot/libpng
Cloning into '/var/lib/mock/f41-build-824498-154118/root/chroot_tmpdir/scmroot/libpng'...
$ git fetch origin fde96be2f40909b2eaae9111e40e9107db8e7ee1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libpng
 * [new ref]         fde96be2f40909b2eaae9111e40e9107db8e7ee1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fde96be Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild